Module: Homebrew

Extended by:
Context, DependenciesHelpers, FileUtils, Fetch, Install, Search
Defined in:
Library/Homebrew/help.rb,
Library/Homebrew/fetch.rb,
Library/Homebrew/style.rb,
Library/Homebrew/utils.rb,
Library/Homebrew/global.rb,
Library/Homebrew/search.rb,
Library/Homebrew/cleanup.rb,
Library/Homebrew/cmd/log.rb,
Library/Homebrew/cmd/pin.rb,
Library/Homebrew/cmd/tap.rb,
Library/Homebrew/install.rb,
Library/Homebrew/upgrade.rb,
Library/Homebrew/cli/args.rb,
Library/Homebrew/cmd/cask.rb,
Library/Homebrew/cmd/deps.rb,
Library/Homebrew/cmd/desc.rb,
Library/Homebrew/cmd/help.rb,
Library/Homebrew/cmd/home.rb,
Library/Homebrew/cmd/info.rb,
Library/Homebrew/cmd/link.rb,
Library/Homebrew/cmd/list.rb,
Library/Homebrew/cmd/uses.rb,
Library/Homebrew/cmd/--env.rb,
Library/Homebrew/cmd/fetch.rb,
Library/Homebrew/cmd/unpin.rb,
Library/Homebrew/cmd/untap.rb,
Library/Homebrew/reinstall.rb,
Library/Homebrew/cli/parser.rb,
Library/Homebrew/cmd/config.rb,
Library/Homebrew/cmd/doctor.rb,
Library/Homebrew/cmd/leaves.rb,
Library/Homebrew/cmd/search.rb,
Library/Homebrew/cmd/switch.rb,
Library/Homebrew/cmd/unlink.rb,
Library/Homebrew/dev-cmd/sh.rb,
Library/Homebrew/diagnostic.rb,
Library/Homebrew/env_config.rb,
Library/Homebrew/utils/gems.rb,
Library/Homebrew/cmd/--cache.rb,
Library/Homebrew/cmd/cleanup.rb,
Library/Homebrew/cmd/install.rb,
Library/Homebrew/cmd/migrate.rb,
Library/Homebrew/cmd/missing.rb,
Library/Homebrew/cmd/options.rb,
Library/Homebrew/cmd/readall.rb,
Library/Homebrew/cmd/upgrade.rb,
Library/Homebrew/dev-cmd/cat.rb,
Library/Homebrew/dev-cmd/diy.rb,
Library/Homebrew/dev-cmd/irb.rb,
Library/Homebrew/dev-cmd/man.rb,
Library/Homebrew/cmd/--cellar.rb,
Library/Homebrew/cmd/--prefix.rb,
Library/Homebrew/cmd/commands.rb,
Library/Homebrew/cmd/outdated.rb,
Library/Homebrew/cmd/tap-info.rb,
Library/Homebrew/dev-cmd/bump.rb,
Library/Homebrew/dev-cmd/edit.rb,
Library/Homebrew/dev-cmd/prof.rb,
Library/Homebrew/dev-cmd/pull.rb,
Library/Homebrew/dev-cmd/ruby.rb,
Library/Homebrew/dev-cmd/test.rb,
Library/Homebrew/cmd/--version.rb,
Library/Homebrew/cmd/analytics.rb,
Library/Homebrew/cmd/gist-logs.rb,
Library/Homebrew/cmd/reinstall.rb,
Library/Homebrew/cmd/uninstall.rb,
Library/Homebrew/dev-cmd/audit.rb,
Library/Homebrew/dev-cmd/style.rb,
Library/Homebrew/dev-cmd/tests.rb,
Library/Homebrew/cli/named_args.rb,
Library/Homebrew/cmd/--caskroom.rb,
Library/Homebrew/dev-cmd/bottle.rb,
Library/Homebrew/dev-cmd/create.rb,
Library/Homebrew/dev-cmd/mirror.rb,
Library/Homebrew/dev-cmd/unpack.rb,
Library/Homebrew/cmd/postinstall.rb,
Library/Homebrew/dev-cmd/command.rb,
Library/Homebrew/dev-cmd/extract.rb,
Library/Homebrew/dev-cmd/formula.rb,
Library/Homebrew/dev-cmd/linkage.rb,
Library/Homebrew/dev-cmd/pr-pull.rb,
Library/Homebrew/dev-cmd/tap-new.rb,
Library/Homebrew/formula_creator.rb,
Library/Homebrew/missing_formula.rb,
Library/Homebrew/os/linux/global.rb,
Library/Homebrew/cmd/--repository.rb,
Library/Homebrew/dev-cmd/sponsors.rb,
Library/Homebrew/cmd/update-report.rb,
Library/Homebrew/dev-cmd/pr-upload.rb,
Library/Homebrew/dev-cmd/typecheck.rb,
Library/Homebrew/formula_free_port.rb,
Library/Homebrew/dev-cmd/pr-publish.rb,
Library/Homebrew/formula_assertions.rb,
Library/Homebrew/dev-cmd/update-test.rb,
Library/Homebrew/dev-cmd/vendor-gems.rb,
Library/Homebrew/dev-cmd/pr-automerge.rb,
Library/Homebrew/extend/os/mac/search.rb,
Library/Homebrew/dev-cmd/bump-revision.rb,
Library/Homebrew/dev-cmd/release-notes.rb,
Library/Homebrew/dev-cmd/bump-formula-pr.rb,
Library/Homebrew/extend/os/linux/install.rb,
Library/Homebrew/extend/os/mac/diagnostic.rb,
Library/Homebrew/extend/os/linux/diagnostic.rb,
Library/Homebrew/dev-cmd/update-license-data.rb,
Library/Homebrew/dev-cmd/install-bundler-gems.rb,
Library/Homebrew/extend/os/mac/missing_formula.rb,
Library/Homebrew/dev-cmd/update-python-resources.rb

Defined Under Namespace

Modules: Assertions, CLI, Diagnostic, EnvConfig, Fetch, FreePort, Help, Install, MissingFormula, Search, Style, Upgrade Classes: Cleanup, DependentsMessage, DeveloperDependentsMessage, FormulaAuditor, FormulaCreator, FormulaText, NondeveloperDependentsMessage, PatchPuller, ResourceAuditor

Constant Summary collapse

DEFAULT_CELLAR =
"#{DEFAULT_PREFIX}/Cellar"
DEFAULT_REPOSITORY =
"#{DEFAULT_PREFIX}/Homebrew"
VALID_DAYS =
%w[30 90 365].freeze
VALID_FORMULA_CATEGORIES =
%w[install install-on-request build-error].freeze
VALID_CATEGORIES =
(VALID_FORMULA_CATEGORIES + %w[cask-install os-version]).freeze
UNBREWED_EXCLUDE_FILES =
%w[.DS_Store].freeze
UNBREWED_EXCLUDE_PATHS =
%w[
  .github/*
  bin/brew
  completions/zsh/_brew
  docs/*
  lib/gdk-pixbuf-2.0/*
  lib/gio/*
  lib/node_modules/*
  lib/python[23].[0-9]/*
  lib/pypy/*
  lib/pypy3/*
  lib/ruby/gems/[12].*
  lib/ruby/site_ruby/[12].*
  lib/ruby/vendor_ruby/[12].*
  manpages/brew.1
  share/pypy/*
  share/pypy3/*
  share/info/dir
  share/man/whatis
].freeze
PACKAGE_MANAGERS =
{
  macports: ->(query) { "https://www.macports.org/ports.php?by=name&substr=#{query}" },
  fink:     ->(query) { "http://pdb.finkproject.org/pdb/browse.php?summary=#{query}" },
  opensuse: ->(query) { "https://software.opensuse.org/search?q=#{query}" },
  fedora:   ->(query) { "https://apps.fedoraproject.org/packages/s/#{query}" },
  debian:   lambda { |query|
    "https://packages.debian.org/search?keywords=#{query}&searchon=names&suite=all&section=all"
  },
  ubuntu:   lambda { |query|
    "https://packages.ubuntu.com/search?keywords=#{query}&searchon=names&suite=all&section=all"
  },
}.freeze
HOMEBREW_BUNDLER_VERSION =

Keep in sync with the Gemfile.lock's BUNDLED WITH.

"1.17.2"
SOURCE_PATH =
(HOMEBREW_LIBRARY_PATH/"manpages").freeze
TARGET_MAN_PATH =
(HOMEBREW_REPOSITORY/"manpages").freeze
TARGET_DOC_PATH =
(HOMEBREW_REPOSITORY/"docs").freeze

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Install

generic_perform_preinstall_checks, perform_build_from_source_checks, perform_preinstall_checks

Methods included from Fetch

fetch_bottle?

Methods included from Search

query_regexp, search_casks, search_descriptions, search_formulae, search_taps

Methods included from DependenciesHelpers

args_includes_ignores, dependents, recursive_includes, reject_ignores

Methods included from Context

current, current=, debug?, quiet?, with_context

Class Attribute Details

.argsObject


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# File 'Library/Homebrew/global.rb', line 91

def args
  @args ||= CLI::Args.new
end

.auditing=(value) ⇒ Object (writeonly)

Sets the attribute auditing

Parameters:

  • value

    the value to set the attribute auditing to.


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# File 'Library/Homebrew/global.rb', line 80

def auditing=(value)
  @auditing = value
end

.failed=(value) ⇒ Object (writeonly)

Sets the attribute failed

Parameters:

  • value

    the value to set the attribute failed to.


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# File 'Library/Homebrew/global.rb', line 80

def failed=(value)
  @failed = value
end

.raise_deprecation_exceptions=(value) ⇒ Object (writeonly)

Sets the attribute raise_deprecation_exceptions

Parameters:

  • value

    the value to set the attribute raise_deprecation_exceptions to.


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# File 'Library/Homebrew/global.rb', line 80

def raise_deprecation_exceptions=(value)
  @raise_deprecation_exceptions = value
end

Class Method Details

.__cacheObject


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# File 'Library/Homebrew/cmd/--cache.rb', line 34

def __cache
  args = __cache_args.parse

  if args.no_named?
    puts HOMEBREW_CACHE
    return
  end

  formulae_or_casks = if args.formula?
    args.named.to_formulae
  elsif args.cask?
    args.named.to_casks
  else
    args.named.to_formulae_and_casks
  end

  formulae_or_casks.each do |formula_or_cask|
    if formula_or_cask.is_a? Formula
      print_formula_cache formula_or_cask, args: args
    else
      print_cask_cache formula_or_cask
    end
  end
end

.__cache_argsObject


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# File 'Library/Homebrew/cmd/--cache.rb', line 12

def __cache_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--cache` [<options>] [<formula|cask>]

      Display Homebrew's download cache. See also `HOMEBREW_CACHE`.

      If <formula> is provided, display the file or directory used to cache <formula>.
    EOS
    switch "-s", "--build-from-source",
           description: "Show the cache file used when building from source."
    switch "--force-bottle",
           description: "Show the cache file used when pouring a bottle."
    switch "--formula",
           description: "Only show cache files for formulae."
    switch "--cask",
           description: "Only show cache files for casks."
    conflicts "--build-from-source", "--force-bottle"
    conflicts "--formula", "--cask"
  end
end

.__caskroomObject


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# File 'Library/Homebrew/cmd/--caskroom.rb', line 19

def __caskroom
  args = __caskroom_args.parse

  if args.named.to_casks.blank?
    puts Cask::Caskroom.path
  else
    args.named.to_casks.each do |cask|
      puts "#{Cask::Caskroom.path}/#{cask.token}"
    end
  end
end

.__caskroom_argsObject


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# File 'Library/Homebrew/cmd/--caskroom.rb', line 6

def __caskroom_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--caskroom` [<cask>]

      Display Homebrew's Caskroom path.

      If <cask> is provided, display the location in the Caskroom where <cask>
      would be installed, without any sort of versioned directory as the last path.
    EOS
  end
end

.__cellarObject


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# File 'Library/Homebrew/cmd/--cellar.rb', line 22

def __cellar
  args = __cellar_args.parse

  if args.no_named?
    puts HOMEBREW_CELLAR
  else
    puts args.named.to_resolved_formulae.map(&:rack)
  end
end

.__cellar_argsObject


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# File 'Library/Homebrew/cmd/--cellar.rb', line 8

def __cellar_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--cellar` [<formula>]

      Display Homebrew's Cellar path. *Default:* `$(brew --prefix)/Cellar`, or if
      that directory doesn't exist, `$(brew --repository)/Cellar`.

      If <formula> is provided, display the location in the Cellar where <formula>
      would be installed, without any sort of versioned directory as the last path.
    EOS
  end
end

.__envObject


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# File 'Library/Homebrew/cmd/--env.rb', line 29

def __env
  args = __env_args.parse

  ENV.activate_extensions!(env: args.env)
  ENV.deps = args.named.to_formulae if superenv?(args.env)
  ENV.setup_build_environment

  shell = if args.plain?
    nil
  elsif args.shell.nil?
    :bash unless $stdout.tty?
  elsif args.shell == "auto"
    Utils::Shell.parent || Utils::Shell.preferred
  elsif args.shell
    Utils::Shell.from_path(args.shell)
  end

  env_keys = BuildEnvironment.keys(ENV)
  if shell.nil?
    BuildEnvironment.dump ENV
  else
    env_keys.each do |key|
      puts Utils::Shell.export_value(key, ENV[key], shell)
    end
  end
end

.__env_argsObject


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# File 'Library/Homebrew/cmd/--env.rb', line 11

def __env_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--env` [<options>] [<formula>]

      Summarise Homebrew's build environment as a plain list.

      If the command's output is sent through a pipe and no shell is specified,
      the list is formatted for export to `bash`(1) unless `--plain` is passed.
    EOS
    flag   "--shell=",
           description: "Generate a list of environment variables for the specified shell, " \
                        "or `--shell=auto` to detect the current shell."
    switch "--plain",
           description: "Generate plain output even when piped."
  end
end

.__getsObject


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# File 'Library/Homebrew/dev-cmd/create.rb', line 146

def __gets
  gots = $stdin.gets.chomp
  gots.empty? ? nil : gots
end

.__prefixObject


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# File 'Library/Homebrew/cmd/--prefix.rb', line 22

def __prefix
  args = __prefix_args.parse

  if args.no_named?
    puts HOMEBREW_PREFIX
  else
    puts args.named.to_resolved_formulae.map { |f|
      f.opt_prefix.exist? ? f.opt_prefix : f.installed_prefix
    }
  end
end

.__prefix_argsObject


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# File 'Library/Homebrew/cmd/--prefix.rb', line 8

def __prefix_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--prefix` [<formula>]

      Display Homebrew's install path. *Default:* `/usr/local` on macOS and
      `/home/linuxbrew/.linuxbrew` on Linux.

      If <formula> is provided, display the location in the Cellar where <formula>
      is or would be installed.
    EOS
  end
end

.__repositoryObject


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# File 'Library/Homebrew/cmd/--repository.rb', line 20

def __repository
  args = __repository_args.parse

  if args.no_named?
    puts HOMEBREW_REPOSITORY
  else
    puts args.named.map { |tap| Tap.fetch(tap).path }
  end
end

.__repository_argsObject


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# File 'Library/Homebrew/cmd/--repository.rb', line 8

def __repository_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--repository`, `--repo` [<user>`/`<repo>]

      Display where Homebrew's `.git` directory is located.

      If <user>`/`<repo> are provided, display where tap <user>`/`<repo>'s directory is located.
    EOS
  end
end

.__versionObject


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# File 'Library/Homebrew/cmd/--version.rb', line 20

def __version
  __version_args.parse

  puts "Homebrew #{HOMEBREW_VERSION}"
  puts "#{CoreTap.instance.full_name} #{CoreTap.instance.version_string}"
  puts "#{Tap.default_cask_tap.full_name} #{Tap.default_cask_tap.version_string}" if Tap.default_cask_tap.installed?
end

.__version_argsObject


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# File 'Library/Homebrew/cmd/--version.rb', line 8

def __version_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `--version`

      Print the version numbers of Homebrew, Homebrew/homebrew-core and Homebrew/homebrew-cask
      (if tapped) to standard output.
    EOS
    max_named 0
  end
end

._system(cmd, *args, **options) ⇒ Object


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# File 'Library/Homebrew/utils.rb', line 25

def _system(cmd, *args, **options)
  pid = fork do
    yield if block_given?
    args.map!(&:to_s)
    begin
      exec(cmd, *args, **options)
    rescue
      nil
    end
    exit! 1 # never gets here unless exec failed
  end
  Process.wait(pid)
  $CHILD_STATUS.success?
end

.alias_update_pair(formula, new_formula_version) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 477

def alias_update_pair(formula, new_formula_version)
  versioned_alias = formula.aliases.grep(/^.*@\d+(\.\d+)?$/).first
  return if versioned_alias.nil?

  name, old_alias_version = versioned_alias.split("@")
  new_alias_regex = (old_alias_version.split(".").length == 1) ? /^\d+/ : /^\d+\.\d+/
  new_alias_version, = *new_formula_version.to_s.match(new_alias_regex)
  return if Version.create(new_alias_version) <= Version.create(old_alias_version)

  [versioned_alias, "#{name}@#{new_alias_version}"]
end

.analyticsObject


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# File 'Library/Homebrew/cmd/analytics.rb', line 29

def analytics
  args = analytics_args.parse

  case args.named.first
  when nil, "state"
    if Utils::Analytics.disabled?
      puts "Analytics are disabled."
    else
      puts "Analytics are enabled."
      puts "UUID: #{Utils::Analytics.uuid}" if Utils::Analytics.uuid.present?
    end
  when "on"
    Utils::Analytics.enable!
  when "off"
    Utils::Analytics.disable!
  when "regenerate-uuid"
    Utils::Analytics.regenerate_uuid!
  else
    raise UsageError, "unknown subcommand: #{args.named.first}"
  end
end

.analytics_argsObject


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# File 'Library/Homebrew/cmd/analytics.rb', line 8

def analytics_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `analytics` [<subcommand>]

      Control Homebrew's anonymous aggregate user behaviour analytics.
      Read more at <https://docs.brew.sh/Analytics>.

      `brew analytics` [`state`]:
      Display the current state of Homebrew's analytics.

      `brew analytics` [`on`|`off`]:
      Turn Homebrew's analytics on or off respectively.

      `brew analytics regenerate-uuid`:
      Regenerate the UUID used for Homebrew's analytics.
    EOS
    max_named 1
  end
end

.auditObject


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# File 'Library/Homebrew/dev-cmd/audit.rb', line 77

def audit
  args = audit_args.parse

  Homebrew.auditing = true
  inject_dump_stats!(FormulaAuditor, /^audit_/) if args.audit_debug?

  formula_count = 0
  problem_count = 0
  corrected_problem_count = 0
  new_formula_problem_count = 0
  new_formula = args.new_formula?
  strict = new_formula || args.strict?
  online = new_formula || args.online?
  git = args.git?
  skip_style = args.skip_style? || args.no_named? || args.tap

  ENV.activate_extensions!
  ENV.setup_build_environment

  audit_formulae = if args.tap
    Tap.fetch(args.tap).formula_names.map { |name| Formula[name] }
  elsif args.no_named?
    Formula
  else
    args.named.to_resolved_formulae
  end
  style_files = args.named.to_formulae_paths unless skip_style

  only_cops = args.only_cops
  except_cops = args.except_cops
  options = { fix: args.fix?, debug: args.debug?, verbose: args.verbose? }

  if only_cops
    options[:only_cops] = only_cops
  elsif args.new_formula?
    nil
  elsif except_cops
    options[:except_cops] = except_cops
  elsif !strict
    options[:except_cops] = [:FormulaAuditStrict]
  end

  # Check style in a single batch run up front for performance
  style_results = Style.check_style_json(style_files, options) if style_files
  # load licenses
  spdx_license_data = SPDX.license_data
  spdx_exception_data = SPDX.exception_data
  new_formula_problem_lines = []
  audit_formulae.sort.each do |f|
    only = only_cops ? ["style"] : args.only
    options = {
      new_formula:         new_formula,
      strict:              strict,
      online:              online,
      git:                 git,
      only:                only,
      except:              args.except,
      spdx_license_data:   spdx_license_data,
      spdx_exception_data: spdx_exception_data,
    }
    options[:style_offenses] = style_results.file_offenses(f.path) if style_results
    options[:display_cop_names] = args.display_cop_names?
    options[:build_stable] = args.build_stable?

    fa = FormulaAuditor.new(f, options)
    fa.audit
    next if fa.problems.empty? && fa.new_formula_problems.empty?

    fa.problems
    formula_count += 1
    problem_count += fa.problems.size
    problem_lines = format_problem_lines(fa.problems)
    corrected_problem_count = options[:style_offenses].count(&:corrected?) if options[:style_offenses]
    new_formula_problem_lines = format_problem_lines(fa.new_formula_problems)
    if args.display_filename?
      puts problem_lines.map { |s| "#{f.path}: #{s}" }
    else
      puts "#{f.full_name}:", problem_lines.map { |s| "  #{s}" }
    end
  end

  new_formula_problem_count += new_formula_problem_lines.size
  puts new_formula_problem_lines.map { |s| "  #{s}" }

  total_problems_count = problem_count + new_formula_problem_count
  problem_plural = "#{total_problems_count} #{"problem".pluralize(total_problems_count)}"
  formula_plural = "#{formula_count} #{"formula".pluralize(formula_count)}"
  corrected_problem_plural = "#{corrected_problem_count} #{"problem".pluralize(corrected_problem_count)}"
  errors_summary = "#{problem_plural} in #{formula_plural} detected"
  errors_summary += ", #{corrected_problem_plural} corrected" if corrected_problem_count.positive?

  ofail errors_summary if problem_count.positive? || new_formula_problem_count.positive?
end

.audit_argsObject


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# File 'Library/Homebrew/dev-cmd/audit.rb', line 21

def audit_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `audit` [<options>] [<formula>]

      Check <formula> for Homebrew coding style violations. This should be run before
      submitting a new formula. If no <formula> are provided, check all locally
      available formulae and skip style checks. Will exit with a non-zero status if any
      errors are found.
    EOS
    switch "--strict",
           description: "Run additional, stricter style checks."
    switch "--git",
           description: "Run additional, slower style checks that navigate the Git repository."
    switch "--online",
           description: "Run additional, slower style checks that require a network connection."
    switch "--new-formula",
           description: "Run various additional style checks to determine if a new formula is eligible "\
                        "for Homebrew. This should be used when creating new formula and implies "\
                        "`--strict` and `--online`."
    flag   "--tap=",
           description: "Check the formulae within the given tap, specified as <user>`/`<repo>."
    switch "--fix",
           description: "Fix style violations automatically using RuboCop's auto-correct feature."
    switch "--display-cop-names",
           description: "Include the RuboCop cop name for each violation in the output."
    switch "--display-filename",
           description: "Prefix every line of output with the file or formula name being audited, to "\
                        "make output easy to grep."
    switch "--skip-style",
           description: "Skip running non-RuboCop style checks. Useful if you plan on running "\
                        "`brew style` separately. Default unless a formula is specified by name"
    switch "-D", "--audit-debug",
           description: "Enable debugging and profiling of audit methods."
    comma_array "--only",
                description: "Specify a comma-separated <method> list to only run the methods named "\
                             "`audit_`<method>."
    comma_array "--except",
                description: "Specify a comma-separated <method> list to skip running the methods named "\
                             "`audit_`<method>."
    comma_array "--only-cops",
                description: "Specify a comma-separated <cops> list to check for violations of only the listed "\
                             "RuboCop cops."
    comma_array "--except-cops",
                description: "Specify a comma-separated <cops> list to skip checking for violations of the listed "\
                             "RuboCop cops."

    conflicts "--only", "--except"
    conflicts "--only-cops", "--except-cops", "--strict"
    conflicts "--only-cops", "--except-cops", "--only"
    conflicts "--display-cop-names", "--skip-style"
    conflicts "--display-cop-names", "--only-cops"
    conflicts "--display-cop-names", "--except-cops"
  end
end

.auditing?Boolean

Returns:

  • (Boolean)

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# File 'Library/Homebrew/global.rb', line 103

def auditing?
  @auditing == true
end

.backup(keg) ⇒ Object


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# File 'Library/Homebrew/reinstall.rb', line 67

def backup(keg)
  keg.unlink
  begin
    keg.rename backup_path(keg)
  rescue Errno::EACCES, Errno::ENOTEMPTY
    odie <<~EOS
      Could not rename #{keg.name} keg! Check/fix its permissions:
        sudo chown -R $(whoami) #{keg}
    EOS
  end
end

.backup_path(path) ⇒ Object


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# File 'Library/Homebrew/reinstall.rb', line 90

def backup_path(path)
  Pathname.new "#{path}.reinstall"
end

.bottleObject


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 85

def bottle
  args = bottle_args.parse

  return merge(args: args) if args.merge?

  ensure_relocation_formulae_installed! unless args.skip_relocation?
  args.named.to_resolved_formulae.each do |f|
    bottle_formula f, args: args
  end
end

.bottle_argsObject


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 42

def bottle_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `bottle` [<options>] <formula>

      Generate a bottle (binary package) from a formula that was installed with
      `--build-bottle`.
      If the formula specifies a rebuild version, it will be incremented in the
      generated DSL. Passing `--keep-old` will attempt to keep it at its original
      value, while `--no-rebuild` will remove it.
    EOS
    switch "--skip-relocation",
           description: "Do not check if the bottle can be marked as relocatable."
    switch "--force-core-tap",
           description: "Build a bottle even if <formula> is not in `homebrew/core` or any installed taps."
    switch "--no-rebuild",
           description: "If the formula specifies a rebuild version, remove it from the generated DSL."
    switch "--keep-old",
           description: "If the formula specifies a rebuild version, attempt to preserve its value in the "\
                        "generated DSL."
    switch "--json",
           description: "Write bottle information to a JSON file, which can be used as the value for "\
                        "`--merge`."
    switch "--merge",
           description: "Generate an updated bottle block for a formula and optionally merge it into the "\
                        "formula file. Instead of a formula name, requires the path to a JSON file generated with "\
                        "`brew bottle --json` <formula>."
    switch "--write",
           depends_on:  "--merge",
           description: "Write changes to the formula file. A new commit will be generated unless "\
                        "`--no-commit` is passed."
    switch "--no-commit",
           depends_on:  "--write",
           description: "When passed with `--write`, a new commit will not generated after writing changes "\
                        "to the formula file."
    flag   "--root-url=",
           description: "Use the specified <URL> as the root of the bottle's URL instead of Homebrew's default."

    conflicts "--no-rebuild", "--keep-old"
    min_named 1
  end
end

.bottle_formula(f, args:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 213

def bottle_formula(f, args:)
  return ofail "Formula not installed or up-to-date: #{f.full_name}" unless f.latest_version_installed?

  unless tap = f.tap
    return ofail "Formula not from core or any installed taps: #{f.full_name}" unless args.force_core_tap?

    tap = CoreTap.instance
  end

  if f.bottle_disabled?
    ofail "Formula has disabled bottle: #{f.full_name}"
    puts f.bottle_disable_reason
    return
  end

  return ofail "Formula was not installed with --build-bottle: #{f.full_name}" unless Utils::Bottles.built_as? f

  return ofail "Formula has no stable version: #{f.full_name}" unless f.stable

  if args.no_rebuild? || !f.tap
    rebuild = 0
  elsif args.keep_old?
    rebuild = f.bottle_specification.rebuild
  else
    ohai "Determining #{f.full_name} bottle rebuild..."
    versions = FormulaVersions.new(f)
    rebuilds = versions.bottle_version_map("origin/master")[f.pkg_version]
    rebuilds.pop if rebuilds.last.to_i.positive?
    rebuild = rebuilds.empty? ? 0 : rebuilds.max.to_i + 1
  end

  filename = Bottle::Filename.create(f, Utils::Bottles.tag, rebuild)
  bottle_path = Pathname.pwd/filename

  tar_filename = filename.to_s.sub(/.gz$/, "")
  tar_path = Pathname.pwd/tar_filename

  prefix = HOMEBREW_PREFIX.to_s
  repository = HOMEBREW_REPOSITORY.to_s
  cellar = HOMEBREW_CELLAR.to_s

  ohai "Bottling #{filename}..."

  formula_and_runtime_deps_names = [f.name] + f.runtime_dependencies.map(&:name)
  keg = Keg.new(f.prefix)
  relocatable = false
  skip_relocation = false

  keg.lock do
    original_tab = nil
    changed_files = nil

    begin
      keg.delete_pyc_files!

      changed_files = keg.replace_locations_with_placeholders unless args.skip_relocation?

      Formula.clear_cache
      Keg.clear_cache
      Tab.clear_cache
      tab = Tab.for_keg(keg)
      original_tab = tab.dup
      tab.poured_from_bottle = false
      tab.HEAD = nil
      tab.time = nil
      tab.changed_files = changed_files
      tab.write

      keg.find do |file|
        if file.symlink?
          # Ruby does not support `File.lutime` yet.
          # Shellout using `touch` to change modified time of symlink itself.
          system "/usr/bin/touch", "-h",
                 "-t", tab.source_modified_time.strftime("%Y%m%d%H%M.%S"), file
        else
          file.utime(tab.source_modified_time, tab.source_modified_time)
        end
      end

      cd cellar do
        sudo_purge
        safe_system "tar", "cf", tar_path, "#{f.name}/#{f.pkg_version}"
        sudo_purge
        tar_path.utime(tab.source_modified_time, tab.source_modified_time)
        relocatable_tar_path = "#{f}-bottle.tar"
        mv tar_path, relocatable_tar_path
        # Use gzip, faster to compress than bzip2, faster to uncompress than bzip2
        # or an uncompressed tarball (and more bandwidth friendly).
        safe_system "gzip", "-f", relocatable_tar_path
        sudo_purge
        mv "#{relocatable_tar_path}.gz", bottle_path
      end

      ohai "Detecting if #{filename} is relocatable..." if bottle_path.size > 1 * 1024 * 1024

      prefix_check = if Homebrew.default_prefix?(prefix)
        File.join(prefix, "opt")
      else
        prefix
      end

      # Ignore matches to source code, which is not required at run time.
      # These matches may be caused by debugging symbols.
      ignores = [%r{/include/|\.(c|cc|cpp|h|hpp)$}]
      any_go_deps = f.deps.any? do |dep|
        dep.name =~ Version.formula_optionally_versioned_regex(:go)
      end
      if any_go_deps
        go_regex =
          Version.formula_optionally_versioned_regex(:go, full: false)
        ignores << %r{#{Regexp.escape(HOMEBREW_CELLAR)}/#{go_regex}/[\d.]+/libexec}
      end

      relocatable = true
      if args.skip_relocation?
        skip_relocation = true
      else
        relocatable = false if keg_contain?(prefix_check, keg, ignores, formula_and_runtime_deps_names, args: args)
        relocatable = false if keg_contain?(repository, keg, ignores, args: args)
        relocatable = false if keg_contain?(cellar, keg, ignores, formula_and_runtime_deps_names, args: args)
        if prefix != prefix_check
          relocatable = false if keg_contain_absolute_symlink_starting_with?(prefix, keg, args: args)
          relocatable = false if keg_contain?("#{prefix}/etc", keg, ignores, args: args)
          relocatable = false if keg_contain?("#{prefix}/var", keg, ignores, args: args)
          relocatable = false if keg_contain?("#{prefix}/share/vim", keg, ignores, args: args)
        end
        skip_relocation = relocatable && !keg.require_relocation?
      end
      puts if !relocatable && args.verbose?
    rescue Interrupt
      ignore_interrupts { bottle_path.unlink if bottle_path.exist? }
      raise
    ensure
      ignore_interrupts do
        original_tab&.write
        keg.replace_placeholders_with_locations changed_files unless args.skip_relocation?
      end
    end
  end

  root_url = args.root_url

  bottle = BottleSpecification.new
  bottle.tap = tap
  bottle.root_url(root_url) if root_url
  if relocatable
    if skip_relocation
      bottle.cellar :any_skip_relocation
    else
      bottle.cellar :any
    end
  else
    bottle.cellar cellar
    bottle.prefix prefix
  end
  bottle.rebuild rebuild
  sha256 = bottle_path.sha256
  bottle.sha256 sha256 => Utils::Bottles.tag

  old_spec = f.bottle_specification
  if args.keep_old? && !old_spec.checksums.empty?
    mismatches = [:root_url, :prefix, :cellar, :rebuild].reject do |key|
      old_spec.send(key) == bottle.send(key)
    end
    if (old_spec.cellar == :any && bottle.cellar == :any_skip_relocation) ||
       (old_spec.cellar == cellar &&
        [:any, :any_skip_relocation].include?(bottle.cellar))
      mismatches.delete(:cellar)
      bottle.cellar old_spec.cellar
    end
    unless mismatches.empty?
      bottle_path.unlink if bottle_path.exist?

      mismatches.map! do |key|
        old_value = old_spec.send(key).inspect
        value = bottle.send(key).inspect
        "#{key}: old: #{old_value}, new: #{value}"
      end

      odie <<~EOS
        --keep-old was passed but there are changes in:
        #{mismatches.join("\n")}
      EOS
    end
  end

  output = bottle_output bottle

  puts "./#{filename}"
  puts output

  return unless args.json?

  json = {
    f.full_name => {
      "formula" => {
        "pkg_version" => f.pkg_version.to_s,
        "path"        => f.path.to_s.delete_prefix("#{HOMEBREW_REPOSITORY}/"),
      },
      "bottle"  => {
        "root_url" => bottle.root_url,
        "prefix"   => bottle.prefix,
        "cellar"   => bottle.cellar.to_s,
        "rebuild"  => bottle.rebuild,
        "tags"     => {
          Utils::Bottles.tag.to_s => {
            "filename"       => filename.bintray,
            "local_filename" => filename.to_s,
            "sha256"         => sha256,
          },
        },
      },
      "bintray" => {
        "package"    => Utils::Bottles::Bintray.package(f.name),
        "repository" => Utils::Bottles::Bintray.repository(tap),
      },
    },
  }
  File.open(filename.json, "w") do |file|
    file.write JSON.generate json
  end
end

.bottle_output(bottle) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 202

def bottle_output(bottle)
  erb = ERB.new BOTTLE_ERB
  erb.result(bottle.instance_eval { binding }).gsub(/^\s*$\n/, "")
end

.brief_build_info(f, with_hostname:) ⇒ Object


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 79

def brief_build_info(f, with_hostname:)
  build_time_str = f.logs.ctime.strftime("%Y-%m-%d %H:%M:%S")
  s = +<<~EOS
    Homebrew build logs for #{f.full_name} on #{OS_VERSION}
  EOS
  if with_hostname
    hostname = Socket.gethostname
    s << "Host: #{hostname}\n"
  end
  s << "Build date: #{build_time_str}\n"
  s.freeze
end

.build_man_pageObject


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# File 'Library/Homebrew/dev-cmd/man.rb', line 56

def build_man_page
  template = (SOURCE_PATH/"brew.1.md.erb").read
  variables = OpenStruct.new

  variables[:commands] = generate_cmd_manpages(Commands.internal_commands_paths)
  variables[:developer_commands] = generate_cmd_manpages(Commands.internal_developer_commands_paths)
  variables[:official_external_commands] = generate_cmd_manpages(Commands.official_external_commands_paths)
  variables[:global_options] = global_options_manpage
  variables[:environment_variables] = env_vars_manpage

  readme = HOMEBREW_REPOSITORY/"README.md"
  variables[:lead] =
    readme.read[/(Homebrew's \[Project Leader.*\.)/, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:plc] =
    readme.read[/(Homebrew's \[Project Leadership Committee.*\.)/, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:tsc] =
    readme.read[/(Homebrew's \[Technical Steering Committee.*\.)/, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:linux] =
    readme.read[%r{(Homebrew/brew's Linux maintainers .*\.)}, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:maintainers] =
    readme.read[/(Homebrew's other current maintainers .*\.)/, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:alumni] =
    readme.read[/(Former maintainers .*\.)/, 1]
          .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')

  ERB.new(template, trim_mode: ">").result(variables.instance_eval { binding })
end

.bumpObject


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# File 'Library/Homebrew/dev-cmd/bump.rb', line 23

def bump
  args = bump_args.parse

  requested_formulae = args.named.to_formulae.map(&:name) if args.named.to_formulae.present?

  requested_limit = args.limit.to_i if args.limit.present?

  repology_data = if requested_formulae
    response = {}
    requested_formulae.each do |formula|
      raise FormulaUnavailableError, formula unless validate_formula(formula)

      package_data = Repology.single_package_query(formula)
      response[package_data.keys.first] = package_data.values.first if package_data
    end

    response
  else
    Repology.parse_api_response(requested_limit)
  end

  validated_formulae = {}

  validated_formulae = Repology.validate_and_format_packages(repology_data, requested_limit) if repology_data

  if requested_formulae
    repology_excluded_formulae = requested_formulae.reject do |formula|
      repology_data[formula]
    end

    formulae = {}
    repology_excluded_formulae.each do |formula|
      formulae[formula] = Repology.format_package(formula, nil)
    end

    formulae.each { |formula, data| validated_formulae[formula] = data }
  end

  display(validated_formulae)
end

.bump_argsObject


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# File 'Library/Homebrew/dev-cmd/bump.rb', line 8

def bump_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `bump` [<options>] [<formula>]

      Display out-of-date brew formulae and the latest version available.
      Also displays whether a pull request has been opened with the URL.
    EOS
    flag "--limit=",
         description: "Limit number of package results returned."
    switch :verbose
    switch :debug
  end
end

.bump_formula_prObject


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 116

def bump_formula_pr
  args = bump_formula_pr_args.parse

  # As this command is simplifying user-run commands then let's just use a
  # user path, too.
  ENV["PATH"] = ENV["HOMEBREW_PATH"]

  # Use the user's browser, too.
  ENV["BROWSER"] = Homebrew::EnvConfig.browser

  formula = args.named.to_formulae.first

  new_url = args.url
  formula ||= determine_formula_from_url(new_url) if new_url
  raise FormulaUnspecifiedError unless formula

  tap_full_name, origin_branch, previous_branch = use_correct_linux_tap(formula, args: args)
  check_open_pull_requests(formula, tap_full_name, args: args)

  new_version = args.version
  check_closed_pull_requests(formula, tap_full_name, version: new_version, args: args) if new_version

  opoo "This formula has patches that may be resolved upstream." if formula.patchlist.present?
  opoo "This formula has resources that may need to be updated." if formula.resources.present?

  requested_spec = :stable
  formula_spec = formula.stable
  odie "#{formula}: no #{requested_spec} specification found!" unless formula_spec

  hash_type, old_hash = if (checksum = formula_spec.checksum)
    [checksum.hash_type, checksum.hexdigest]
  end

  new_hash = args[hash_type] if hash_type
  new_tag = args.tag
  new_revision = args.revision
  new_mirrors ||= args.mirror
  new_mirror ||= determine_mirror(new_url)
  new_mirrors ||= [new_mirror] unless new_mirror.nil?
  old_url = formula_spec.url
  old_tag = formula_spec.specs[:tag]
  old_formula_version = formula_version(formula, requested_spec)
  old_version = old_formula_version.to_s
  forced_version = new_version.present?
  new_url_hash = if new_url && new_hash
    check_closed_pull_requests(formula, tap_full_name, url: new_url, args: args) unless new_version
    true
  elsif new_tag && new_revision
    check_closed_pull_requests(formula, tap_full_name, url: old_url, tag: new_tag, args: args) unless new_version
    false
  elsif !hash_type
    odie "#{formula}: no --tag= or --version= argument specified!" if !new_tag && !new_version
    new_tag ||= old_tag.gsub(old_version, new_version)
    if new_tag == old_tag
      odie <<~EOS
        You need to bump this formula manually since the new tag
        and old tag are both #{new_tag}.
      EOS
    end
    check_closed_pull_requests(formula, tap_full_name, url: old_url, tag: new_tag, args: args) unless new_version
    resource_path, forced_version = fetch_resource(formula, new_version, old_url, tag: new_tag)
    new_revision = Utils.popen_read("git -C \"#{resource_path}\" rev-parse -q --verify HEAD")
    new_revision = new_revision.strip
    false
  elsif !new_url && !new_version
    odie "#{formula}: no --url= or --version= argument specified!"
  else
    new_url ||= PyPI.update_pypi_url(old_url, new_version)
    new_url ||= old_url.gsub(old_version, new_version)
    if new_url == old_url
      odie <<~EOS
        You need to bump this formula manually since the new URL
        and old URL are both:
          #{new_url}
      EOS
    end
    check_closed_pull_requests(formula, tap_full_name, url: new_url, args: args) unless new_version
    resource_path, forced_version = fetch_resource(formula, new_version, new_url)
    tar_file_extensions = %w[.tar .tb2 .tbz .tbz2 .tgz .tlz .txz .tZ]
    if tar_file_extensions.any? { |extension| new_url.include? extension }
      gnu_tar_gtar_path = HOMEBREW_PREFIX/"opt/gnu-tar/bin/gtar"
      gnu_tar_gtar = gnu_tar_gtar_path if gnu_tar_gtar_path.executable?
      tar = which("gtar") || gnu_tar_gtar || which("tar")
      if Utils.popen_read(tar, "-tf", resource_path).match?(%r{/.*\.})
        new_hash = resource_path.sha256
      else
        odie "#{resource_path} is not a valid tar file!"
      end
    else
      new_hash = resource_path.sha256
    end
  end

  replacement_pairs = []
  if requested_spec == :stable && formula.revision.nonzero?
    replacement_pairs << [
      /^  revision \d+\n(\n(  head "))?/m,
      "\\2",
    ]
  end

  replacement_pairs += formula_spec.mirrors.map do |mirror|
    [
      / +mirror "#{Regexp.escape(mirror)}"\n/m,
      "",
    ]
  end

  replacement_pairs += if new_url_hash
    [
      [
        /#{Regexp.escape(formula_spec.url)}/,
        new_url,
      ],
      [
        old_hash,
        new_hash,
      ],
    ]
  else
    [
      [
        formula_spec.specs[:tag],
        new_tag,
      ],
      [
        formula_spec.specs[:revision],
        new_revision,
      ],
    ]
  end

  read_only_run = args.dry_run? && !args.write?
  old_contents = File.read(formula.path) unless read_only_run

  if new_mirrors
    replacement_pairs << [
      /^( +)(url "#{Regexp.escape(new_url)}"\n)/m,
      "\\1\\2\\1mirror \"#{new_mirrors.join("\"\n\\1mirror \"")}\"\n",
    ]
  end

  # When bumping a linux-only formula, one needs to also delete the
  # sha256 linux bottle line if it exists. That's because of running
  # test-bot with --keep-old option in linuxbrew-core.
  formula_contents = formula.path.read
  if formula_contents.include?("depends_on :linux") && formula_contents.include?("=> :x86_64_linux")
    replacement_pairs << [
      /^    sha256 ".+" => :x86_64_linux\n/m,
      "\\2",
    ]
  end

  if forced_version && new_version != "0"
    replacement_pairs << if File.read(formula.path).include?("version \"#{old_formula_version}\"")
      [
        old_formula_version.to_s,
        new_version,
      ]
    elsif new_mirrors
      [
        /^( +)(mirror "#{Regexp.escape(new_mirrors.last)}"\n)/m,
        "\\1\\2\\1version \"#{new_version}\"\n",
      ]
    elsif new_url
      [
        /^( +)(url "#{Regexp.escape(new_url)}"\n)/m,
        "\\1\\2\\1version \"#{new_version}\"\n",
      ]
    elsif new_revision
      [
        /^( {2})( +)(:revision => "#{new_revision}"\n)/m,
        "\\1\\2\\3\\1version \"#{new_version}\"\n",
      ]
    end
  elsif forced_version && new_version == "0"
    replacement_pairs << [
      /^  version "[\w.\-+]+"\n/m,
      "",
    ]
  end
  new_contents = Utils::Inreplace.inreplace_pairs(formula.path,
                                                  replacement_pairs.uniq.compact,
                                                  read_only_run: read_only_run,
                                                  silent:        args.quiet?)

  new_formula_version = formula_version(formula, requested_spec, new_contents)

  if !new_mirrors && !formula_spec.mirrors.empty?
    if args.force?
      opoo "#{formula}: Removing all mirrors because a --mirror= argument was not specified."
    else
      odie <<~EOS
        #{formula}: a --mirror= argument for updating the mirror URL was not specified.
        Use --force to remove all mirrors.
      EOS
    end
  end

  if new_formula_version < old_formula_version
    formula.path.atomic_write(old_contents) unless read_only_run
    odie <<~EOS
      You need to bump this formula manually since changing the
      version from #{old_formula_version} to #{new_formula_version} would be a downgrade.
    EOS
  elsif new_formula_version == old_formula_version
    formula.path.atomic_write(old_contents) unless read_only_run
    odie <<~EOS
      You need to bump this formula manually since the new version
      and old version are both #{new_formula_version}.
    EOS
  end

  alias_rename = alias_update_pair(formula, new_formula_version)
  if alias_rename.present?
    ohai "renaming alias #{alias_rename.first} to #{alias_rename.last}"
    alias_rename.map! { |a| formula.tap.alias_dir/a }
  end

  unless read_only_run
    PyPI.update_python_resources! formula, new_formula_version, silent: args.quiet?, ignore_non_pypi_packages: true
  end

  run_audit(formula, alias_rename, old_contents, args: args)

  formula.path.parent.cd do
    _, base_branch = origin_branch.split("/")
    branch = "bump-#{formula.name}-#{new_formula_version}"
    git_dir = Utils.popen_read("git rev-parse --git-dir").chomp
    shallow = !git_dir.empty? && File.exist?("#{git_dir}/shallow")
    changed_files = [formula.path]
    changed_files += alias_rename if alias_rename.present?

    if args.dry_run?
      ohai "try to fork repository with GitHub API" unless args.no_fork?
      ohai "git fetch --unshallow origin" if shallow
      ohai "git add #{alias_rename.first} #{alias_rename.last}" if alias_rename.present?
      ohai "git checkout --no-track -b #{branch} #{origin_branch}"
      ohai "git commit --no-edit --verbose --message='#{formula.name} " \
           "#{new_formula_version}' -- #{changed_files.join(" ")}"
      ohai "git push --set-upstream $HUB_REMOTE #{branch}:#{branch}"
      ohai "git checkout --quiet #{previous_branch}"
      ohai "create pull request with GitHub API (base branch: #{base_branch})"
    else

      if args.no_fork?
        remote_url = Utils.popen_read("git remote get-url --push origin").chomp
        username = formula.tap.user
      else
        begin
          remote_url, username = GitHub.forked_repo_info!(tap_full_name)
        rescue *GitHub.api_errors => e
          formula.path.atomic_write(old_contents)
          odie "Unable to fork: #{e.message}!"
        end
      end

      safe_system "git", "fetch", "--unshallow", "origin" if shallow
      safe_system "git", "add", *alias_rename if alias_rename.present?
      safe_system "git", "checkout", "--no-track", "-b", branch, origin_branch
      safe_system "git", "commit", "--no-edit", "--verbose",
                  "--message=#{formula.name} #{new_formula_version}",
                  "--", *changed_files
      safe_system "git", "push", "--set-upstream", remote_url, "#{branch}:#{branch}"
      safe_system "git", "checkout", "--quiet", previous_branch
      pr_message = <<~EOS
        Created with `brew bump-formula-pr`.
      EOS
      user_message = args.message
      if user_message
        pr_message += <<~EOS

          ---

          #{user_message}
        EOS
      end
      pr_title = "#{formula.name} #{new_formula_version}"

      begin
        url = GitHub.create_pull_request(tap_full_name, pr_title,
                                         "#{username}:#{branch}", base_branch, pr_message)["html_url"]
        if args.no_browse?
          puts url
        else
          exec_browser url
        end
      rescue *GitHub.api_errors => e
        odie "Unable to open pull request: #{e.message}!"
      end
    end
  end
end

.bump_formula_pr_argsObject


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 10

def bump_formula_pr_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `bump-formula-pr` [<options>] [<formula>]

      Create a pull request to update <formula> with a new URL or a new tag.

      If a <URL> is specified, the <SHA-256> checksum of the new download should also
      be specified. A best effort to determine the <SHA-256> and <formula> name will
      be made if either or both values are not supplied by the user.

      If a <tag> is specified, the Git commit <revision> corresponding to that tag
      should also be specified. A best effort to determine the <revision> will be made
      if the value is not supplied by the user.

      If a <version> is specified, a best effort to determine the <URL> and <SHA-256> or
      the <tag> and <revision> will be made if both values are not supplied by the user.

      *Note:* this command cannot be used to transition a formula from a
      URL-and-SHA-256 style specification into a tag-and-revision style specification,
      nor vice versa. It must use whichever style specification the formula already uses.
    EOS
    switch "-n", "--dry-run",
           description: "Print what would be done rather than doing it."
    switch "--write",
           depends_on:  "--dry-run",
           description: "When passed along with `--dry-run`, perform a not-so-dry run by making the expected "\
                        "file modifications but not taking any Git actions."
    switch "--no-audit",
           description: "Don't run `brew audit` before opening the PR."
    switch "--strict",
           description: "Run `brew audit --strict` before opening the PR."
    switch "--no-browse",
           description: "Print the pull request URL instead of opening in a browser."
    switch "--no-fork",
           description: "Don't try to fork the repository."
    comma_array "--mirror",
                description: "Use the specified <URL> as a mirror URL. If <URL> is a comma-separated list "\
                             "of URLs, multiple mirrors will be added."
    flag   "--version=",
           description: "Use the specified <version> to override the value parsed from the URL or tag. Note "\
                        "that `--version=0` can be used to delete an existing version override from a "\
                        "formula if it has become redundant."
    flag   "--message=",
           description: "Append <message> to the default pull request message."
    flag   "--url=",
           description: "Specify the <URL> for the new download. If a <URL> is specified, the <SHA-256> "\
                        "checksum of the new download should also be specified."
    flag   "--sha256=",
           depends_on:  "--url=",
           description: "Specify the <SHA-256> checksum of the new download."
    flag   "--tag=",
           description: "Specify the new git commit <tag> for the formula."
    flag   "--revision=",
           depends_on:  "--tag=",
           description: "Specify the new git commit <revision> corresponding to the specified <tag>."
    switch "-f", "--force",
           description: "Ignore duplicate open PRs. Remove all mirrors if --mirror= was not specified."

    conflicts "--no-audit", "--strict"
    conflicts "--url", "--tag"
    max_named 1
  end
end

.bump_revisionObject


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# File 'Library/Homebrew/dev-cmd/bump-revision.rb', line 26

def bump_revision
  args = bump_revision_args.parse

  # As this command is simplifying user-run commands then let's just use a
  # user path, too.
  ENV["PATH"] = ENV["HOMEBREW_PATH"]

  args.named.to_formulae.each do |formula|
    current_revision = formula.revision

    if current_revision.zero?
      formula_spec = formula.stable
      hash_type, old_hash = if (checksum = formula_spec.checksum)
        [checksum.hash_type, checksum.hexdigest]
      end

      old = if formula.license
        license_string = if formula.license.length > 1
          formula.license
        else
          "\"#{formula.license.first}\""
        end
        # insert replacement revision after license
        <<~EOS
          license #{license_string}
        EOS
      elsif formula.path.read.include?("stable do\n")
        # insert replacement revision after homepage
        <<~EOS
          homepage "#{formula.homepage}"
        EOS
      elsif hash_type
        # insert replacement revision after hash
        <<~EOS
          #{hash_type} "#{old_hash}"
        EOS
      else
        # insert replacement revision after :revision
        <<~EOS
          revision: "#{formula_spec.specs[:revision]}"
        EOS
      end
      replacement = "#{old}  revision 1\n"

    else
      old = "revision #{current_revision}"
      replacement = "revision #{current_revision+1}"
    end

    if args.dry_run?
      ohai "replace #{old.inspect} with #{replacement.inspect}" unless args.quiet?
    else
      Utils::Inreplace.inreplace(formula.path) do |s|
        s.gsub!(old, replacement)
      end
    end

    message = "#{formula.name}: revision bump #{args.message}"
    if args.dry_run?
      ohai "git commit --no-edit --verbose --message=#{message} -- #{formula.path}"
    else
      formula.path.parent.cd do
        safe_system "git", "commit", "--no-edit", "--verbose",
                    "--message=#{message}", "--", formula.path
      end
    end
  end
end

.bump_revision_argsObject


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# File 'Library/Homebrew/dev-cmd/bump-revision.rb', line 9

def bump_revision_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `bump-revision` [<options>] <formula> [<formula> ...]

      Create a commit to increment the revision of <formula>. If no revision is
      present, "revision 1" will be added.
    EOS
    switch "-n", "--dry-run",
           description: "Print what would be done rather than doing it."
    flag   "--message=",
           description: "Append <message> to the default commit message."

    min_named :formula
  end
end

.caskObject


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# File 'Library/Homebrew/cmd/cask.rb', line 12

def cask
  ARGV.freeze
  Cask::Cmd.run(*ARGV)
end

.cask_argsObject


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# File 'Library/Homebrew/cmd/cask.rb', line 8

def cask_args
  Cask::Cmd.parser
end

.catObject


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# File 'Library/Homebrew/dev-cmd/cat.rb', line 19

def cat
  args = cat_args.parse

  cd HOMEBREW_REPOSITORY
  pager = if Homebrew::EnvConfig.bat?
    ENV["BAT_CONFIG_PATH"] = Homebrew::EnvConfig.bat_config_path
    "#{HOMEBREW_PREFIX}/bin/bat"
  else
    "cat"
  end
  safe_system pager, args.named.to_formulae_paths.first
end

.cat_argsObject


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# File 'Library/Homebrew/dev-cmd/cat.rb', line 8

def cat_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `cat` <formula>

      Display the source of <formula>.
    EOS
    named :formula
  end
end

.changed_formulae(tap, original_commit) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pr-pull.rb', line 172

def changed_formulae(tap, original_commit)
  if Homebrew::EnvConfig.disable_load_formula?
    opoo "Can't check if updated bottles are necessary as formula loading is disabled!"
    return
  end

  Utils.popen_read("git", "-C", tap.path, "diff-tree",
                   "-r", "--name-only", "--diff-filter=AM",
                   original_commit, "HEAD", "--", tap.formula_dir)
       .lines
       .map do |line|
    next unless line.end_with? ".rb\n"

    name = "#{tap.name}/#{File.basename(line.chomp, ".rb")}"
    Formula[name]
  end.compact
end

.check_bintray_mirror(name, url) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 334

def check_bintray_mirror(name, url)
  headers, = curl_output("--connect-timeout", "15", "--location", "--head", url)
  status_code = headers.scan(%r{^HTTP/.* (\d+)}).last.first
  return if status_code.start_with?("2")

  opoo "The Bintray mirror #{url} is not reachable (HTTP status code #{status_code})."
  opoo "Do you need to upload it with `brew mirror #{name}`?"
end

.check_bottled_formulae(json_files) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pr-upload.rb', line 33

def check_bottled_formulae(json_files)
  hashes = json_files.reduce({}) do |hash, json|
    hash.deep_merge(JSON.parse(IO.read(json)))
  end

  hashes.each do |name, hash|
    formula_path = HOMEBREW_REPOSITORY/hash["formula"]["path"]
    formula_version = Formulary.factory(formula_path).pkg_version
    bottle_version = PkgVersion.parse hash["formula"]["pkg_version"]
    next if formula_version == bottle_version

    odie "Bottles are for #{name} #{bottle_version} but formula is version #{formula_version}!"
  end
end

.check_branch(path, ref, args:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pr-pull.rb', line 136

def check_branch(path, ref, args:)
  branch = Utils.popen_read("git", "-C", path, "symbolic-ref", "--short", "HEAD").strip

  return if branch == ref || args.clean? || args.branch_okay?

  opoo "Current branch is #{branch}: do you need to pull inside #{ref}?"
end

.check_bumps(patch_changes) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 192

def check_bumps(patch_changes)
  if patch_changes[:formulae].empty?
    odie "No changed formulae found to bump"
  elsif patch_changes[:formulae].length > 1
    odie "Can only bump one changed formula; bumped #{patch_changes[:formulae]}"
  elsif !patch_changes[:others].empty?
    odie "Cannot bump if non-formula files are changed"
  end
end

.check_closed_pull_requests(formula, tap_full_name, version: nil, url: nil, tag: nil, args:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 467

def check_closed_pull_requests(formula, tap_full_name, version: nil, url: nil, tag: nil, args:)
  unless version
    specs = {}
    specs[:tag] = tag if tag
    version = Version.detect(url, **specs)
  end
  # if we haven't already found open requests, try for an exact match across closed requests
  GitHub.check_for_duplicate_pull_requests("#{formula.name} #{version}", tap_full_name, state: "closed", args: args)
end

.check_for_dependents(kegs, named_args: []) ⇒ Object


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# File 'Library/Homebrew/cmd/uninstall.rb', line 158

def check_for_dependents(kegs, named_args: [])
  return false unless result = Keg.find_some_installed_dependents(kegs)

  if Homebrew::EnvConfig.developer?
    DeveloperDependentsMessage.new(*result, named_args: named_args).output
  else
    NondeveloperDependentsMessage.new(*result, named_args: named_args).output
  end

  true
end

.check_open_pull_requests(formula, tap_full_name, args:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 463

def check_open_pull_requests(formula, tap_full_name, args:)
  GitHub.check_for_duplicate_pull_requests(formula.name, tap_full_name, state: "open", args: args)
end

.cherry_pick_pr!(pr, path: ".", args:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pr-pull.rb', line 108

def cherry_pick_pr!(pr, path: ".", args:)
  if args.dry_run?
    puts <<~EOS
      git fetch --force origin +refs/pull/#{pr}/head
      git merge-base HEAD FETCH_HEAD
      git cherry-pick --ff --allow-empty $merge_base..FETCH_HEAD
    EOS
  else
    safe_system "git", "-C", path, "fetch", "--quiet", "--force", "origin", "+refs/pull/#{pr}/head"
    merge_base = Utils.popen_read("git", "-C", path, "merge-base", "HEAD", "FETCH_HEAD").strip
    commit_count = Utils.popen_read("git", "-C", path, "rev-list", "#{merge_base}..FETCH_HEAD").lines.count

    # git cherry-pick unfortunately has no quiet option
    ohai "Cherry-picking #{commit_count} commit#{"s" unless commit_count == 1} from ##{pr}"
    cherry_pick_args = "git", "-C", path, "cherry-pick", "--ff", "--allow-empty", "#{merge_base}..FETCH_HEAD"
    result = args.verbose? ? system(*cherry_pick_args) : quiet_system(*cherry_pick_args)

    unless result
      if args.resolve?
        odie "Cherry-pick failed: try to resolve it."
      else
        system "git", "-C", path, "cherry-pick", "--abort"
        odie "Cherry-pick failed!"
      end
    end
  end
end

.cleanupObject


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# File 'Library/Homebrew/cmd/cleanup.rb', line 33

def cleanup
  args = cleanup_args.parse

  if args.prune.present? && !Integer(args.prune, exception: false) && args.prune != "all"
    raise UsageError, "--prune= expects an integer or 'all'."
  end

  cleanup = Cleanup.new(*args.named, dry_run: args.dry_run?, scrub: args.s?, days: args.prune&.to_i)
  if args.prune_prefix?
    cleanup.prune_prefix_symlinks_and_directories
    return
  end

  cleanup.clean!

  unless cleanup.disk_cleanup_size.zero?
    disk_space = disk_usage_readable(cleanup.disk_cleanup_size)
    if args.dry_run?
      ohai "This operation would free approximately #{disk_space} of disk space."
    else
      ohai "This operation has freed approximately #{disk_space} of disk space."
    end
  end

  return if cleanup.unremovable_kegs.empty?

  ofail <<~EOS
    Could not cleanup old kegs! Fix your permissions on:
      #{cleanup.unremovable_kegs.join "\n  "}
  EOS
end

.cleanup_argsObject


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# File 'Library/Homebrew/cmd/cleanup.rb', line 9

def cleanup_args
  Homebrew::CLI::Parser.new do
    days = Homebrew::EnvConfig::ENVS[:HOMEBREW_CLEANUP_MAX_AGE_DAYS][:default]
    usage_banner <<~EOS
      `cleanup` [<options>] [<formula>|<cask>]

      Remove stale lock files and outdated downloads for all formulae and casks,
      and remove old versions of installed formulae. If arguments are specified,
      only do this for the given formulae and casks. Removes all downloads more than
      #{days} days old. This can be adjusted with `HOMEBREW_CLEANUP_MAX_AGE_DAYS`.
    EOS
    flag   "--prune=",
           description: "Remove all cache files older than specified <days>."
    switch "-n", "--dry-run",
           description: "Show what would be removed, but do not actually remove anything."
    switch "-s",
           description: "Scrub the cache, including downloads for even the latest versions. "\
                        "Note downloads for any installed formulae or casks will still not be deleted. "\
                        "If you want to delete those too: `rm -rf \"$(brew --cache)\"`"
    switch "--prune-prefix",
           description: "Only prune the symlinks and directories from the prefix and remove no other files."
  end
end

.cmd_comment_manpage_lines(cmd_path) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 175

def cmd_comment_manpage_lines(cmd_path)
  comment_lines = cmd_path.read.lines.grep(/^#:/)
  return if comment_lines.empty?
  return if comment_lines.first.include?("@hide_from_man_page")

  lines = [format_usage_banner(comment_lines.first).chomp]
  comment_lines.slice(1..-1)
               .each do |line|
    line = line.slice(4..-2)
    unless line
      lines.last << "\n"
      next
    end

    # Omit the common global_options documented separately in the man page.
    next if line.match?(/--(debug|help|quiet|verbose) /)

    # Format one option or a comma-separated pair of short and long options.
    lines << line.gsub(/^ +(-+[a-z-]+), (-+[a-z-]+) +/, "* `\\1`, `\\2`:\n  ")
                 .gsub(/^ +(-+[a-z-]+) +/, "* `\\1`:\n  ")
  end
  lines.last << "\n"
  lines
end

.cmd_comment_options(cmd_path) ⇒ Object


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# File 'Library/Homebrew/cmd/options.rb', line 61

def cmd_comment_options(cmd_path)
  options = []
  comment_lines = cmd_path.read.lines.grep(/^#:/)
  return options if comment_lines.empty?

  # skip the comment's initial usage summary lines
  comment_lines.slice(2..-1).each do |line|
    if / (?<option>-[-\w]+) +(?<desc>.*)$/ =~ line
      options << [option, desc]
    end
  end
  options
end

.cmd_parser_manpage_lines(cmd_parser) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 165

def cmd_parser_manpage_lines(cmd_parser)
  lines = [format_usage_banner(cmd_parser.usage_banner_text)]
  lines += cmd_parser.processed_options.map do |short, long, _, desc|
    next if !long.nil? && Homebrew::CLI::Parser.global_options.include?([short, long, desc])

    generate_option_doc(short, long, desc)
  end.reject(&:blank?)
  lines
end

.commandObject


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# File 'Library/Homebrew/dev-cmd/command.rb', line 21

def command
  args = command_args.parse

  args.named.each do |cmd|
    path = Commands.path(cmd)
    odie "Unknown command: #{cmd}" unless path
    puts path
  end
end

.command_argsObject


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# File 'Library/Homebrew/dev-cmd/command.rb', line 9

def command_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `command` <cmd>

      Display the path to the file being used when invoking `brew` <cmd>.
    EOS

    min_named 1
  end
end

.commandsObject


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# File 'Library/Homebrew/cmd/commands.rb', line 25

def commands
  args = commands_args.parse

  if args.quiet?
    puts Formatter.columns(Commands.commands(aliases: args.include_aliases?))
    return
  end

  prepend_separator = false

  {
    "Built-in commands"           => Commands.internal_commands,
    "Built-in developer commands" => Commands.internal_developer_commands,
    "External commands"           => Commands.external_commands,
    "Cask commands"               => Commands.cask_internal_commands,
    "External cask commands"      => Commands.cask_external_commands,
  }.each do |title, commands|
    next if commands.blank?

    puts if prepend_separator
    ohai title, Formatter.columns(commands)

    prepend_separator ||= true
  end
end

.commands_argsObject


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# File 'Library/Homebrew/cmd/commands.rb', line 8

def commands_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `commands` [<options>]

      Show lists of built-in and external commands.
    EOS
    switch "-q", "--quiet",
           description: "List only the names of commands without category headers."
    switch "--include-aliases",
           depends_on:  "--quiet",
           description: "Include aliases of internal commands."

    max_named 0
  end
end

.condense_requirements(deps, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/deps.rb', line 117

def condense_requirements(deps, args:)
  deps.select! { |dep| dep.is_a?(Dependency) } unless args.include_requirements?
  deps.select! { |dep| dep.is_a?(Requirement) || dep.installed? } if args.installed?
end

.configObject


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# File 'Library/Homebrew/cmd/config.rb', line 22

def config
  config_args.parse

  SystemConfig.dump_verbose_config
end

.config_argsObject


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# File 'Library/Homebrew/cmd/config.rb', line 9

def config_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `config`

      Show Homebrew and system configuration info useful for debugging. If you file
      a bug report, you will be required to provide this information.
    EOS

    max_named 0
  end
end

.convert_man_page(markup, target, preserve_date:) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 94

def convert_man_page(markup, target, preserve_date:)
  manual = target.basename(".1")
  organisation = "Homebrew"

  # Set the manpage date to the existing one if we're checking for changes.
  # This avoids the only change being e.g. a new date.
  date = if preserve_date && target.extname == ".1" && target.exist?
    /"(\d{1,2})" "([A-Z][a-z]+) (\d{4})" "#{organisation}" "#{manual}"/ =~ target.read
    Date.parse("#{Regexp.last_match(1)} #{Regexp.last_match(2)} #{Regexp.last_match(3)}")
  else
    Date.today
  end
  date = date.strftime("%Y-%m-%d")

  shared_args = %W[
    --pipe
    --organization=#{organisation}
    --manual=#{target.basename(".1")}
    --date=#{date}
  ]

  format_flag, format_desc = target_path_to_format(target)

  puts "Writing #{format_desc} to #{target}"
  Utils.popen(["ronn", format_flag] + shared_args, "rb+") do |ronn|
    ronn.write markup
    ronn.close_write
    ronn_output = ronn.read
    odie "Got no output from ronn!" if ronn_output.blank?
    case format_flag
    when "--markdown"
      ronn_output = ronn_output.gsub(%r{<var>(.*?)</var>}, "*`\\1`*")
                               .gsub(/\n\n\n+/, "\n\n")
    when "--roff"
      ronn_output = ronn_output.gsub(%r{<code>(.*?)</code>}, "\\fB\\1\\fR")
                               .gsub(%r{<var>(.*?)</var>}, "\\fI\\1\\fR")
                               .gsub(/(^\[?\\fB.+): /, "\\1\n    ")
    end
    target.atomic_write ronn_output
  end
end

.createObject

Create a formula from a tarball URL


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# File 'Library/Homebrew/dev-cmd/create.rb', line 66

def create
  args = create_args.parse

  # Ensure that the cache exists so we can fetch the tarball
  HOMEBREW_CACHE.mkpath

  url = args.named.first # Pull the first (and only) url from ARGV

  version = args.set_version
  name = args.set_name
  license = args.set_license
  tap = args.tap

  fc = FormulaCreator.new(args)
  fc.name = name
  fc.version = version
  fc.license = license
  fc.tap = Tap.fetch(tap || "homebrew/core")
  raise TapUnavailableError, tap unless fc.tap.installed?

  fc.url = url

  fc.mode = if args.cmake?
    :cmake
  elsif args.autotools?
    :autotools
  elsif args.meson?
    :meson
  elsif args.crystal?
    :crystal
  elsif args.go?
    :go
  elsif args.node?
    :node
  elsif args.perl?
    :perl
  elsif args.python?
    :python
  elsif args.ruby?
    :ruby
  elsif args.rust?
    :rust
  end

  if fc.name.nil? || fc.name.strip.empty?
    stem = Pathname.new(url).stem
    print "Formula name [#{stem}]: "
    fc.name = __gets || stem
    fc.update_path
  end

  # Check for disallowed formula, or names that shadow aliases,
  # unless --force is specified.
  unless args.force?
    if reason = MissingFormula.disallowed_reason(fc.name)
      raise <<~EOS
        #{fc.name} is not allowed to be created.
        #{reason}
        If you really want to create this formula use --force.
      EOS
    end

    if Formula.aliases.include? fc.name
      realname = Formulary.canonical_name(fc.name)
      raise <<~EOS
        The formula #{realname} is already aliased to #{fc.name}
        Please check that you are not creating a duplicate.
        To force creation use --force.
      EOS
    end
  end

  fc.generate!

  PyPI.update_python_resources! Formula[fc.name], ignore_non_pypi_packages: true if args.python?

  puts "Please run `brew audit --new-formula #{fc.name}` before submitting, thanks."
  exec_editor fc.path
end

.create_argsObject


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# File 'Library/Homebrew/dev-cmd/create.rb', line 12

def create_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `create` [<options>] <URL>

      Generate a formula for the downloadable file at <URL> and open it in the editor.
      Homebrew will attempt to automatically derive the formula name and version, but
      if it fails, you'll have to make your own template. The `wget` formula serves as
      a simple example. For the complete API, see:
      <https://rubydoc.brew.sh/Formula>
    EOS
    switch "--autotools",
           description: "Create a basic template for an Autotools-style build."
    switch "--cmake",
           description: "Create a basic template for a CMake-style build."
    switch "--crystal",
           description: "Create a basic template for a Crystal build."
    switch "--go",
           description: "Create a basic template for a Go build."
    switch "--meson",
           description: "Create a basic template for a Meson-style build."
    switch "--node",
           description: "Create a basic template for a Node build."
    switch "--perl",
           description: "Create a basic template for a Perl build."
    switch "--python",
           description: "Create a basic template for a Python build."
    switch "--ruby",
           description: "Create a basic template for a Ruby build."
    switch "--rust",
           description: "Create a basic template for a Rust build."
    switch "--no-fetch",
           description: "Homebrew will not download <URL> to the cache and will thus not add its SHA-256 "\
                        "to the formula for you, nor will it check the GitHub API for GitHub projects "\
                        "(to fill out its description and homepage)."
    switch "--HEAD",
           description: "Indicate that <URL> points to the package's repository rather than a file."
    flag   "--set-name=",
           description: "Explicitly set the <name> of the new formula."
    flag   "--set-version=",
           description: "Explicitly set the <version> of the new formula."
    flag   "--set-license=",
           description: "Explicitly set the <license> of the new formula."
    flag   "--tap=",
           description: "Generate the new formula within the given tap, specified as <user>`/`<repo>."
    switch "-f", "--force",
           description: "Ignore errors for disallowed formula names and named that shadow aliases."

    conflicts "--autotools", "--cmake", "--crystal", "--go", "--meson", "--node", "--perl", "--python", "--rust"
    named 1
  end
end

.create_gist(files, description, private:) ⇒ Object


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 125

def create_gist(files, description, private:)
  url = "https://api.github.com/gists"
  data = { "public" => !private, "files" => files, "description" => description }
  scopes = GitHub::CREATE_GIST_SCOPES
  GitHub.open_api(url, data: data, scopes: scopes)["html_url"]
end

.create_issue(repo, title, body) ⇒ Object


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 132

def create_issue(repo, title, body)
  url = "https://api.github.com/repos/#{repo}/issues"
  data = { "title" => title, "body" => body }
  scopes = GitHub::CREATE_ISSUE_FORK_OR_PR_SCOPES
  GitHub.open_api(url, data: data, scopes: scopes)["html_url"]
end

.current_versions_from_info_external(formula_name) ⇒ Object

Get current formula versions without loading formula definition in this process. Returns info as a hash (type => version), for pull.rb's internal use. Uses special key :nonexistent => true for nonexistent formulae.


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 278

def current_versions_from_info_external(formula_name)
  info = FormulaInfo.lookup(formula_name)
  versions = {}
  if info
    [:stable, :devel, :head].each do |spec_type|
      versions[spec_type] = info.version(spec_type)
    end
  else
    versions[:nonexistent] = true
  end
  versions
end

.decorate_dependencies(dependencies) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 246

def decorate_dependencies(dependencies)
  deps_status = dependencies.map do |dep|
    if dep.satisfied?([])
      pretty_installed(dep_display_s(dep))
    else
      pretty_uninstalled(dep_display_s(dep))
    end
  end
  deps_status.join(", ")
end

.decorate_requirements(requirements) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 257

def decorate_requirements(requirements)
  req_status = requirements.map do |req|
    req_s = req.display_s
    req.satisfied? ? pretty_installed(req_s) : pretty_uninstalled(req_s)
  end
  req_status.join(", ")
end

.default_prefix?(prefix = HOMEBREW_PREFIX) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'Library/Homebrew/global.rb', line 82

def Homebrew.default_prefix?(prefix = HOMEBREW_PREFIX)
  prefix.to_s == DEFAULT_PREFIX
end

.dep_display_name(dep, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/deps.rb', line 122

def dep_display_name(dep, args:)
  str = if dep.is_a? Requirement
    if args.include_requirements?
      ":#{dep.display_s}"
    else
      # This shouldn't happen, but we'll put something here to help debugging
      "::#{dep.name}"
    end
  elsif args.full_name?
    dep.to_formula.full_name
  else
    dep.name
  end

  if args.annotate?
    str = "#{str} " if args.tree?
    str = "#{str} [build]" if dep.build?
    str = "#{str} [test]" if dep.test?
    str = "#{str} [optional]" if dep.optional?
    str = "#{str} [recommended]" if dep.recommended?
  end

  str
end

.dep_display_s(dep) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 265

def dep_display_s(dep)
  return dep.name if dep.option_tags.empty?

  "#{dep.name} #{dep.option_tags.map { |o| "--#{o}" }.join(" ")}"
end

.depsObject


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# File 'Library/Homebrew/cmd/deps.rb', line 62

def deps
  args = deps_args.parse

  Formulary.enable_factory_cache!

  recursive = !args.send("1?")
  installed = args.installed? || dependents(args.named.to_formulae_and_casks).all?(&:any_version_installed?)

  @use_runtime_dependencies = installed && recursive &&
                              !args.tree? &&
                              !args.include_build? &&
                              !args.include_test? &&
                              !args.include_optional? &&
                              !args.skip_recommended?

  if args.tree?
    dependents = if args.named.present?
      sorted_dependents(args.named.to_formulae_and_casks)
    elsif args.installed?
      sorted_dependents(Formula.installed + Cask::Caskroom.casks)
    else
      raise FormulaUnspecifiedError
    end

    puts_deps_tree dependents, recursive: recursive, args: args
    return
  elsif args.all?
    puts_deps sorted_dependents(Formula.to_a + Cask::Cask.to_a), recursive: recursive, args: args
    return
  elsif !args.no_named? && args.for_each?
    puts_deps sorted_dependents(args.named.to_formulae_and_casks), recursive: recursive, args: args
    return
  end

  if args.no_named?
    raise FormulaUnspecifiedError unless args.installed?

    puts_deps sorted_dependents(Formula.installed + Cask::Caskroom.casks), recursive: recursive, args: args
    return
  end

  dependents = dependents(args.named.to_formulae_and_casks)

  all_deps = deps_for_dependents(dependents, recursive: recursive, args: args, &(args.union? ? :| : :&))
  condense_requirements(all_deps, args: args)
  all_deps.map! { |d| dep_display_name(d, args: args) }
  all_deps.uniq!
  all_deps.sort! unless args.n?
  puts all_deps
end

.deps_argsObject


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# File 'Library/Homebrew/cmd/deps.rb', line 14

def deps_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `deps` [<options>] [<formula>]

      Show dependencies for <formula>. Additional options specific to <formula>
      may be appended to the command. When given multiple formula arguments,
      show the intersection of dependencies for each formula.
    EOS
    switch "-n",
           description: "Sort dependencies in topological order."
    switch "--1",
           description: "Only show dependencies one level down, instead of recursing."
    switch "--union",
           description: "Show the union of dependencies for multiple <formula>, instead of the intersection."
    switch "--full-name",
           description: "List dependencies by their full name."
    switch "--include-build",
           description: "Include `:build` dependencies for <formula>."
    switch "--include-optional",
           description: "Include `:optional` dependencies for <formula>."
    switch "--include-test",
           description: "Include `:test` dependencies for <formula> (non-recursive)."
    switch "--skip-recommended",
           description: "Skip `:recommended` dependencies for <formula>."
    switch "--include-requirements",
           description: "Include requirements in addition to dependencies for <formula>."
    switch "--tree",
           description: "Show dependencies as a tree. When given multiple formula arguments, "\
                        "show individual trees for each formula."
    switch "--annotate",
           description: "Mark any build, test, optional, or recommended dependencies as "\
                        "such in the output."
    switch "--installed",
           description: "List dependencies for formulae that are currently installed. If <formula> is "\
                        "specified, list only its dependencies that are currently installed."
    switch "--all",
           description: "List dependencies for all available formulae."
    switch "--for-each",
           description: "Switch into the mode used by the `--all` option, but only list dependencies "\
                        "for each provided <formula>, one formula per line. This is used for "\
                        "debugging the `--installed`/`--all` display mode."

    conflicts "--installed", "--all"
    formula_options
  end
end

.deps_for_dependent(d, recursive: false, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/deps.rb', line 147

def deps_for_dependent(d, recursive: false, args:)
  includes, ignores = args_includes_ignores(args)

  deps = d.runtime_dependencies if @use_runtime_dependencies

  if recursive
    deps ||= recursive_includes(Dependency, d, includes, ignores)
    reqs   = recursive_includes(Requirement, d, includes, ignores)
  else
    deps ||= reject_ignores(d.deps, ignores, includes)
    reqs   = reject_ignores(d.requirements, ignores, includes)
  end

  deps + reqs.to_a
end

.deps_for_dependents(dependents, recursive: false, args:, &block) ⇒ Object


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# File 'Library/Homebrew/cmd/deps.rb', line 163

def deps_for_dependents(dependents, recursive: false, args:, &block)
  dependents.map { |d| deps_for_dependent(d, recursive: recursive, args: args) }.reduce(&block)
end

.descObject


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# File 'Library/Homebrew/cmd/desc.rb', line 37

def desc
  args = desc_args.parse

  search_type = if args.search?
    :either
  elsif args.name?
    :name
  elsif args.description?
    :desc
  end

  results = if search_type.nil?
    desc = {}
    args.named.to_formulae.each { |f| desc[f.full_name] = f.desc }
    Descriptions.new(desc)
  else
    query = args.named.join(" ")
    string_or_regex = query_regexp(query)
    CacheStoreDatabase.use(:descriptions) do |db|
      cache_store = DescriptionCacheStore.new(db)
      Descriptions.search(string_or_regex, search_type, cache_store)
    end
  end

  results.print
end

.desc_argsObject


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# File 'Library/Homebrew/cmd/desc.rb', line 13

def desc_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `desc` [<options>] (<text>|`/`<text>`/`|<formula>)

      Display <formula>'s name and one-line description.
      Formula descriptions are cached; the cache is created on the
      first search, making that search slower than subsequent ones.
    EOS
    switch "-s", "--search",
           description: "Search both names and descriptions for <text>. If <text> is flanked by "\
                        "slashes, it is interpreted as a regular expression."
    switch "-n", "--name",
           description: "Search just names for <text>. If <text> is flanked by slashes, it is "\
                        "interpreted as a regular expression."
    switch "-d", "--description",
           description: "Search just descriptions for <text>. If <text> is flanked by slashes, "\
                        "it is interpreted as a regular expression."

    conflicts "--search", "--name", "--description"
    min_named 1
  end
end

.detect_name(path, version) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/diy.rb', line 55

def detect_name(path, version)
  basename = path.basename.to_s
  detected_name = basename[/(.*?)-?#{Regexp.escape(version)}/, 1] || basename
  canonical_name = Formulary.canonical_name(detected_name)

  odie <<~EOS if detected_name != canonical_name
    The detected name #{detected_name.inspect} exists in Homebrew as an alias
    of #{canonical_name.inspect}. Consider using the canonical name instead:
      brew diy --name=#{canonical_name}

    To continue using the detected name, pass it explicitly:
      brew diy --name=#{detected_name}
  EOS

  detected_name
end

.detect_version(path) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/diy.rb', line 48

def detect_version(path)
  version = path.version.to_s
  raise "Couldn't determine version, set it with --version=<version>" if version.empty?

  version
end

.determine_formula_from_url(url) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 410

def determine_formula_from_url(url)
  # Split the new URL on / and find any formulae that have the same URL
  # except for the last component, but don't try to match any more than the
  # first five components since sometimes the last component isn't the only
  # one to change.
  url_split = url.split("/")
  maximum_url_components_to_match = 5
  components_to_match = [url_split.count - 1, maximum_url_components_to_match].min
  base_url = url_split.first(components_to_match).join("/")
  base_url = /#{Regexp.escape(base_url)}/
  guesses = []
  Formula.each do |f|
    guesses << f if f.stable&.url && f.stable.url.match(base_url)
  end
  return guesses.shift if guesses.count == 1
  return if guesses.count <= 1

  odie "Couldn't guess formula for sure; could be one of these:\n#{guesses.map(&:name).join(", ")}"
end

.determine_mirror(url) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 430

def determine_mirror(url)
  case url
  when %r{.*ftp.gnu.org/gnu.*}
    url.sub "ftp.gnu.org/gnu", "ftpmirror.gnu.org"
  when %r{.*download.savannah.gnu.org/*}
    url.sub "download.savannah.gnu.org", "download-mirror.savannah.gnu.org"
  when %r{.*www.apache.org/dyn/closer.lua\?path=.*}
    url.sub "www.apache.org/dyn/closer.lua?path=", "archive.apache.org/dist/"
  when %r{.*mirrors.ocf.berkeley.edu/debian.*}
    url.sub "mirrors.ocf.berkeley.edu/debian", "mirrorservice.org/sites/ftp.debian.org/debian"
  end
end

.display(formulae) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump.rb', line 76

def display(formulae)
  formulae.each do |formula, package_details|
    title = (up_to_date?(package_details) ? "#{formula} is up to date!" : formula).to_s
    ohai title
    puts "Current formula version:  #{package_details[:current_formula_version]}"
    puts "Latest Repology version:  #{package_details[:repology_latest_version]}"
    puts "Latest livecheck version: #{package_details[:livecheck_latest_version]}"
    puts "Open pull requests:       #{package_details[:open_pull_requests]}"
  end
end

.diyObject


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# File 'Library/Homebrew/dev-cmd/diy.rb', line 27

def diy
  args = diy_args.parse

  path = Pathname.getwd

  version = args.version || detect_version(path)
  name = args.name || detect_name(path, version)

  prefix = HOMEBREW_CELLAR/name/version

  if File.file? "CMakeLists.txt"
    puts "-DCMAKE_INSTALL_PREFIX=#{prefix}"
  elsif File.file? "configure"
    puts "--prefix=#{prefix}"
  elsif File.file? "meson.build"
    puts "-Dprefix=#{prefix}"
  else
    raise "Couldn't determine build system. You can manually put files into #{prefix}"
  end
end

.diy_argsObject


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# File 'Library/Homebrew/dev-cmd/diy.rb', line 9

def diy_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `diy` [<options>]

      Automatically determine the installation prefix for non-Homebrew software.
      Using the output from this command, you can install your own software into
      the Cellar and then link it into Homebrew's prefix with `brew link`.
    EOS
    flag   "--name=",
           description: "Explicitly set the <name> of the package being installed."
    flag   "--version=",
           description: "Explicitly set the <version> of the package being installed."

    max_named 0
  end
end

.doctorObject


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# File 'Library/Homebrew/cmd/doctor.rb', line 29

def doctor
  args = doctor_args.parse

  inject_dump_stats!(Diagnostic::Checks, /^check_*/) if args.audit_debug?

  checks = Diagnostic::Checks.new(verbose: args.verbose?)

  if args.list_checks?
    puts checks.all.sort
    return
  end

  if args.no_named?
    slow_checks = %w[
      check_for_broken_symlinks
      check_missing_deps
    ]
    methods = (checks.all.sort - slow_checks) + slow_checks
    methods -= checks.cask_checks if Cask::Caskroom.casks.blank?
  else
    methods = args.named
  end

  first_warning = true
  methods.each do |method|
    $stderr.puts Formatter.headline("Checking #{method}", color: :magenta) if args.debug?
    unless checks.respond_to?(method)
      Homebrew.failed = true
      puts "No check available by the name: #{method}"
      next
    end

    out = checks.send(method)
    next if out.nil? || out.empty?

    if first_warning
      $stderr.puts <<~EOS
        #{Tty.bold}Please note that these warnings are just used to help the Homebrew maintainers
        with debugging if you file an issue. If everything you use Homebrew for is
        working fine: please don't worry or file an issue; just ignore this. Thanks!#{Tty.reset}
      EOS
    end

    $stderr.puts
    opoo out
    Homebrew.failed = true
    first_warning = false
  end

  puts "Your system is ready to brew." unless Homebrew.failed?
end

.doctor_argsObject


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# File 'Library/Homebrew/cmd/doctor.rb', line 10

def doctor_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `doctor` [<options>]

      Check your system for potential problems. Will exit with a non-zero status
      if any potential problems are found. Please note that these warnings are just
      used to help the Homebrew maintainers with debugging if you file an issue. If
      everything you use Homebrew for is working fine: please don't worry or file
      an issue; just ignore this.
    EOS
    switch "--list-checks",
           description: "List all audit methods, which can be run individually "\
                        "if provided as arguments."
    switch "-D", "--audit-debug",
           description: "Enable debugging and profiling of audit methods."
  end
end

.download_artifact(url, dir, pr) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/pr-pull.rb', line 190

def download_artifact(url, dir, pr)
  token, username = GitHub.api_credentials
  case GitHub.api_credentials_type
  when :env_username_password, :keychain_username_password
    curl_args = ["--user", "#{username}:#{token}"]
  when :env_token
    curl_args = ["--header", "Authorization: token #{token}"]
  when :none
    raise Error, "Credentials must be set to access the Artifacts API"
  end

  # Download the artifact as a zip file and unpack it into `dir`. This is
  # preferred over system `curl` and `tar` as this leverages the Homebrew
  # cache to avoid repeated downloads of (possibly large) bottles.
  FileUtils.chdir dir do
    downloader = GitHubArtifactDownloadStrategy.new(url, "artifact", pr, curl_args: curl_args, secrets: [token])
    downloader.fetch
    downloader.stage
  end
end

.editObject


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# File 'Library/Homebrew/dev-cmd/edit.rb', line 20

def edit
  args = edit_args.parse

  unless (HOMEBREW_REPOSITORY/".git").directory?
    raise <<~EOS
      Changes will be lost!
      The first time you `brew update`, all local changes will be lost; you should
      thus `brew update` before you `brew edit`!
    EOS
  end

  paths = args.named.to_formulae_paths.presence

  # If no brews are listed, open the project root in an editor.
  paths ||= [HOMEBREW_REPOSITORY]

  exec_editor(*paths)
end

.edit_argsObject


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# File 'Library/Homebrew/dev-cmd/edit.rb', line 9

def edit_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `edit` [<formula>]

      Open <formula> in the editor set by `EDITOR` or `HOMEBREW_EDITOR`, or open the
      Homebrew repository for editing if no formula is provided.
    EOS
  end
end

.ensure_relocation_formulae_installed!Object


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 96

def ensure_relocation_formulae_installed!
  Keg.relocation_formulae.each do |f|
    next if Formula[f].latest_version_installed?

    ohai "Installing #{f}..."
    safe_system HOMEBREW_BREW_FILE, "install", f
  end
end

.env_vars_manpageObject


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# File 'Library/Homebrew/dev-cmd/man.rb', line 208

def env_vars_manpage
  lines = Homebrew::EnvConfig::ENVS.flat_map do |env, hash|
    entry = "  * `#{env}`:\n    #{hash[:description]}\n"
    default = hash[:default_text]
    default ||= "`#{hash[:default]}`." if hash[:default]
    entry += "\n\n    *Default:* #{default}\n" if default

    entry
  end
  lines.join("\n")
end

.extractObject


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# File 'Library/Homebrew/dev-cmd/extract.rb', line 100

def extract
  args = extract_args.parse

  if args.named.first !~ HOMEBREW_TAP_FORMULA_REGEX
    name = args.named.first.downcase
    source_tap = CoreTap.instance
  else
    name = Regexp.last_match(3).downcase
    source_tap = Tap.fetch(Regexp.last_match(1), Regexp.last_match(2))
    raise TapFormulaUnavailableError.new(source_tap, name) unless source_tap.installed?
  end

  destination_tap = Tap.fetch(args.named.second)
  unless Homebrew::EnvConfig.developer?
    odie "Cannot extract formula to homebrew/core!" if destination_tap.core_tap?
    odie "Cannot extract formula to the same tap!" if destination_tap == source_tap
  end
  destination_tap.install unless destination_tap.installed?

  repo = source_tap.path
  pattern = if source_tap.core_tap?
    [repo/"Formula/#{name}.rb"]
  else
    # A formula can technically live in the root directory of a tap or in any of its subdirectories
    [repo/"#{name}.rb", repo/"**/#{name}.rb"]
  end

  if args.version
    ohai "Searching repository history"
    version = args.version
    version_segments = Gem::Version.new(version).segments if Gem::Version.correct?(version)
    rev = nil
    test_formula = nil
    result = ""
    loop do
      rev = rev.nil? ? "HEAD" : "#{rev}~1"
      rev, (path,) = Utils::Git.last_revision_commit_of_files(repo, pattern, before_commit: rev)
      if rev.nil? && source_tap.shallow?
        odie <<~EOS
          Could not find #{name} but #{source_tap} is a shallow clone!
          Try again after running:
            git -C "#{source_tap.path}" fetch --unshallow
        EOS
      elsif rev.nil?
        odie "Could not find #{name}! The formula or version may not have existed."
      end

      file = repo/path
      result = Utils::Git.last_revision_of_file(repo, file, before_commit: rev)
      if result.empty?
        odebug "Skipping revision #{rev} - file is empty at this revision"
        next
      end

      test_formula = formula_at_revision(repo, name, file, rev)
      break if test_formula.nil? || test_formula.version == version

      if version_segments && Gem::Version.correct?(test_formula.version)
        test_formula_version_segments = Gem::Version.new(test_formula.version).segments
        if version_segments.length < test_formula_version_segments.length
          odebug "Apply semantic versioning with #{test_formula_version_segments}"
          break if version_segments == test_formula_version_segments.first(version_segments.length)
        end
      end

      odebug "Trying #{test_formula.version} from revision #{rev} against desired #{version}"
    end
    odie "Could not find #{name}! The formula or version may not have existed." if test_formula.nil?
  else
    # Search in the root directory of <repo> as well as recursively in all of its subdirectories
    files = Dir[repo/"{,**/}"].map do |dir|
      Pathname.glob(["#{dir}/#{name}.rb"]).find(&:file?)
    end.compact

    if files.empty?
      ohai "Searching repository history"
      rev, (path,) = Utils::Git.last_revision_commit_of_files(repo, pattern)
      odie "Could not find #{name}! The formula or version may not have existed." if rev.nil?
      file = repo/path
      version = formula_at_revision(repo, name, file, rev).version
      result = Utils::Git.last_revision_of_file(repo, file)
    else
      file = files.first.realpath
      rev = "HEAD"
      version = Formulary.factory(file).version
      result = File.read(file)
    end
  end

  # The class name has to be renamed to match the new filename,
  # e.g. Foo version 1.2.3 becomes FooAT123 and resides in [email protected]
  class_name = Formulary.class_s(name)

  # Remove any existing version suffixes, as a new one will be added later
  name.sub!(/\[email protected](.*)\z\b/i, "")
  versioned_name = Formulary.class_s("#{name}@#{version}")
  result.sub!("class #{class_name} < Formula", "class #{versioned_name} < Formula")

  # Remove bottle blocks, they won't work.
  result.sub!(/  bottle do.+?end\n\n/m, "") if destination_tap != source_tap

  path = destination_tap.path/"Formula/#{name}@#{version}.rb"
  if path.exist?
    unless args.force?
      odie <<~EOS
        Destination formula already exists: #{path}
        To overwrite it and continue anyways, run:
          brew extract --force --version=#{version} #{name} #{destination_tap.name}
      EOS
    end
    odebug "Overwriting existing formula at #{path}"
    path.delete
  end
  ohai "Writing formula for #{name} from revision #{rev} to:"
  puts path
  path.write result
end

.extract_argsObject


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# File 'Library/Homebrew/dev-cmd/extract.rb', line 80

def extract_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `extract` [<options>] <formula> <tap>

      Look through repository history to find the most recent version of <formula> and
      create a copy in <tap>`/Formula/`<formula>`@`<version>`.rb`. If the tap is not
      installed yet, attempt to install/clone the tap before continuing. To extract
      a formula from a tap that is not `homebrew/core` use its fully-qualified form of
      <user>`/`<repo>`/`<formula>.
    EOS
    flag   "--version=",
           description: "Extract the specified <version> of <formula> instead of the most recent."
    switch "-f", "--force",
           description: "Overwrite the destination formula if it already exists."

    named 2
  end
end

.failed?Boolean

Returns:

  • (Boolean)

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# File 'Library/Homebrew/global.rb', line 86

def failed?
  @failed ||= false
  @failed == true
end

.fetchObject


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# File 'Library/Homebrew/cmd/fetch.rb', line 48

def fetch
  args = fetch_args.parse

  if args.deps?
    bucket = []
    args.named.to_formulae.each do |f|
      bucket << f
      bucket.concat f.recursive_dependencies.map(&:to_formula)
    end
    bucket.uniq!
  else
    bucket = args.named.to_formulae
  end

  puts "Fetching: #{bucket * ", "}" if bucket.size > 1
  bucket.each do |f|
    f.print_tap_action verb: "Fetching"

    fetched_bottle = false
    if fetch_bottle?(f, args: args)
      begin
        fetch_formula(f.bottle, args: args)
      rescue Interrupt
        raise
      rescue => e
        raise if Homebrew::EnvConfig.developer?

        fetched_bottle = false
        onoe e.message
        opoo "Bottle fetch failed: fetching the source."
      else
        fetched_bottle = true
      end
    end

    next if fetched_bottle

    fetch_formula(f, args: args)

    f.resources.each do |r|
      fetch_resource(r, args: args)
      r.patches.each { |p| fetch_patch(p, args: args) if p.external? }
    end

    f.patchlist.each { |p| fetch_patch(p, args: args) if p.external? }
  end
end

.fetch_argsObject


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# File 'Library/Homebrew/cmd/fetch.rb', line 12

def fetch_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `fetch` [<options>] <formula>

      Download a bottle (if available) or source packages for <formula>.
      For tarballs, also print SHA-256 checksums.
    EOS
    switch "--HEAD",
           description: "Fetch HEAD version instead of stable version."
    switch "--devel",
           description: "Fetch development version instead of stable version."
    switch "-f", "--force",
           description: "Remove a previously cached version and re-fetch."
    switch "-v", "--verbose",
           description: "Do a verbose VCS checkout, if the URL represents a VCS. This is useful for "\
                        "seeing if an existing VCS cache has been updated."
    switch "--retry",
           description: "Retry if downloading fails or re-download if the checksum of a previously cached "\
                        "version no longer matches."
    switch "--deps",
           description: "Also download dependencies for any listed <formula>."
    switch "-s", "--build-from-source",
           description: "Download source packages rather than a bottle."
    switch "--build-bottle",
           description: "Download source packages (for eventual bottling) rather than a bottle."
    switch "--force-bottle",
           description: "Download a bottle if it exists for the current or newest version of macOS, "\
                        "even if it would not be used during installation."

    conflicts "--devel", "--HEAD"
    conflicts "--build-from-source", "--build-bottle", "--force-bottle"
    min_named :formula
  end
end

.fetch_fetchable(f, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/fetch.rb', line 130

def fetch_fetchable(f, args:)
  f.clear_cache if args.force?

  already_fetched = f.cached_download.exist?

  begin
    download = f.fetch(verify_download_integrity: false)
  rescue DownloadError
    retry if retry_fetch?(f, args: args)
    raise
  end

  return unless download.file?

  puts "Downloaded to: #{download}" unless already_fetched
  puts Checksum::TYPES.map { |t| "#{t.to_s.upcase}: #{download.send(t)}" }

  f.verify_download_integrity(download)
end

.fetch_formula(f, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/fetch.rb', line 104

def fetch_formula(f, args:)
  fetch_fetchable f, args: args
rescue ChecksumMismatchError => e
  retry if retry_fetch?(f, args: args)
  opoo "Formula reports different #{e.hash_type}: #{e.expected}"
end

.fetch_patch(p, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/fetch.rb', line 111

def fetch_patch(p, args:)
  fetch_fetchable p, args: args
rescue ChecksumMismatchError => e
  Homebrew.failed = true
  opoo "Patch reports different #{e.hash_type}: #{e.expected}"
end

.fetch_resource(formula, new_version, url, **specs) ⇒ Object


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# File 'Library/Homebrew/cmd/fetch.rb', line 96

def fetch_resource(r, args:)
  puts "Resource: #{r.name}"
  fetch_fetchable r, args: args
rescue ChecksumMismatchError => e
  retry if retry_fetch?(r, args: args)
  opoo "Resource #{r.name} reports different #{e.hash_type}: #{e.expected}"
end

.files_changed_in_patch(patchfile, tap) ⇒ Object

List files changed by a patch, partitioned in to those that are (probably) formula definitions, and those which aren't. Only applies to patches on Homebrew core or taps, based simply on relative pathnames of affected files.


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 257

def files_changed_in_patch(patchfile, tap)
  files = []
  formulae = []
  others = []
  File.foreach(patchfile) do |line|
    files << Regexp.last_match(1) if line =~ %r{^\+\+\+ b/(.*)}
  end
  files.each do |file|
    if tap&.formula_file?(file)
      formula_name = File.basename(file, ".rb")
      formulae << formula_name unless formulae.include?(formula_name)
    else
      others << file
    end
  end
  { files: files, formulae: formulae, others: others }
end

.filtered_list(args:) ⇒ Object


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# File 'Library/Homebrew/cmd/list.rb', line 140

def filtered_list(args:)
  names = if args.no_named?
    Formula.racks
  else
    racks = args.named.map { |n| Formulary.to_rack(n) }
    racks.select do |rack|
      Homebrew.failed = true unless rack.exist?
      rack.exist?
    end
  end
  if args.pinned?
    pinned_versions = {}
    names.sort.each do |d|
      keg_pin = (HOMEBREW_PINNED_KEGS/d.basename.to_s)
      pinned_versions[d] = keg_pin.readlink.basename.to_s if keg_pin.exist? || keg_pin.symlink?
    end
    pinned_versions.each do |d, version|
      puts d.basename.to_s.concat(args.versions? ? " #{version}" : "")
    end
  else # --versions without --pinned
    names.sort.each do |d|
      versions = d.subdirs.map { |pn| pn.basename.to_s }
      next if args.multiple? && versions.length < 2

      puts "#{d.basename} #{versions * " "}"
    end
  end
end

.find_in_path(executable) ⇒ Object


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# File 'Library/Homebrew/utils/gems.rb', line 86

def find_in_path(executable)
  ENV["PATH"].split(":").find do |path|
    File.executable?("#{path}/#{executable}")
  end
end

.force_auto_update?(args:) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'Library/Homebrew/cmd/tap.rb', line 76

def force_auto_update?(args:)
  # if no relevant flag is present, return nil, meaning "no change"
  true if args.force_auto_update?
end

.format_long_opt(opt) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 232

def format_long_opt(opt)
  "`#{opt}`" unless opt.nil?
end

.format_problem_lines(problems) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/audit.rb', line 171

def format_problem_lines(problems)
  problems.uniq.map { |p| "* #{p.chomp.gsub("\n", "\n    ")}" }
end

.format_short_opt(opt) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 228

def format_short_opt(opt)
  "`#{opt}`" unless opt.nil?
end

.format_usage_banner(usage_banner) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 236

def format_usage_banner(usage_banner)
  usage_banner&.sub(/^(#: *\* )?/, "### ")
end

.formulaObject


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# File 'Library/Homebrew/dev-cmd/formula.rb', line 21

def formula
  args = formula_args.parse

  args.named.to_formulae_paths.each(&method(:puts))
end

.formula_argsObject


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# File 'Library/Homebrew/dev-cmd/formula.rb', line 9

def formula_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `formula` <formula>

      Display the path where <formula> is located.
    EOS

    min_named :formula
  end
end

.formula_version(formula, spec, contents = nil) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 453

def formula_version(formula, spec, contents = nil)
  name = formula.name
  path = formula.path
  if contents
    Formulary.from_contents(name, path, contents, spec).version
  else
    Formulary::FormulaLoader.new(name, path).get_formula(spec).version
  end
end

.formulae_need_bottles?(tap, original_commit, args:) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'Library/Homebrew/dev-cmd/pr-pull.rb', line 144

def formulae_need_bottles?(tap, original_commit, args:)
  return if args.dry_run?

  changed_formulae(tap, original_commit).any? do |f|
    !f.bottle_unneeded? && !f.bottle_disabled?
  end
end

.gem_user_bindirObject


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# File 'Library/Homebrew/utils/gems.rb', line 19

def gem_user_bindir
  require "rubygems"
  "#{Gem.user_dir}/bin"
end

.generate_cmd_manpages(cmd_paths) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 145

def generate_cmd_manpages(cmd_paths)
  man_page_lines = []

  # preserve existing manpage order
  cmd_paths.sort_by(&method(:sort_key_for_path))
           .each do |cmd_path|
    cmd_man_page_lines = if cmd_parser = CLI::Parser.from_cmd_path(cmd_path)
      next if cmd_parser.hide_from_man_page

      cmd_parser_manpage_lines(cmd_parser).join
    else
      cmd_comment_manpage_lines(cmd_path)
    end

    man_page_lines << cmd_man_page_lines
  end

  man_page_lines.compact.join("\n")
end

.generate_option_doc(short, long, desc) ⇒ Object


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# File 'Library/Homebrew/dev-cmd/man.rb', line 220

def generate_option_doc(short, long, desc)
  comma = (short && long) ? ", " : ""
  <<~EOS
    * #{format_short_opt(short)}#{comma}#{format_long_opt(long)}:
      #{desc}
  EOS
end

.gist_logsObject


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 139

def gist_logs
  args = gist_logs_args.parse

  Install.perform_preinstall_checks(all_fatal: true)
  Install.perform_build_from_source_checks(all_fatal: true)
  gistify_logs(args.named.to_resolved_formulae.first, args: args)
end

.gist_logs_argsObject


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 15

def gist_logs_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `gist-logs` [<options>] <formula>

      Upload logs for a failed build of <formula> to a new Gist. Presents an
      error message if no logs are found.
    EOS
    switch "--with-hostname",
           description: "Include the hostname in the Gist."
    switch "-n", "--new-issue",
           description: "Automatically create a new issue in the appropriate GitHub repository "\
                        "after creating the Gist."
    switch "-p", "--private",
           description: "The Gist will be marked private and will not appear in listings but will "\
                        "be accessible with its link."

    named :formula
  end
end

.gistify_logs(f, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 36

def gistify_logs(f, args:)
  files = load_logs(f.logs)
  build_time = f.logs.ctime
  timestamp = build_time.strftime("%Y-%m-%d_%H-%M-%S")

  s = StringIO.new
  SystemConfig.dump_verbose_config s
  # Dummy summary file, asciibetically first, to control display title of gist
  files["# #{f.name} - #{timestamp}.txt"] = { content: brief_build_info(f, with_hostname: args.with_hostname?) }
  files["00.config.out"] = { content: s.string }
  files["00.doctor.out"] = { content: Utils.popen_read("#{HOMEBREW_PREFIX}/bin/brew", "doctor", err: :out) }
  unless f.core_formula?
    tap = <<~EOS
      Formula: #{f.name}
          Tap: #{f.tap}
         Path: #{f.path}
    EOS
    files["00.tap.out"] = { content: tap }
  end

  if GitHub.api_credentials_type == :none
    puts <<~EOS
      You can create a new personal access token:
        #{GitHub::ALL_SCOPES_URL}
      #{Utils::Shell.set_variable_in_profile("HOMEBREW_GITHUB_API_TOKEN", "your_token_here")}

    EOS
    login!
  end

  # Description formatted to work well as page title when viewing gist
  descr = if f.core_formula?
    "#{f.name} on #{OS_VERSION} - Homebrew build logs"
  else
    "#{f.name} (#{f.full_name}) on #{OS_VERSION} - Homebrew build logs"
  end
  url = create_gist(files, descr, private: args.private?)

  url = create_issue(f.tap, "#{f.name} failed to build on #{MacOS.full_version}", url) if args.new_issue?

  puts url if url
end

.git_log(cd_dir, path = nil, tap = nil, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/log.rb', line 48

def git_log(cd_dir, path = nil, tap = nil, args:)
  cd cd_dir
  repo = Utils.popen_read("git rev-parse --show-toplevel").chomp
  if tap
    name = tap.to_s
    git_cd = "$(brew --repo #{tap})"
  elsif cd_dir == HOMEBREW_REPOSITORY
    name = "Homebrew/brew"
    git_cd = "$(brew --repo)"
  else
    name, git_cd = cd_dir
  end

  if File.exist? "#{repo}/.git/shallow"
    opoo <<~EOS
      #{name} is a shallow clone so only partial output will be shown.
      To get a full clone run:
        git -C "#{git_cd}" fetch --unshallow
    EOS
  end

  git_args = []
  git_args << "--patch" if args.patch?
  git_args << "--stat" if args.stat?
  git_args << "--oneline" if args.oneline?
  git_args << "-1" if args.public_send(:'1?')
  git_args << "--max-count" << args.max_count if args.max_count
  git_args += ["--follow", "--", path] if path.present?
  system "git", "log", *git_args
end

.github_info(f) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 150

def github_info(f)
  if f.tap
    if remote = f.tap.remote
      path = f.path.relative_path_from(f.tap.path)
      github_remote_path(remote, path)
    else
      f.path
    end
  else
    f.path
  end
end

.github_remote_path(remote, path) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 142

def github_remote_path(remote, path)
  if remote =~ %r{^(?:https?://|git(?:@|://))github\.com[:/](.+)/(.+?)(?:\.git)?$}
    "https://github.com/#{Regexp.last_match(1)}/#{Regexp.last_match(2)}/blob/HEAD/#{path}"
  else
    "#{remote}/#{path}"
  end
end

.global_options_manpageObject


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# File 'Library/Homebrew/dev-cmd/man.rb', line 200

def global_options_manpage
  lines = ["These options are applicable across multiple subcommands.\n"]
  lines += Homebrew::CLI::Parser.global_options.map do |short, long, desc|
    generate_option_doc(short, long, desc)
  end
  lines.join("\n")
end

.handle_unsatisfied_dependents(kegs_by_rack, ignore_dependencies: false, named_args: []) ⇒ Object


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# File 'Library/Homebrew/cmd/uninstall.rb', line 148

def handle_unsatisfied_dependents(kegs_by_rack, ignore_dependencies: false, named_args: [])
  return if ignore_dependencies

  all_kegs = kegs_by_rack.values.flatten(1)
  check_for_dependents(all_kegs, named_args: named_args)
rescue MethodDeprecatedError
  # Silently ignore deprecations when uninstalling.
  nil
end

.homeObject


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# File 'Library/Homebrew/cmd/home.rb', line 19

def home
  args = home_args.parse

  if args.no_named?
    exec_browser HOMEBREW_WWW
    return
  end

  homepages = args.named.to_formulae_and_casks.map do |formula_or_cask|
    puts "Opening homepage for #{name_of(formula_or_cask)}"
    formula_or_cask.homepage
  end

  exec_browser(*homepages)
end

.home_argsObject


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# File 'Library/Homebrew/cmd/home.rb', line 8

def home_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `home` [<formula>]

      Open <formula>'s homepage in a browser, or open Homebrew's own homepage
      if no formula is provided.
    EOS
  end
end

.infoObject


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# File 'Library/Homebrew/cmd/info.rb', line 63

def info
  args = info_args.parse

  if args.days.present?
    raise UsageError, "--days must be one of #{VALID_DAYS.join(", ")}" unless VALID_DAYS.include?(args.days)
  end

  if args.category.present?
    if args.named.present? && !VALID_FORMULA_CATEGORIES.include?(args.category)
      raise UsageError, "--category must be one of #{VALID_FORMULA_CATEGORIES.join(", ")} when querying formulae"
    end

    unless VALID_CATEGORIES.include?(args.category)
      raise UsageError, "--category must be one of #{VALID_CATEGORIES.join(", ")}"
    end
  end

  if args.json
    raise UsageError, "invalid JSON version: #{args.json}" unless ["v1", true].include? args.json

    if !(args.all? || args.installed?) && args.no_named?
      raise FormulaUnspecifiedError if args.no_named?
    end

    print_json(args: args)
  elsif args.github?
    raise FormulaUnspecifiedError if args.no_named?

    exec_browser(*args.named.to_formulae.map { |f| github_info(f) })
  else
    print_info(args: args)
  end
end

.info_argsObject


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# File 'Library/Homebrew/cmd/info.rb', line 20

def info_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `info` [<options>] [<formula>]

      Display brief statistics for your Homebrew installation.

      If <formula> is provided, show summary of information about <formula>.
    EOS
    switch "--analytics",
           description: "List global Homebrew analytics data or, if specified, installation and "\
                        "build error data for <formula> (provided neither `HOMEBREW_NO_ANALYTICS` "\
                        "nor `HOMEBREW_NO_GITHUB_API` are set)."
    flag   "--days=",
           depends_on:  "--analytics",
           description: "How many days of analytics data to retrieve. "\
                        "The value for <days> must be `30`, `90` or `365`. The default is `30`."
    flag   "--category=",
           depends_on:  "--analytics",
           description: "Which type of analytics data to retrieve. "\
                        "The value for <category> must be `install`, `install-on-request` or `build-error`; "\
                        "`cask-install` or `os-version` may be specified if <formula> is not. "\
                        "The default is `install`."
    switch "--github",
           description: "Open the GitHub source page for <formula> in a browser. "\
                        "To view formula history locally: `brew log -p` <formula>"
    flag   "--json",
           description: "Print a JSON representation of <formula>. Currently the default and only accepted "\
                        "value for <version> is `v1`. See the docs for examples of using the JSON "\
                        "output: <https://docs.brew.sh/Querying-Brew>"
    switch "--installed",
           depends_on:  "--json",
           description: "Print JSON of formulae that are currently installed."
    switch "--all",
           depends_on:  "--json",
           description: "Print JSON of all available formulae."
    switch "-v", "--verbose",
           description: "Show more verbose analytics data for <formula>."

    conflicts "--installed", "--all"
  end
end

.info_formula(f, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/info.rb', line 163

def info_formula(f, args:)
  specs = []

  if stable = f.stable
    s = "stable #{stable.version}"
    s += " (bottled)" if stable.bottled?
    specs << s
  end

  if devel = f.devel
    specs << "devel #{devel.version}"
  end

  specs << "HEAD" if f.head

  attrs = []
  attrs << "pinned at #{f.pinned_version}" if f.pinned?
  attrs << "keg-only" if f.keg_only?

  puts "#{f.full_name}: #{specs * ", "}#{" [#{attrs * ", "}]" unless attrs.empty?}"
  puts f.desc if f.desc
  puts Formatter.url(f.homepage) if f.homepage

  conflicts = f.conflicts.map do |c|
    reason = " (because #{c.reason})" if c.reason
    "#{c.name}#{reason}"
  end.sort!
  unless conflicts.empty?
    puts <<~EOS
      Conflicts with:
        #{conflicts.join("\n  ")}
    EOS
  end

  kegs = f.installed_kegs
  heads, versioned = kegs.partition { |k| k.version.head? }
  kegs = [
    *heads.sort_by { |k| -Tab.for_keg(k).time.to_i },
    *versioned.sort_by(&:version),
  ]
  if kegs.empty?
    puts "Not installed"
  else
    kegs.each do |keg|
      puts "#{keg} (#{keg.abv})#{" *" if keg.linked?}"
      tab = Tab.for_keg(keg).to_s
      puts "  #{tab}" unless tab.empty?
    end
  end

  puts "From: #{Formatter.url(github_info(f))}"

  puts "License: #{SPDX.license_expression_to_string f.license}" if f.license.present?

  unless f.deps.empty?
    ohai "Dependencies"
    %w[build required recommended optional].map do |type|
      deps = f.deps.send(type).uniq
      puts "#{type.capitalize}: #{decorate_dependencies deps}" unless deps.empty?
    end
  end

  unless f.requirements.to_a.empty?
    ohai "Requirements"
    %w[build required recommended optional].map do |type|
      reqs = f.requirements.select(&:"#{type}?")
      next if reqs.to_a.empty?

      puts "#{type.capitalize}: #{decorate_requirements(reqs)}"
    end
  end

  if !f.options.empty? || f.head || f.devel
    ohai "Options"
    Options.dump_for_formula f
  end

  caveats = Caveats.new(f)
  ohai "Caveats", caveats.to_s unless caveats.empty?

  Utils::Analytics.formula_output(f, args: args)
end

.inject_dump_stats!(the_module, pattern) ⇒ Object

rubocop:disable Style/GlobalVars


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# File 'Library/Homebrew/utils.rb', line 49

def inject_dump_stats!(the_module, pattern)
  @injected_dump_stat_modules ||= {}
  @injected_dump_stat_modules[the_module] ||= []
  injected_methods = @injected_dump_stat_modules[the_module]
  the_module.module_eval do
    instance_methods.grep(pattern).each do |name|
      next if injected_methods.include? name

      method = instance_method(name)
      define_method(name) do |*args, &block|
        time = Time.now
        method.bind(self).call(*args, &block)
      ensure
        $times[name] ||= 0
        $times[name] += Time.now - time
      end
    end
  end

  return unless $times.nil?

  $times = {}
  at_exit do
    col_width = [$times.keys.map(&:size).max.to_i + 2, 15].max
    $times.sort_by { |_k, v| v }.each do |method, time|
      puts format("%<method>-#{col_width}s %<time>0.4f sec", method: "#{method}:", time: time)
    end
  end
end

.installObject


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# File 'Library/Homebrew/cmd/install.rb', line 96

def install
  args = install_args.parse

  args.named.each do |name|
    next if File.exist?(name)
    next if name !~ HOMEBREW_TAP_FORMULA_REGEX && name !~ HOMEBREW_CASK_TAP_CASK_REGEX

    tap = Tap.fetch(Regexp.last_match(1), Regexp.last_match(2))
    tap.install unless tap.installed?
  end

  if args.ignore_dependencies?
    opoo <<~EOS
      #{Tty.bold}--ignore-dependencies is an unsupported Homebrew developer flag!#{Tty.reset}
      Adjust your PATH to put any preferred versions of applications earlier in the
      PATH rather than using this unsupported flag!

    EOS
  end

  formulae = []

  unless args.named.homebrew_tap_cask_names.empty?
    cask_args = []
    cask_args << "--force" if args.force?
    cask_args << "--debug" if args.debug?
    cask_args << "--verbose" if args.verbose?

    args.named.homebrew_tap_cask_names.each do |c|
      ohai "brew cask install #{c} #{cask_args.join " "}"
      system("#{HOMEBREW_PREFIX}/bin/brew", "cask", "install", c, *cask_args)
    end
  end

  # if the user's flags will prevent bottle only-installations when no
  # developer tools are available, we need to stop them early on
  FormulaInstaller.prevent_build_flags(args)

  args.named.to_formulae.each do |f|
    # head-only without --HEAD is an error
    if !args.HEAD? && f.stable.nil? && f.devel.nil?
      raise <<~EOS
        #{f.full_name} is a head-only formula
        Install with `brew install --HEAD #{f.full_name}`
      EOS
    end

    # devel-only without --devel is an error
    if !args.devel? && f.stable.nil? && f.head.nil?
      raise <<~EOS
        #{f.full_name} is a devel-only formula
        Install with `brew install --devel #{f.full_name}`
      EOS
    end

    if !(args.HEAD? || args.devel?) && f.stable.nil?
      raise "#{f.full_name} has no stable download, please choose --devel or --HEAD"
    end

    # --HEAD, fail with no head defined
    raise "No head is defined for #{f.full_name}" if args.HEAD? && f.head.nil?

    # --devel, fail with no devel defined
    raise "No devel block is defined for #{f.full_name}" if args.devel? && f.devel.nil?

    installed_head_version = f.latest_head_version
    if installed_head_version &&
       !f.head_version_outdated?(installed_head_version, fetch_head: args.fetch_HEAD?)
      new_head_installed = true
    end
    prefix_installed = f.prefix.exist? && !f.prefix.children.empty?

    if f.keg_only? && f.any_version_installed? && f.optlinked? && !args.force?
      # keg-only install is only possible when no other version is
      # linked to opt, because installing without any warnings can break
      # dependencies. Therefore before performing other checks we need to be
      # sure --force flag is passed.
      if f.outdated?
        optlinked_version = Keg.for(f.opt_prefix).version
        onoe <<~EOS
          #{f.full_name} #{optlinked_version} is already installed
          To upgrade to #{f.version}, run `brew upgrade #{f.full_name}`
        EOS
      elsif args.only_dependencies?
        formulae << f
      else
        opoo <<~EOS
          #{f.full_name} #{f.pkg_version} is already installed and up-to-date
          To reinstall #{f.pkg_version}, run `brew reinstall #{f.name}`
        EOS
      end
    elsif (args.HEAD? && new_head_installed) || prefix_installed
      # After we're sure that --force flag is passed for linked to opt
      # keg-only we need to be sure that the version we're attempting to
      # install is not already installed.

      installed_version = if args.HEAD?
        f.latest_head_version
      else
        f.pkg_version
      end

      msg = "#{f.full_name} #{installed_version} is already installed"
      linked_not_equals_installed = f.linked_version != installed_version
      if f.linked? && linked_not_equals_installed
        msg = <<~EOS
          #{msg}
          The currently linked version is #{f.linked_version}
          You can use `brew switch #{f} #{installed_version}` to link this version.
        EOS
      elsif !f.linked? || f.keg_only?
        msg = <<~EOS
          #{msg}, it's just not linked
          You can use `brew link #{f}` to link this version.
        EOS
      elsif args.only_dependencies?
        msg = nil
        formulae << f
      else
        msg = <<~EOS
          #{msg} and up-to-date
          To reinstall #{f.pkg_version}, run `brew reinstall #{f.name}`
        EOS
      end
      opoo msg if msg
    elsif !f.any_version_installed? && old_formula = f.old_installed_formulae.first
      msg = "#{old_formula.full_name} #{old_formula.installed_version} already installed"
      if !old_formula.linked? && !old_formula.keg_only?
        msg = <<~EOS
          #{msg}, it's just not linked.
          You can use `brew link #{old_formula.full_name}` to link this version.
        EOS
      end
      opoo msg
    elsif f.migration_needed? && !args.force?
      # Check if the formula we try to install is the same as installed
      # but not migrated one. If --force is passed then install anyway.
      opoo <<~EOS
        #{f.oldname} is already installed, it's just not migrated
        You can migrate this formula with `brew migrate #{f}`
        Or you can force install it with `brew install #{f} --force`
      EOS
    else
      # If none of the above is true and the formula is linked, then
      # FormulaInstaller will handle this case.
      formulae << f
    end

    # Even if we don't install this formula mark it as no longer just
    # installed as a dependency.
    next unless f.opt_prefix.directory?

    keg = Keg.new(f.opt_prefix.resolved_path)
    tab = Tab.for_keg(keg)
    unless tab.installed_on_request
      tab.installed_on_request = true
      tab.write
    end
  end

  return if formulae.empty?

  Install.perform_preinstall_checks(cc: args.cc)

  formulae.each do |f|
    Migrator.migrate_if_needed(f, force: args.force?)
    install_formula(f, args: args)
    Cleanup.install_formula_clean!(f)
  end

  Upgrade.check_installed_dependents(args: args)

  Homebrew.messages.display_messages(display_times: args.display_times?)
rescue FormulaUnreadableError, FormulaClassUnavailableError,
       TapFormulaUnreadableError, TapFormulaClassUnavailableError => e
  # Need to rescue before `FormulaUnavailableError` (superclass of this)
  # is handled, as searching for a formula doesn't make sense here (the
  # formula was found, but there's a problem with its implementation).
  $stderr.puts e.backtrace if Homebrew::EnvConfig.developer?
  ofail e.message
rescue FormulaUnavailableError => e
  if e.name == "updog"
    ofail "What's updog?"
    return
  end

  ofail e.message
  if (reason = MissingFormula.reason(e.name))
    $stderr.puts reason
    return
  end

  ohai "Searching for similarly named formulae..."
  formulae_search_results = search_formulae(e.name)
  case formulae_search_results.length
  when 0
    ofail "No similarly named formulae found."
  when 1
    puts "This similarly named formula was found:"
    puts formulae_search_results
    puts "To install it, run:\n  brew install #{formulae_search_results.first}"
  else
    puts "These similarly named formulae were found:"
    puts Formatter.columns(formulae_search_results)
    puts "To install one of them, run (for example):\n  brew install #{formulae_search_results.first}"
  end

  # Do not search taps if the formula name is qualified
  return if e.name.include?("/")

  ohai "Searching taps..."
  taps_search_results = search_taps(e.name)[:formulae]
  case taps_search_results.length
  when 0
    ofail "No formulae found in taps."
  when 1
    puts "This formula was found in a tap:"
    puts taps_search_results
    puts "To install it, run:\n  brew install #{taps_search_results.first}"
  else
    puts "These formulae were found in taps:"
    puts Formatter.columns(taps_search_results)
    puts "To install one of them, run (for example):\n  brew install #{taps_search_results.first}"
  end
end

.install_argsObject


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# File 'Library/Homebrew/cmd/install.rb', line 17

def install_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `install` [<options>] <formula>

      Install <formula>. Additional options specific to <formula> may be appended to the command.

      Unless `HOMEBREW_NO_INSTALL_CLEANUP` is set, `brew cleanup` will then be run for the
      installed formulae or, every 30 days, for all formulae.
    EOS
    switch "-d", "--debug",
           description: "If brewing fails, open an interactive debugging session with access to IRB "\
                        "or a shell inside the temporary build directory."
    flag   "--env=",
           description: "If `std` is passed, use the standard build environment instead of superenv. "\
                        "If `super` is passed, use superenv even if the formula specifies the "\
                        "standard build environment."
    switch "--ignore-dependencies",
           description: "An unsupported Homebrew development flag to skip installing any dependencies of "\
                        "any kind. If the dependencies are not already present, the formula will have issues. "\
                        "If you're not developing Homebrew, consider adjusting your PATH rather than "\
                        "using this flag."
    switch "--only-dependencies",
           description: "Install the dependencies with specified options but do not install the "\
                        "formula itself."
    flag   "--cc=",
           description: "Attempt to compile using the specified <compiler>, which should be the "\
                        "name of the compiler's executable, e.g. `gcc-7` for GCC 7. "\
                        "In order to use LLVM's clang, specify `llvm_clang`. To use the "\
                        "Apple-provided clang, specify `clang`. This option will only accept "\
                        "compilers that are provided by Homebrew or bundled with macOS. "\
                        "Please do not file issues if you encounter errors while using this option."
    switch "-s", "--build-from-source",
           description: "Compile <formula> from source even if a bottle is provided. "\
                        "Dependencies will still be installed from bottles if they are available."
    switch "--force-bottle",
           description: "Install from a bottle if it exists for the current or newest version of "\
                        "macOS, even if it would not normally be used for installation."
    switch "--include-test",
           description: "Install testing dependencies required to run `brew test` <formula>."
    switch "--devel",
           description: "If <formula> defines it, install the development version."
    switch "--HEAD",
           description: "If <formula> defines it, install the HEAD version, aka. master, trunk, unstable."
    switch "--fetch-HEAD",
           description: "Fetch the upstream repository to detect if the HEAD installation of the "\
                        "formula is outdated. Otherwise, the repository's HEAD will only be checked for "\
                        "updates when a new stable or development version has been released."
    switch "--keep-tmp",
           description: "Retain the temporary files created during installation."
    switch "--build-bottle",
           description: "Prepare the formula for eventual bottling during installation, skipping any "\
                        "post-install steps."
    flag   "--bottle-arch=",
           depends_on:  "--build-bottle",
           description: "Optimise bottles for the specified architecture rather than the oldest "\
                        "architecture supported by the version of macOS the bottles are built on."
    switch "-f", "--force",
           description: "Install without checking for previously installed keg-only or "\
                        "non-migrated versions."
    switch "-v", "--verbose",
           description: "Print the verification and postinstall steps."
    switch "--display-times",
           env:         :display_install_times,
           description: "Print install times for each formula at the end of the run."
    switch "-i", "--interactive",
           description: "Download and patch <formula>, then open a shell. This allows the user to "\
                        "run `./configure --help` and otherwise determine how to turn the software "\
                        "package into a Homebrew package."
    switch "-g", "--git",
           description: "Create a Git repository, useful for creating patches to the software."
    conflicts "--ignore-dependencies", "--only-dependencies"
    conflicts "--devel", "--HEAD"
    conflicts "--build-from-source", "--build-bottle", "--force-bottle"
    formula_options
    min_named :formula
  end
end

.install_bundler!Object


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# File 'Library/Homebrew/utils/gems.rb', line 92

def install_bundler!
  require "rubygems"
  setup_gem_environment!(gem_home: Gem.user_dir, gem_bindir: gem_user_bindir)
  install_gem_setup_path!(
    "bundler",
    version:               HOMEBREW_BUNDLER_VERSION,
    executable:            "bundle",
    setup_gem_environment: false,
  )
end

.install_bundler_gemsObject


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# File 'Library/Homebrew/dev-cmd/install-bundler-gems.rb', line 21

def install_bundler_gems
  install_bundler_gems_args.parse

  Homebrew.install_bundler_gems!
end

.install_bundler_gems!Object


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# File 'Library/Homebrew/utils/gems.rb', line 103

def install_bundler_gems!
  install_bundler!

  ENV["BUNDLE_GEMFILE"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/Gemfile"
  @bundle_installed ||= begin
    bundle = "#{find_in_path(:bundle)}/bundle"
    bundle_check_output = `#{bundle} check 2>&1`
    bundle_check_failed = !$CHILD_STATUS.success?

    # for some reason sometimes the exit code lies so check the output too.
    if bundle_check_failed || bundle_check_output.include?("Install missing gems")
      unless system bundle, "install"
        odie_if_defined <<~EOS
          failed to run `#{bundle} install`!
        EOS
      end
    else
      true
    end
  end

  setup_gem_environment!
end

.install_bundler_gems_argsObject


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# File 'Library/Homebrew/dev-cmd/install-bundler-gems.rb', line 9

def install_bundler_gems_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `install-bundler-gems`

      Install Homebrew's Bundler gems.
    EOS

    max_named 0
  end
end

.install_core_tap_if_necessaryObject


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# File 'Library/Homebrew/cmd/update-report.rb', line 141

def install_core_tap_if_necessary
  return if ENV["HOMEBREW_UPDATE_TEST"]

  core_tap = CoreTap.instance
  return if core_tap.installed?

  CoreTap.ensure_installed!
  revision = core_tap.git_head
  ENV["HOMEBREW_UPDATE_BEFORE_HOMEBREW_HOMEBREW_CORE"] = revision
  ENV["HOMEBREW_UPDATE_AFTER_HOMEBREW_HOMEBREW_CORE"] = revision
end

.install_formula(f, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/install.rb', line 322

def install_formula(f, args:)
  f.print_tap_action
  build_options = f.build

  fi = FormulaInstaller.new(f, force_bottle:               args.force_bottle?,
                               include_test_formulae:      args.include_test_formulae,
                               build_from_source_formulae: args.build_from_source_formulae,
                               debug: args.debug?, quiet: args.quiet?, verbose: args.verbose?)
  fi.options              = build_options.used_options
  fi.env                  = args.env
  fi.force                = args.force?
  fi.keep_tmp             = args.keep_tmp?
  fi.ignore_deps          = args.ignore_dependencies?
  fi.only_deps            = args.only_dependencies?
  fi.build_bottle         = args.build_bottle?
  fi.bottle_arch          = args.bottle_arch
  fi.interactive          = args.interactive?
  fi.git                  = args.git?
  fi.cc                   = args.cc
  fi.prelude
  fi.fetch
  fi.install
  fi.finish
rescue FormulaInstallationAlreadyAttemptedError
  # We already attempted to install f as part of the dependency tree of
  # another formula. In that case, don't generate an error, just move on.
  nil
rescue CannotInstallFormulaError => e
  ofail e.message
end

.install_gem!(name, version: nil, setup_gem_environment: true) ⇒ Object


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# File 'Library/Homebrew/utils/gems.rb', line 65

def install_gem!(name, version: nil, setup_gem_environment: true)
  setup_gem_environment! if setup_gem_environment
  return unless Gem::Specification.find_all_by_name(name, version).empty?

  ohai_if_defined "Installing '#{name}' gem"
  # document: [] , is equivalent to --no-document
  Gem.install name, version, document: []
rescue Gem::UnsatisfiableDependencyError
  odie_if_defined "failed to install the '#{name}' gem."
end

.install_gem_setup_path!(name, version: nil, executable: name, setup_gem_environment: true) ⇒ Object


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# File 'Library/Homebrew/utils/gems.rb', line 76

def install_gem_setup_path!(name, version: nil, executable: name, setup_gem_environment: true)
  install_gem!(name, version: version, setup_gem_environment: setup_gem_environment)
  return if find_in_path(executable)

  odie_if_defined <<~EOS
    the '#{name}' gem is installed but couldn't find '#{executable}' in the PATH:
      #{ENV["PATH"]}
  EOS
end

.intersection_of_dependents(use_runtime_dependents, used_formulae, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/uses.rb', line 82

def intersection_of_dependents(use_runtime_dependents, used_formulae, args:)
  recursive = args.recursive?
  includes, ignores = args_includes_ignores(args)

  if use_runtime_dependents
    used_formulae.map(&:runtime_installed_formula_dependents)
                 .reduce(&:&)
                 .select(&:any_version_installed?) +
      select_used_dependents(dependents(Cask::Caskroom.casks), used_formulae, recursive, includes, ignores)
  else
    deps = if args.installed?
      dependents(Formula.installed + Cask::Caskroom.casks)
    else
      dependents(Formula.to_a + Cask::Cask.to_a)
    end

    select_used_dependents(deps, used_formulae, recursive, includes, ignores)
  end
end

.irbObject


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# File 'Library/Homebrew/dev-cmd/irb.rb', line 35

def irb
  # work around IRB modifying ARGV.
  args = irb_args.parse(ARGV.dup.freeze)

  if args.examples?
    puts "'v8'.f # => instance of the v8 formula"
    puts ":hub.f.latest_version_installed?"
    puts ":lua.f.methods - 1.methods"
    puts ":mpd.f.recursive_dependencies.reject(&:installed?)"
    return
  end

  if args.pry?
    Homebrew.install_gem_setup_path! "pry"
    require "pry"
    Pry.config.prompt_name = "brew"
  else
    require "irb"
  end

  require "formula"
  require "keg"
  require "cask"

  ohai "Interactive Homebrew Shell"
  puts "Example commands available with: brew irb --examples"
  if args.pry?
    Pry.start
  else
    IRB.start
  end
end

.irb_argsObject


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# File 'Library/Homebrew/dev-cmd/irb.rb', line 20

def irb_args
  Homebrew::CLI::Parser.new do
    usage_banner <<~EOS
      `irb` [<options>]

      Enter the interactive Homebrew Ruby shell.
    EOS
    switch "--examples",
           description: "Show several examples."
    switch "--pry",
           env:         :pry,
           description: "Use Pry instead of IRB. Implied if `HOMEBREW_PRY` is set."
  end
end

.json_info(formulae_or_casks, args:) ⇒ Object


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# File 'Library/Homebrew/cmd/outdated.rb', line 130

def json_info(formulae_or_casks, args:)
  formulae_or_casks.map do |formula_or_cask|
    if formula_or_cask.is_a?(Formula)
      f = formula_or_cask

      outdated_versions = f.outdated_kegs(fetch_head: args.fetch_HEAD?).map(&:version)
      current_version = if f.head? && outdated_versions.any? { |v| v.to_s == f.pkg_version.to_s }
        "HEAD"
      else
        f.pkg_version.to_s
      end

      { name:               f.full_name,
        installed_versions: outdated_versions.map(&:to_s),
        current_version:    current_version,
        pinned:             f.pinned?,
        pinned_version:     f.pinned_version }
    else
      c = formula_or_cask

      c.outdated_info(args.greedy?, verbose?, true)
    end
  end
end

.json_version(version) ⇒ Object

Raises:


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# File 'Library/Homebrew/cmd/outdated.rb', line 159

def json_version(version)
  version_hash = {
    nil  => nil,
    true => :default,
    "v1" => :v1,
    "v2" => :v2,
  }

  raise UsageError, "invalid JSON version: #{version}" unless version_hash.include?(version)

  version_hash[version]
end

.keg_contain?(string, keg, ignores, formula_and_runtime_deps_names = nil, args:) ⇒ Boolean