Module: Homebrew

Extended by:
FileUtils
Defined in:
Library/Homebrew/cmd/cat.rb,
Library/Homebrew/utils.rb,
Library/Homebrew/cmd/sh.rb,
Library/Homebrew/global.rb,
Library/Homebrew/cleanup.rb,
Library/Homebrew/cmd/diy.rb,
Library/Homebrew/cmd/irb.rb,
Library/Homebrew/cmd/log.rb,
Library/Homebrew/cmd/pin.rb,
Library/Homebrew/cmd/tap.rb,
Library/Homebrew/options.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/prune.rb,
Library/Homebrew/cmd/style.rb,
Library/Homebrew/cmd/unpin.rb,
Library/Homebrew/cmd/untap.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/cmd/unpack.rb,
Library/Homebrew/diagnostic.rb,
Library/Homebrew/cmd/--cache.rb,
Library/Homebrew/cmd/cleanup.rb,
Library/Homebrew/cmd/command.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/tap-pin.rb,
Library/Homebrew/cmd/upgrade.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/linkapps.rb,
Library/Homebrew/cmd/outdated.rb,
Library/Homebrew/cmd/tap-info.rb,
Library/Homebrew/dev-cmd/edit.rb,
Library/Homebrew/dev-cmd/pull.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/tap-unpin.rb,
Library/Homebrew/cmd/uninstall.rb,
Library/Homebrew/dev-cmd/audit.rb,
Library/Homebrew/dev-cmd/tests.rb,
Library/Homebrew/cmd/unlinkapps.rb,
Library/Homebrew/dev-cmd/bottle.rb,
Library/Homebrew/dev-cmd/create.rb,
Library/Homebrew/dev-cmd/mirror.rb,
Library/Homebrew/cmd/postinstall.rb,
Library/Homebrew/dev-cmd/formula.rb,
Library/Homebrew/dev-cmd/linkage.rb,
Library/Homebrew/dev-cmd/tap-new.rb,
Library/Homebrew/missing_formula.rb,
Library/Homebrew/cmd/--repository.rb,
Library/Homebrew/build_environment.rb,
Library/Homebrew/cmd/update-report.rb,
Library/Homebrew/formula_assertions.rb,
Library/Homebrew/dev-cmd/update-test.rb,
Library/Homebrew/dev-cmd/release-notes.rb,
Library/Homebrew/dev-cmd/bump-formula-pr.rb,
Library/Homebrew/extend/os/mac/diagnostic.rb,
Library/Homebrew/extend/os/mac/missing_formula.rb

Overview

: * `release-notes` [`–markdown`] [<previous_tag>] [<end_ref>]: : Output the merged pull requests on Homebrew/brew between two Git refs. : If no <previous_tag> is provided it defaults to the newest tag. : If no <end_ref> is provided it defaults to `origin/master`. : : If `–markdown` is passed, output as a Markdown list.

Defined Under Namespace

Modules: Assertions, Cleanup, Diagnostic, MissingFormula Classes: BottleInfo, DependentsMessage, DeveloperDependentsMessage, FormulaInfoFromJson, NondeveloperDependentsMessage, PatchPuller, RubocopLineLocation, RubocopOffense, RubocopResults

Constant Summary collapse

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
  manpages/brew-cask.1
  share/pypy/*
  share/pypy3/*
  share/info/dir
  share/man/whatis
].freeze
SOURCE_PATH = 
HOMEBREW_LIBRARY_PATH/"manpages"
TARGET_MAN_PATH = 
HOMEBREW_REPOSITORY/"manpages"
TARGET_DOC_PATH = 
HOMEBREW_REPOSITORY/"docs"
UNLINKAPPS_PREFIXES = 
%W[
  #{HOMEBREW_CELLAR}/
  #{HOMEBREW_PREFIX}/opt/
].freeze

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from FileUtils

make, mkdir, mktemp, old_mkdir, old_ruby, ruby, scons, xcodebuild

Class Attribute Details

.auditing=(value) ⇒ Object (writeonly)

Sets the attribute auditing


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# File 'Library/Homebrew/global.rb', line 48

def auditing=(value)
  @auditing = value
end

.failed=(value) ⇒ Object (writeonly)

Sets the attribute failed


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# File 'Library/Homebrew/global.rb', line 42

def failed=(value)
  @failed = value
end

.raise_deprecation_exceptions=(value) ⇒ Object (writeonly)

Sets the attribute raise_deprecation_exceptions


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# File 'Library/Homebrew/global.rb', line 48

def raise_deprecation_exceptions=(value)
  @raise_deprecation_exceptions = value
end

Class Method Details

.__cache ⇒ Object 


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

def __cache
  if ARGV.named.empty?
    puts HOMEBREW_CACHE
  else
    ARGV.formulae.each do |f|
      if fetch_bottle?(f)
        puts f.bottle.cached_download
      else
        puts f.cached_download
      end
    end
  end
end

.__cellar ⇒ Object 


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

def __cellar
  if ARGV.named.empty?
    puts HOMEBREW_CELLAR
  else
    puts ARGV.resolved_formulae.map(&:rack)
  end
end

.__env ⇒ Object 


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

def __env
  ENV.activate_extensions!
  ENV.deps = ARGV.formulae if superenv?
  ENV.setup_build_environment
  ENV.universal_binary if ARGV.build_universal?

  shell_value = ARGV.value("shell")

  if ARGV.include?("--plain")
    shell = nil
  elsif shell_value.nil?
    # legacy behavior
    shell = :bash unless $stdout.tty?
  elsif shell_value == "auto"
    shell = Utils::Shell.parent || Utils::Shell.preferred
  elsif shell_value
    shell = Utils::Shell.from_path(shell_value)
  end

  env_keys = build_env_keys(ENV)
  if shell.nil?
    dump_build_env ENV
  else
    env_keys.each { |key| puts Utils::Shell.export_value(shell, key, ENV[key]) }
  end
end

.__gets ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/create.rb', line 88

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

.__prefix ⇒ Object 


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

def __prefix
  if ARGV.named.empty?
    puts HOMEBREW_PREFIX
  else
    puts ARGV.resolved_formulae.map { |f|
      f.opt_prefix.exist? ? f.opt_prefix : f.installed_prefix
    }
  end
end

.__repository ⇒ Object 


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

def __repository
  if ARGV.named.empty?
    puts HOMEBREW_REPOSITORY
  else
    puts ARGV.named.map { |tap| Tap.fetch(tap).path }
  end
end

.__version ⇒ Object

Raises:


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# File 'Library/Homebrew/cmd/--version.rb', line 7

def __version
  # As a special case, `--version` is implemented directly in `brew.rb`. This
  # file merely serves as a container for the documentation. It also catches
  # the case where running `brew --version` with additional arguments would
  # produce a rather cryptic message about a non-existent `--version` command.
  raise UsageError
end

._system(cmd, *args) ⇒ Object 


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# File 'Library/Homebrew/utils.rb', line 180

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

.analytics ⇒ Object

Raises:


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

def analytics
  config_file = HOMEBREW_REPOSITORY/".git/config"

  raise UsageError if ARGV.named.size > 1
  case ARGV.named.first
  when nil, "state"
    analyticsdisabled = \
      Utils.popen_read("git config --file=#{config_file} --get homebrew.analyticsdisabled").chuzzle
    uuid = \
      Utils.popen_read("git config --file=#{config_file} --get homebrew.analyticsuuid").chuzzle
    if ENV["HOMEBREW_NO_ANALYTICS"]
      puts "Analytics is disabled (by HOMEBREW_NO_ANALYTICS)."
    elsif analyticsdisabled == "true"
      puts "Analytics is disabled."
    else
      puts "Analytics is enabled."
      puts "UUID: #{uuid}" if uuid
    end
  when "on"
    safe_system "git", "config", "--file=#{config_file}",
                                 "--replace-all", "homebrew.analyticsdisabled", "false"
    safe_system "git", "config", "--file=#{config_file}",
                                 "--replace-all", "homebrew.analyticsmessage", "true"
  when "off"
    safe_system "git", "config", "--file=#{config_file}",
                                 "--replace-all", "homebrew.analyticsdisabled", "true"
    system "git", "config", "--file=#{config_file}", "--unset-all", "homebrew.analyticsuuid"
  when "regenerate-uuid"
    # it will be regenerated in next run.
    system "git", "config", "--file=#{config_file}", "--unset-all", "homebrew.analyticsuuid"
  else
    raise UsageError
  end
end

.audit ⇒ Object 


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

def audit
  inject_dump_stats!(FormulaAuditor, /^audit_/) if ARGV.switch? "D"
  Homebrew.auditing = true

  formula_count = 0
  problem_count = 0

  new_formula = ARGV.include? "--new-formula"
  strict = new_formula || ARGV.include?("--strict")
  online = new_formula || ARGV.include?("--online")

  ENV.activate_extensions!
  ENV.setup_build_environment

  if ARGV.named.empty?
    ff = Formula
    files = Tap.map(&:formula_dir)
  else
    ff = ARGV.resolved_formulae
    files = ARGV.resolved_formulae.map(&:path)
  end

  only_cops = ARGV.value("only-cops").to_s.split(",")
  except_cops = ARGV.value("except-cops").to_s.split(",")

  if !only_cops.empty? && !except_cops.empty?
    odie "--only-cops and --except-cops cannot be used simultaneously!"
  elsif (!only_cops.empty? || !except_cops.empty?) && (strict || ARGV.value("only"))
    odie "--only-cops/--except-cops and --strict/--only cannot be used simultaneously"
  end

  options = { fix: ARGV.flag?("--fix"), realpath: true }

  if !only_cops.empty?
    options[:only_cops] = only_cops
    ARGV.push("--only=style")
  elsif new_formula
    nil
  elsif strict
    options[:except_cops] = [:NewFormulaAudit]
  elsif !except_cops.empty?
    options[:except_cops] = except_cops
  elsif !strict
    options[:only_cops] = [:FormulaAudit]
  end

  # Check style in a single batch run up front for performance
  style_results = check_style_json(files, options)

  ff.sort.each do |f|
    options = { new_formula: new_formula, strict: strict, online: online }
    options[:style_offenses] = style_results.file_offenses(f.path)
    fa = FormulaAuditor.new(f, options)
    fa.audit

    next if fa.problems.empty?
    fa.problems
    formula_count += 1
    problem_count += fa.problems.size
    problem_lines = fa.problems.map { |p| "* #{p.chomp.gsub("\n", "\n    ")}" }
    if ARGV.include? "--display-filename"
      puts problem_lines.map { |s| "#{f.path}: #{s}" }
    else
      puts "#{f.full_name}:", problem_lines.map { |s| "  #{s}" }
    end
  end

  return if problem_count.zero?

  ofail "#{Formatter.pluralize(problem_count, "problem")} in #{Formatter.pluralize(formula_count, "formula")}"
end

.auditing? ⇒ Boolean 


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# File 'Library/Homebrew/global.rb', line 54

def auditing?
  @auditing == true
end

.backup(keg) ⇒ Object 


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# File 'Library/Homebrew/cmd/reinstall.rb', line 58

def backup(keg)
  keg.unlink
  keg.rename backup_path(keg)
end

.backup_path(path) ⇒ Object 


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# File 'Library/Homebrew/cmd/reinstall.rb', line 74

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

.bottle ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 502

def bottle
  if ARGV.include? "--merge"
    merge
  else
    ARGV.resolved_formulae.each do |f|
      bottle_formula f
    end
  end
end

.bottle_formula(f) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 157

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

  unless tap = f.tap
    unless ARGV.include?("--force-core-tap")
      return ofail "Formula not from core or any taps: #{f.full_name}"
    end

    tap = CoreTap.instance
  end

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

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

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

  if ARGV.include?("--no-rebuild") || !f.tap
    rebuild = 0
  elsif ARGV.include? "--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}..."

  keg = Keg.new(f.prefix)
  relocatable = false
  skip_relocation = false

  keg.lock do
    original_tab = nil
    changed_files = nil

    begin
      keg.delete_pyc_files!

      unless ARGV.include? "--skip-relocation"
        changed_files = keg.replace_locations_with_placeholders
      end

      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
        safe_system "tar", "cf", tar_path, "#{f.name}/#{f.pkg_version}"
        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
        mv "#{relocatable_tar_path}.gz", bottle_path
      end

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

      if prefix == "/usr/local"
        prefix_check = File.join(prefix, "opt")
      else
        prefix_check = prefix
      end

      ignores = []
      if f.deps.any? { |dep| dep.name == "go" }
        ignores << %r{#{Regexp.escape(HOMEBREW_CELLAR)}/go/[\d\.]+/libexec}
      end

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

  root_url = ARGV.value("root-url")
  # Use underscored version for legacy reasons. Remove at some point.
  root_url ||= ARGV.value("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 ARGV.include?("--keep-old") && !old_spec.checksums.empty?
    mismatches = [:root_url, :prefix, :cellar, :rebuild].reject do |key|
      old_spec.send(key) == bottle.send(key)
    end
    mismatches.delete(:cellar) if old_spec.cellar == :any && bottle.cellar == :any_skip_relocation
    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 ARGV.include? "--json"
  json = {
    f.full_name => {
      "formula" => {
        "pkg_version" => f.pkg_version.to_s,
        "path" => f.path.to_s.strip_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.to_s,
            "sha256" => sha256,
          },
        },
      },
      "bintray" => {
        "package" => Utils::Bottles::Bintray.package(f.name),
        "repository" => Utils::Bottles::Bintray.repository(tap),
      },
    },
  }
  File.open("#{filename.prefix}.bottle.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 152

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

.brief_build_info(f) ⇒ Object 


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 67

def brief_build_info(f)
  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 ARGV.include?("--with-hostname")
    hostname = Socket.gethostname
    s << "Host: #{hostname}\n"
  end
  s << "Build date: #{build_time_str}\n"
  s
end

.build_env_keys(env) ⇒ Object 


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# File 'Library/Homebrew/build_environment.rb', line 37

def build_env_keys(env)
  %w[
    CC CXX LD OBJC OBJCXX
    HOMEBREW_CC HOMEBREW_CXX
    CFLAGS CXXFLAGS CPPFLAGS LDFLAGS SDKROOT MAKEFLAGS
    CMAKE_PREFIX_PATH CMAKE_INCLUDE_PATH CMAKE_LIBRARY_PATH CMAKE_FRAMEWORK_PATH
    MACOSX_DEPLOYMENT_TARGET PKG_CONFIG_PATH PKG_CONFIG_LIBDIR
    HOMEBREW_DEBUG HOMEBREW_MAKE_JOBS HOMEBREW_VERBOSE
    HOMEBREW_SVN HOMEBREW_GIT
    HOMEBREW_SDKROOT HOMEBREW_BUILD_FROM_SOURCE
    MAKE GIT CPP
    ACLOCAL_PATH PATH CPATH
    LD_LIBRARY_PATH LD_RUN_PATH LD_PRELOAD LIBRARY_PATH
  ].select { |key| env.key?(key) }
end

.build_man_page ⇒ Object 


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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] = path_glob_commands("#{HOMEBREW_LIBRARY_PATH}/cmd/*.{rb,sh}")
  variables[:developer_commands] = path_glob_commands("#{HOMEBREW_LIBRARY_PATH}/dev-cmd/*.{rb,sh}")
  readme = HOMEBREW_REPOSITORY/"README.md"
  variables[:lead_maintainer] = readme.read[/(Homebrew's lead maintainer .*\.)/, 1]
                                      .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:core_maintainer] = readme.read[%r{(Homebrew/homebrew-core's lead maintainer .*\.)}, 1]
                                      .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:brew_maintainers] = readme.read[%r{(Homebrew/brew's other current maintainers .*\.)}, 1]
                                       .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:core_maintainers] = readme.read[%r{(Homebrew/homebrew-core's other current maintainers .*\.)}, 1]
                                       .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
  variables[:former_maintainers] = readme.read[/(Former maintainers .*\.)/, 1]
                                         .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')

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

.bump_formula_pr ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 118

def bump_formula_pr
  # 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"] = ENV["HOMEBREW_BROWSER"]

  # Setup GitHub environment variables
  %w[GITHUB_USER GITHUB_PASSWORD GITHUB_TOKEN].each do |env|
    homebrew_env = ENV["HOMEBREW_#{env}"]
    next unless homebrew_env
    next if homebrew_env.empty?
    ENV[env] = homebrew_env
  end

  formula = ARGV.formulae.first

  if formula
    check_for_duplicate_pull_requests(formula)
    checked_for_duplicates = true
  end

  new_url = ARGV.value("url")
  if new_url && !formula
    # 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.
    new_url_split = new_url.split("/")
    maximum_url_components_to_match = 5
    components_to_match = [new_url_split.count - 1, maximum_url_components_to_match].min
    base_url = new_url_split.first(components_to_match).join("/")
    base_url = /#{Regexp.escape(base_url)}/
    is_devel = ARGV.include?("--devel")
    guesses = []
    Formula.each do |f|
      if is_devel && f.devel && f.devel.url && f.devel.url.match(base_url)
        guesses << f
      elsif f.stable&.url && f.stable.url.match(base_url)
        guesses << f
      end
    end
    if guesses.count == 1
      formula = guesses.shift
    elsif guesses.count > 1
      odie "Couldn't guess formula for sure: could be one of these:\n#{guesses}"
    end
  end
  odie "No formula found!" unless formula

  check_for_duplicate_pull_requests(formula) unless checked_for_duplicates

  requested_spec, formula_spec = if ARGV.include?("--devel")
    devel_message = " (devel)"
    [:devel, formula.devel]
  else
    [:stable, formula.stable]
  end
  odie "#{formula}: no #{requested_spec} specification found!" unless formula_spec

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

  new_hash = ARGV.value(hash_type)
  new_tag = ARGV.value("tag")
  new_revision = ARGV.value("revision")
  new_mirror = ARGV.value("mirror")
  forced_version = ARGV.value("version")
  new_url_hash = if new_url && new_hash
    true
  elsif new_tag && new_revision
    false
  elsif !hash_type
    odie "#{formula}: no --tag=/--revision= arguments specified!"
  elsif !new_url
    odie "#{formula}: no --url= argument specified!"
  else
    new_mirror = case new_url
    when requested_spec != :devel && %r{.*ftp.gnu.org/gnu.*}
      new_url.sub "ftp.gnu.org/gnu", "ftpmirror.gnu.org"
    when %r{.*mirrors.ocf.berkeley.edu/debian.*}
      new_url.sub "mirrors.ocf.berkeley.edu/debian", "mirrorservice.org/sites/ftp.debian.org/debian"
    end
    resource = Resource.new { @url = new_url }
    resource.download_strategy = DownloadStrategyDetector.detect_from_url(new_url)
    resource.owner = Resource.new(formula.name)
    resource.version = forced_version if forced_version
    odie "No --version= argument specified!" unless resource.version
    resource_path = resource.fetch
    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) =~ %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

  if ARGV.dry_run?
    ohai "brew update"
  else
    safe_system "brew", "update"
  end

  old_formula_version = formula_version(formula, requested_spec)

  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

  backup_file = File.read(formula.path) unless ARGV.dry_run?

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

  if forced_version && forced_version != "0"
    if requested_spec == :stable
      if File.read(formula.path).include?("version \"#{old_formula_version}\"")
        replacement_pairs << [old_formula_version.to_s, forced_version]
      elsif new_mirror
        replacement_pairs << [/^( +)(mirror \"#{new_mirror}\"\n)/m, "\\1\\2\\1version \"#{forced_version}\"\n"]
      else
        replacement_pairs << [/^( +)(url \"#{new_url}\"\n)/m, "\\1\\2\\1version \"#{forced_version}\"\n"]
      end
    elsif requested_spec == :devel
      replacement_pairs << [/(  devel do.+?version \")#{old_formula_version}(\"\n.+?end\n)/m, "\\1#{forced_version}\\2"]
    end
  elsif forced_version && forced_version == "0"
    if requested_spec == :stable
      replacement_pairs << [/^  version \"[\w\.\-\+]+\"\n/m, ""]
    elsif requested_spec == :devel
      replacement_pairs << [/(  devel do.+?)^ +version \"[^\n]+\"\n(.+?end\n)/m, "\\1\\2"]
    end
  end
  new_contents = inreplace_pairs(formula.path, replacement_pairs)

  new_formula_version = formula_version(formula, requested_spec, new_contents)

  if new_formula_version < old_formula_version
    formula.path.atomic_write(backup_file) unless ARGV.dry_run?
    odie <<~EOS
      You probably 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(backup_file) unless ARGV.dry_run?
    odie <<~EOS
      You probably need to bump this formula manually since the new version
      and old version are both #{new_formula_version}.
    EOS
  end

  if ARGV.dry_run?
    if ARGV.include? "--strict"
      ohai "brew audit --strict #{formula.path.basename}"
    elsif ARGV.include? "--audit"
      ohai "brew audit #{formula.path.basename}"
    end
  else
    failed_audit = false
    if ARGV.include? "--strict"
      system HOMEBREW_BREW_FILE, "audit", "--strict", formula.path
      failed_audit = !$CHILD_STATUS.success?
    elsif ARGV.include? "--audit"
      system HOMEBREW_BREW_FILE, "audit", formula.path
      failed_audit = !$CHILD_STATUS.success?
    end
    if failed_audit
      formula.path.atomic_write(backup_file)
      odie "brew audit failed!"
    end
  end

  unless Formula["hub"].any_version_installed?
    if ARGV.dry_run?
      ohai "brew install hub"
    else
      safe_system "brew", "install", "hub"
    end
  end

  formula.path.parent.cd do
    branch = "#{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")

    hub_args = []
    git_final_checkout_args = []
    if ARGV.include?("--no-browse")
      git_final_checkout_args << "--quiet"
    else
      hub_args << "--browse"
    end

    if ARGV.dry_run?
      ohai "hub fork # read $HUB_REMOTE"
      ohai "git fetch --unshallow origin" if shallow
      ohai "git checkout --no-track -b #{branch} origin/master"
      ohai "git commit --no-edit --verbose --message='#{formula.name} #{new_formula_version}#{devel_message}' -- #{formula.path}"
      ohai "git push --set-upstream $HUB_REMOTE #{branch}:#{branch}"
      ohai "hub pull-request #{hub_args.join(" ")} -m '#{formula.name} #{new_formula_version}#{devel_message}'"
      ohai "git checkout -"
    else
      reply = IO.popen(["hub", "fork"], "r+", err: "/dev/null") do |io|
        reader = Thread.new { io.read }
        sleep 1
        io.close_write
        reader.value
      end

      if reply.to_s.include? "username:"
        formula.path.atomic_write(backup_file) unless ARGV.dry_run?
        git_path = "$(brew --repo #{formula.tap})" if formula.tap
        git_path ||= formula.path.parent
        odie <<~EOS
          Retry after configuring hub by running:
            hub -C "#{git_path}" fork
          Or setting HOMEBREW_GITHUB_TOKEN with at least 'public_repo' scope.
        EOS
      end

      remote = reply[/remote:? (\S+)/, 1]

      # repeat for hub 2.2 backwards compatibility:
      remote = Utils.popen_read("hub", "fork", err: :out)[/remote:? (\S+)/, 1] if remote.to_s.empty?

      if remote.to_s.empty?
        formula.path.atomic_write(backup_file) unless ARGV.dry_run?
        odie "cannot get remote from 'hub'!"
      end

      safe_system "git", "fetch", "--unshallow", "origin" if shallow
      safe_system "git", "checkout", "--no-track", "-b", branch, "origin/master"
      safe_system "git", "commit", "--no-edit", "--verbose",
        "--message=#{formula.name} #{new_formula_version}#{devel_message}",
        "--", formula.path
      safe_system "git", "push", "--set-upstream", remote, "#{branch}:#{branch}"
      pr_message = <<~EOS
        #{formula.name} #{new_formula_version}#{devel_message}

        Created with `brew bump-formula-pr`.
      EOS
      user_message = ARGV.value("message")
      if user_message
        pr_message += "\n" + <<~EOS
          ---

          #{user_message}
        EOS
      end
      safe_system "hub", "pull-request", *hub_args, "-m", pr_message
      safe_system "git", "checkout", *git_final_checkout_args, "-"
    end
  end
end

.cask ⇒ Object 


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# File 'Library/Homebrew/cmd/cask.rb', line 7

def cask
  Hbc::CLI.run(*ARGV)
end

.cat ⇒ Object

Raises:


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# File 'Library/Homebrew/cmd/cat.rb', line 7

def cat
  # do not "fix" this to support multiple arguments, the output would be
  # unparsable, if the user wants to cat multiple formula they can call
  # brew cat multiple times.
  formulae = ARGV.formulae
  raise FormulaUnspecifiedError if formulae.empty?
  raise "`brew cat` doesn't support multiple arguments" if formulae.size > 1

  cd HOMEBREW_REPOSITORY
  exec "cat", formulae.first.path, *ARGV.options_only
end

.check_bintray_mirror(name, url) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 632

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_cellar ⇒ Object 


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# File 'Library/Homebrew/cmd/install.rb', line 313

def check_cellar
  FileUtils.mkdir_p HOMEBREW_CELLAR unless File.exist? HOMEBREW_CELLAR
rescue
  raise <<~EOS
    Could not create #{HOMEBREW_CELLAR}
    Check you have permission to write to #{HOMEBREW_CELLAR.parent}
  EOS
end

.check_development_tools ⇒ Object 


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# File 'Library/Homebrew/cmd/install.rb', line 303

def check_development_tools
  checks = Diagnostic::Checks.new
  checks.fatal_development_tools_checks.each do |check|
    out = checks.send(check)
    next if out.nil?
    ofail out
  end
  exit 1 if Homebrew.failed?
end

.check_for_dependents(kegs) ⇒ Object 


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# File 'Library/Homebrew/cmd/uninstall.rb', line 99

def check_for_dependents(kegs)
  return false unless result = Keg.find_some_installed_dependents(kegs)

  if ARGV.homebrew_developer?
    DeveloperDependentsMessage.new(*result).output
  else
    NondeveloperDependentsMessage.new(*result).output
  end

  true
end

.check_for_duplicate_pull_requests(formula) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 97

def check_for_duplicate_pull_requests(formula)
  pull_requests = fetch_pull_requests(formula)
  return unless pull_requests
  return if pull_requests.empty?
  duplicates_message = <<~EOS
    These open pull requests may be duplicates:
    #{pull_requests.map { |pr| "#{pr["title"]} #{pr["html_url"]}" }.join("\n")}
  EOS
  error_message = "Duplicate PRs should not be opened. Use --force to override this error."
  if ARGV.force? && !ARGV.flag?("--quiet")
    opoo duplicates_message
  elsif !ARGV.force? && ARGV.flag?("--quiet")
    odie error_message
  elsif !ARGV.force?
    odie <<~EOS
      #{duplicates_message.chomp}
      #{error_message}
    EOS
  end
end

.check_ppc ⇒ Object 


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# File 'Library/Homebrew/cmd/install.rb', line 288

def check_ppc
  case Hardware::CPU.type
  when :ppc
    abort <<~EOS
      Sorry, Homebrew does not support your computer's CPU architecture.
      For PPC support, see: https://github.com/mistydemeo/tigerbrew
    EOS
  end
end

.check_style_and_print(files, options = {}) ⇒ Object

Checks style for a list of files, printing simple RuboCop output. Returns true if violations were found, false otherwise.


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# File 'Library/Homebrew/cmd/style.rb', line 60

def check_style_and_print(files, options = {})
  check_style_impl(files, :print, options)
end

.check_style_impl(files, output_type, options = {}) ⇒ Object 


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# File 'Library/Homebrew/cmd/style.rb', line 70

def check_style_impl(files, output_type, options = {})
  fix = options[:fix]

  Homebrew.install_gem_setup_path! "rubocop", HOMEBREW_RUBOCOP_VERSION
  require "rubocop"
  require_relative "../rubocops"

  args = %w[
    --force-exclusion
  ]
  if fix
    args << "--auto-correct"
  else
    args << "--parallel"
  end

  if options[:except_cops]
    options[:except_cops].map! { |cop| RuboCop::Cop::Cop.registry.qualified_cop_name(cop.to_s, "") }
    cops_to_exclude = options[:except_cops].select do |cop|
      RuboCop::Cop::Cop.registry.names.include?(cop) ||
        RuboCop::Cop::Cop.registry.departments.include?(cop.to_sym)
    end

    args << "--except" << cops_to_exclude.join(",") unless cops_to_exclude.empty?
  elsif options[:only_cops]
    options[:only_cops].map! { |cop| RuboCop::Cop::Cop.registry.qualified_cop_name(cop.to_s, "") }
    cops_to_include = options[:only_cops].select do |cop|
      RuboCop::Cop::Cop.registry.names.include?(cop) ||
        RuboCop::Cop::Cop.registry.departments.include?(cop.to_sym)
    end

    if cops_to_include.empty?
      odie "RuboCops #{options[:only_cops].join(",")} were not found"
    end

    args << "--only" << cops_to_include.join(",")
  end

  if files.nil?
    args << "--config" << HOMEBREW_LIBRARY_PATH/".rubocop.yml"
    args << HOMEBREW_LIBRARY_PATH
  else
    args << "--config" << HOMEBREW_LIBRARY/".rubocop_audit.yml"
    args += files
  end

  cache_env = { "XDG_CACHE_HOME" => "#{HOMEBREW_CACHE}/style" }

  case output_type
  when :print
    args << "--debug" if ARGV.debug?
    args << "--display-cop-names" if ARGV.include? "--display-cop-names"
    args << "--format" << "simple" if files
    system(cache_env, "rubocop", "_#{HOMEBREW_RUBOCOP_VERSION}_", *args)
    !$CHILD_STATUS.success?
  when :json
    json, _, status = Open3.capture3(cache_env, "rubocop", "_#{HOMEBREW_RUBOCOP_VERSION}_", "--format", "json", *args)
    # exit status of 1 just means violations were found; other numbers mean
    # execution errors.
    # exitstatus can also be nil if RuboCop process crashes, e.g. due to
    # native extension problems.
    # JSON needs to be at least 2 characters.
    if !(0..1).cover?(status.exitstatus) || json.to_s.length < 2
      raise "Error running `rubocop --format json #{args.join " "}`"
    end
    RubocopResults.new(JSON.parse(json))
  else
    raise "Invalid output_type for check_style_impl: #{output_type}"
  end
end

.check_style_json(files, options = {}) ⇒ Object

Checks style for a list of files, returning results as a RubocopResults object parsed from its JSON output.


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# File 'Library/Homebrew/cmd/style.rb', line 66

def check_style_json(files, options = {})
  check_style_impl(files, :json, options)
end

.check_writable_install_location ⇒ Object 


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# File 'Library/Homebrew/cmd/install.rb', line 298

def check_writable_install_location
  raise "Cannot write to #{HOMEBREW_CELLAR}" if HOMEBREW_CELLAR.exist? && !HOMEBREW_CELLAR.writable_real?
  raise "Cannot write to #{HOMEBREW_PREFIX}" unless HOMEBREW_PREFIX.writable_real? || HOMEBREW_PREFIX.to_s == "/usr/local"
end

.cleanup ⇒ Object 


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

def cleanup
  if ARGV.named.empty?
    Cleanup.cleanup
  else
    Cleanup.cleanup_cellar(ARGV.resolved_formulae)
  end

  report_disk_usage unless Cleanup.disk_cleanup_size.zero?
  report_unremovable_kegs unless Cleanup.unremovable_kegs.empty?
end

.command ⇒ Object 


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

def command
  abort "This command requires a command argument" if ARGV.empty?

  cmd = HOMEBREW_INTERNAL_COMMAND_ALIASES.fetch(ARGV.first, ARGV.first)

  path = Commands.path(cmd)

  cmd_paths = PATH.new(ENV["PATH"]).append(Tap.cmd_directories) unless path
  path ||= which("brew-#{cmd}", cmd_paths)
  path ||= which("brew-#{cmd}.rb", cmd_paths)

  odie "Unknown command: #{cmd}" unless path
  puts path
end

.command_help(path) ⇒ Object 


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

def command_help(path)
  help_lines = path.read.lines.grep(/^#:/)
  if help_lines.empty?
    opoo "No help text in: #{path}" if ARGV.homebrew_developer?
    HOMEBREW_HELP
  else
    help_lines.map do |line|
      line.slice(2..-1)
          .sub(/^  \* /, "#{Tty.bold}brew#{Tty.reset} ")
          .gsub(/`(.*?)`/, "#{Tty.bold}\\1#{Tty.reset}")
          .gsub(%r{<([^\s]+?://[^\s]+?)>}) { |url| Formatter.url(url) }
          .gsub(/<(.*?)>/, "#{Tty.underline}\\1#{Tty.reset}")
          .gsub("@hide_from_man_page", "")
    end.join.strip
  end
end

.commands ⇒ Object 


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

def commands
  if ARGV.include? "--quiet"
    cmds = internal_commands
    cmds += external_commands
    cmds += internal_developer_commands
    cmds += HOMEBREW_INTERNAL_COMMAND_ALIASES.keys if ARGV.include? "--include-aliases"
    puts Formatter.columns(cmds.sort)
    return
  end

  # Find commands in Homebrew/cmd
  puts "Built-in commands"
  puts Formatter.columns(internal_commands.sort)

  # Find commands in Homebrew/dev-cmd
  puts
  puts "Built-in developer commands"
  puts Formatter.columns(internal_developer_commands.sort)

  exts = external_commands
  return if exts.empty?

  # Find commands in the PATH
  puts
  puts "External commands"
  puts Formatter.columns(exts)
end

.condense_requirements(deps) ⇒ Object 


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# File 'Library/Homebrew/cmd/deps.rb', line 93

def condense_requirements(deps)
  if ARGV.include?("--include-requirements")
    deps
  else
    deps.select { |dep| dep.is_a? Dependency }
  end
end

.config ⇒ Object 


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

def config
  SystemConfig.dump_verbose_config
end

.convert_man_page(markup, target) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/man.rb', line 82

def convert_man_page(markup, target)
  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 ARGV.include?("--fail-if-changed") &&
            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
    ronn_output.gsub!(%r{</var>`(?=[.!?,;:]?\s)}, "").gsub!(%r{</?var>}, "`") if format_flag == "--markdown"
    target.atomic_write ronn_output
  end
end

.create ⇒ Object

Create a formula from a tarball URL

Raises:


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# File 'Library/Homebrew/dev-cmd/create.rb', line 31

def create
  raise UsageError if ARGV.named.empty?

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

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

  version = ARGV.next if ARGV.include? "--set-version"
  name = ARGV.next if ARGV.include? "--set-name"
  tap = ARGV.next if ARGV.include? "--tap"

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

  fc.mode = if ARGV.include? "--cmake"
    :cmake
  elsif ARGV.include? "--autotools"
    :autotools
  elsif ARGV.include? "--meson"
    :meson
  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

  # Don't allow blacklisted formula, or names that shadow aliases,
  # unless --force is specified.
  unless ARGV.force?
    if reason = Homebrew::MissingFormula.blacklisted_reason(fc.name)
      raise "#{fc.name} is blacklisted for creation.\n#{reason}\nIf you really want to create this formula use --force."
    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!

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

.create_gist(files, description) ⇒ Object 


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 112

def create_gist(files, description)
  url = "https://api.github.com/gists"
  data = { "public" => true, "files" => files, "description" => description }
  scopes = GitHub::CREATE_GIST_SCOPES
  GitHub.open(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 119

def create_issue(repo, title, body)
  url = "https://api.github.com/repos/#{repo}/issues"
  data = { "title" => title, "body" => body }
  scopes = GitHub::CREATE_ISSUE_SCOPES
  GitHub.open(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 390

def current_versions_from_info_external(formula_name)
  info = FormulaInfoFromJson.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 179

def decorate_dependencies(dependencies)
  deps_status = dependencies.collect 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 190

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

.dep_display_name(dep) ⇒ Object 


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# File 'Library/Homebrew/cmd/deps.rb', line 101

def dep_display_name(dep)
  str = if dep.is_a? Requirement
    if ARGV.include?("--include-requirements")
      ":#{dep.display_s}"
    else
      # This shouldn't happen, but we'll put something here to help debugging
      "::#{dep.name}"
    end
  else
    ARGV.include?("--full-name") ? dep.to_formula.full_name : dep.name
  end
  if ARGV.include?("--annotate")
    str = "#{str}  [build]" if dep.build?
    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 198

def dep_display_s(dep)
  return dep.name if dep.option_tags.empty?
  "#{dep.name} #{dep.option_tags.map { |o| "--#{o}" }.join(" ")}"
end

.deps ⇒ Object 


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# File 'Library/Homebrew/cmd/deps.rb', line 59

def deps
  mode = OpenStruct.new(
    installed?: ARGV.include?("--installed"),
    tree?: ARGV.include?("--tree"),
    all?: ARGV.include?("--all"),
    topo_order?: ARGV.include?("-n"),
    union?: ARGV.include?("--union"),
    for_each?: ARGV.include?("--for-each"),
  )

  if mode.tree?
    if mode.installed?
      puts_deps_tree Formula.installed.sort, !ARGV.one?
    else
      raise FormulaUnspecifiedError if ARGV.named.empty?
      puts_deps_tree ARGV.formulae, !ARGV.one?
    end
  elsif mode.all?
    puts_deps Formula.sort
  elsif ARGV.named.empty?
    raise FormulaUnspecifiedError unless mode.installed?
    puts_deps Formula.installed.sort
  elsif mode.for_each?
    puts_deps ARGV.formulae
  else
    all_deps = deps_for_formulae(ARGV.formulae, !ARGV.one?, &(mode.union? ? :| : :&))
    all_deps = condense_requirements(all_deps)
    all_deps = all_deps.select(&:installed?) if mode.installed?
    all_deps = all_deps.map(&method(:dep_display_name)).uniq
    all_deps.sort! unless mode.topo_order?
    puts all_deps
  end
end

.deps_for_formula(f, recursive = false) ⇒ Object 


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# File 'Library/Homebrew/cmd/deps.rb', line 120

def deps_for_formula(f, recursive = false)
  includes = []
  ignores = []
  if ARGV.include?("--include-build")
    includes << "build?"
  else
    ignores << "build?"
  end
  if ARGV.include?("--include-optional")
    includes << "optional?"
  else
    ignores << "optional?"
  end
  ignores << "recommended?" if ARGV.include?("--skip-recommended")

  if recursive
    deps = f.recursive_dependencies do |dependent, dep|
      if dep.recommended?
        Dependency.prune if ignores.include?("recommended?") || dependent.build.without?(dep)
      elsif dep.optional?
        Dependency.prune if !includes.include?("optional?") && !dependent.build.with?(dep)
      elsif dep.build?
        Dependency.prune unless includes.include?("build?")
      end
    end
    reqs = f.recursive_requirements do |dependent, req|
      if req.recommended?
        Requirement.prune if ignores.include?("recommended?") || dependent.build.without?(req)
      elsif req.optional?
        Requirement.prune if !includes.include?("optional?") && !dependent.build.with?(req)
      elsif req.build?
        Requirement.prune unless includes.include?("build?")
      end
    end
  else
    deps = f.deps.reject do |dep|
      ignores.any? { |ignore| dep.send(ignore) } && includes.none? { |include| dep.send(include) }
    end
    reqs = f.requirements.reject do |req|
      ignores.any? { |ignore| req.send(ignore) } && includes.none? { |include| req.send(include) }
    end
  end

  deps + reqs.to_a
end

.deps_for_formulae(formulae, recursive = false, &block) ⇒ Object 


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# File 'Library/Homebrew/cmd/deps.rb', line 166

def deps_for_formulae(formulae, recursive = false, &block)
  formulae.map { |f| deps_for_formula(f, recursive) }.inject(&block)
end

.desc ⇒ Object 


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

def desc
  search_type = []
  search_type << :either if ARGV.flag? "--search"
  search_type << :name   if ARGV.flag? "--name"
  search_type << :desc   if ARGV.flag? "--description"

  if search_type.empty?
    raise FormulaUnspecifiedError if ARGV.named.empty?
    desc = {}
    ARGV.formulae.each { |f| desc[f.full_name] = f.desc }
    results = Descriptions.new(desc)
    results.print
  elsif search_type.size > 1
    odie "Pick one, and only one, of -s/--search, -n/--name, or -d/--description."
  elsif arg = ARGV.named.first
    regex = Homebrew.query_regexp(arg)
    results = Descriptions.search(regex, search_type.first)
    results.print
  else
    odie "You must provide a search term."
  end
end

.detect_name(path, version) ⇒ Object 


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# File 'Library/Homebrew/cmd/diy.rb', line 41

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/cmd/diy.rb', line 33

def detect_version(path)
  version = path.version.to_s

  raise "Couldn't determine version, set it with --version=<version>" if version.empty?

  version
end

.diy ⇒ Object 


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# File 'Library/Homebrew/cmd/diy.rb', line 16

def diy
  path = Pathname.getwd

  version = ARGV.value("version") || detect_version(path)
  name = ARGV.value("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}"
  else
    raise "Couldn't determine build system"
  end
end

.doctor ⇒ Object 


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

def doctor
  inject_dump_stats!(Diagnostic::Checks, /^check_*/) if ARGV.switch? "D"

  checks = Diagnostic::Checks.new

  if ARGV.include? "--list-checks"
    puts checks.all.sort
    exit
  end

  if ARGV.named.empty?
    slow_checks = %w[
      check_for_broken_symlinks
      check_missing_deps
      check_for_linked_keg_only_brews
    ]
    methods = (checks.all.sort - slow_checks) + slow_checks
  else
    methods = ARGV.named
  end

  first_warning = true
  methods.each do |method|
    $stderr.puts "Checking #{method}" if ARGV.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

.dump_build_env(env, f = $stdout) ⇒ Object 


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# File 'Library/Homebrew/build_environment.rb', line 53

def dump_build_env(env, f = $stdout)
  keys = build_env_keys(env)
  keys -= %w[CC CXX OBJC OBJCXX] if env["CC"] == env["HOMEBREW_CC"]

  keys.each do |key|
    value = env[key]
    s = "#{key}: #{value}"
    case key
    when "CC", "CXX", "LD"
      s << " => #{Pathname.new(value).realpath}" if File.symlink?(value)
    end
    f.puts s
  end
end

.dump_options_for_formula(f) ⇒ Object 


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# File 'Library/Homebrew/options.rb', line 119

def dump_options_for_formula(f)
  f.options.sort_by(&:flag).each do |opt|
    puts "#{opt.flag}\n\t#{opt.description}"
  end
  puts "--devel\n\tInstall development version #{f.devel.version}" if f.devel
  puts "--HEAD\n\tInstall HEAD version" if f.head
end

.edit ⇒ Object 


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

def edit
  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

  # If no brews are listed, open the project root in an editor.
  if ARGV.named.empty?
    editor = File.basename which_editor
    if ["atom", "subl", "mate"].include?(editor)
      # If the user is using Atom, Sublime Text or TextMate
      # give a nice project view instead.
      exec_editor HOMEBREW_REPOSITORY/"bin/brew",
                  HOMEBREW_REPOSITORY/"README.md",
                  HOMEBREW_REPOSITORY/".gitignore",
                  *library_folders
    else
      exec_editor HOMEBREW_REPOSITORY
    end
  else
    # Don't use ARGV.formulae as that will throw if the file doesn't parse
    paths = ARGV.named.map do |name|
      path = Formulary.path(name)

      raise FormulaUnavailableError, name unless path.file? || ARGV.force?

      path
    end
    exec_editor(*paths)
  end
end

.external_commands ⇒ Object 


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# File 'Library/Homebrew/cmd/commands.rb', line 46

def external_commands
  cmd_paths = PATH.new(ENV["PATH"]).append(Tap.cmd_directories)
  cmd_paths.each_with_object([]) do |path, cmds|
    Dir["#{path}/brew-*"].each do |file|
      next unless File.executable?(file)
      cmd = File.basename(file, ".rb")[5..-1]
      next if cmd.include?(".")
      cmds << cmd
    end
  end.sort
end

.failed? ⇒ Boolean 


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# File 'Library/Homebrew/global.rb', line 44

def failed?
  @failed == true
end

.fetch ⇒ Object

Raises:


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# File 'Library/Homebrew/cmd/fetch.rb', line 30

def fetch
  raise FormulaUnspecifiedError if ARGV.named.empty?

  if ARGV.include? "--deps"
    bucket = []
    ARGV.formulae.each do |f|
      bucket << f
      bucket.concat f.recursive_dependencies.map(&:to_formula)
    end
    bucket.uniq!
  else
    bucket = ARGV.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)
      begin
        fetch_formula(f.bottle)
      rescue Interrupt
        raise
      rescue => e
        raise if ARGV.homebrew_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)

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

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

.fetch_bottle?(f) ⇒ Boolean 


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

def fetch_bottle?(f)
  return true if ARGV.force_bottle? && f.bottle
  return false unless f.bottle && f.pour_bottle?
  return false if ARGV.build_formula_from_source?(f)
  return false unless f.bottle.compatible_cellar?
  true
end

.fetch_fetchable(f) ⇒ Object 


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# File 'Library/Homebrew/cmd/fetch.rb', line 118

def fetch_fetchable(f)
  f.clear_cache if ARGV.force?

  already_fetched = f.cached_download.exist?

  begin
    download = f.fetch
  rescue DownloadError
    retry if retry_fetch? f
    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) ⇒ Object 


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# File 'Library/Homebrew/cmd/fetch.rb', line 92

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

.fetch_patch(p) ⇒ Object 


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# File 'Library/Homebrew/cmd/fetch.rb', line 99

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

.fetch_pull_requests(formula) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 87

def fetch_pull_requests(formula)
  GitHub.issues_for_formula(formula.name, tap: formula.tap).select do |pr|
    pr["html_url"].include?("/pull/") &&
      /(^|\s)#{Regexp.quote(formula.name)}(:|\s|$)/i =~ pr["title"]
  end
rescue GitHub::RateLimitExceededError => e
  opoo e.message
  []
end

.fetch_resource(r) ⇒ Object 


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# File 'Library/Homebrew/cmd/fetch.rb', line 84

def fetch_resource(r)
  puts "Resource: #{r.name}"
  fetch_fetchable r
rescue ChecksumMismatchError => e
  retry if retry_fetch? r
  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 369

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 ⇒ Object 


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# File 'Library/Homebrew/cmd/list.rb', line 99

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

.find_internal_commands(directory) ⇒ Object 


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# File 'Library/Homebrew/cmd/commands.rb', line 58

def find_internal_commands(directory)
  Pathname.glob(directory/"*")
          .select(&:file?)
          .map { |f| f.basename.to_s.sub(/\.(?:rb|sh)$/, "") }
end

.force_utf8!(str) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 279

def force_utf8!(str)
  str.force_encoding("UTF-8") if str.respond_to?(:force_encoding)
end

.formula ⇒ Object

Raises:


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

def formula
  raise FormulaUnspecifiedError if ARGV.named.empty?
  ARGV.resolved_formulae.each { |f| puts f.path }
end

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


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 77

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

.full_clone? ⇒ Boolean 


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

def full_clone?
  ARGV.include?("--full") || ARGV.homebrew_developer?
end

.gist_logs ⇒ Object

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# File 'Library/Homebrew/cmd/gist-logs.rb', line 126

def gist_logs
  raise FormulaUnspecifiedError if ARGV.resolved_formulae.length != 1

  gistify_logs(ARGV.resolved_formulae.first)
end

.gistify_logs(f) ⇒ Object 


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

def gistify_logs(f)
  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) }
  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

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

  if ARGV.include?("--new-issue") || ARGV.switch?("n")
    if GitHub.api_credentials_type == :none
      puts <<~EOS
        You can create a new personal access token:
         #{GitHub::ALL_SCOPES_URL}
        and then set the new HOMEBREW_GITHUB_API_TOKEN as the authentication method.

      EOS
      login!
    end

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

  puts url if url
end

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


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

def git_log(cd_dir, path = nil, tap = nil)
  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
  args = ARGV.options_only
  args += ["--follow", "--", path] unless path.nil?
  exec "git", "log", *args
end

.github_info(f) ⇒ Object 


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# File 'Library/Homebrew/cmd/info.rb', line 91

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 83

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/master/#{path}"
  else
    "#{remote}/#{path}"
  end
end

.handle_unsatisfied_dependents(kegs_by_rack) ⇒ Object 


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# File 'Library/Homebrew/cmd/uninstall.rb', line 89

def handle_unsatisfied_dependents(kegs_by_rack)
  return if ARGV.include?("--ignore-dependencies")

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

.help(cmd = nil, flags = {}) ⇒ Object 


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# File 'Library/Homebrew/cmd/help.rb', line 39

def help(cmd = nil, flags = {})
  # Resolve command aliases and find file containing the implementation.
  if cmd
    cmd = HOMEBREW_INTERNAL_COMMAND_ALIASES.fetch(cmd, cmd)
    path = Commands.path(cmd)
    path ||= which("brew-#{cmd}")
    path ||= which("brew-#{cmd}.rb")
  end

  # Display command-specific (or generic) help in response to `UsageError`.
  if (error_message = flags[:usage_error])
    $stderr.puts path ? command_help(path) : HOMEBREW_HELP
    $stderr.puts
    onoe error_message
    exit 1
  end

  # Handle `brew` (no arguments).
  if flags[:empty_argv]
    $stderr.puts HOMEBREW_HELP
    exit 1
  end

  # Handle `brew (-h|--help|--usage|-?|help)` (no other arguments).
  if cmd.nil?
    puts HOMEBREW_HELP
    exit 0
  end

  # Resume execution in `brew.rb` for unknown commands.
  return if path.nil?

  # Display help for internal command (or generic help if undocumented).
  puts command_help(path)
  exit 0
end

.home ⇒ Object 


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

def home
  if ARGV.named.empty?
    exec_browser HOMEBREW_WWW
  else
    exec_browser(*ARGV.formulae.map(&:homepage))
  end
end

.info ⇒ Object 


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

def info
  # eventually we'll solidify an API, but we'll keep old versions
  # awhile around for compatibility
  if ARGV.json == "v1"
    print_json
  elsif ARGV.flag? "--github"
    exec_browser(*ARGV.formulae.map { |f| github_info(f) })
  else
    print_info
  end
end

.info_formula(f) ⇒ Object 


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

def info_formula(f)
  specs = []

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

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

  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"
    Homebrew.dump_options_for_formula f
  end

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

.inject_dump_stats!(the_module, pattern) ⇒ Object

rubocop:disable Style/GlobalVars


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# File 'Library/Homebrew/utils.rb', line 242

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

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

.inreplace_pairs(path, replacement_pairs) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bump-formula-pr.rb', line 49

def inreplace_pairs(path, replacement_pairs)
  if ARGV.dry_run?
    contents = path.open("r") { |f| Formulary.ensure_utf8_encoding(f).read }
    contents.extend(StringInreplaceExtension)
    replacement_pairs.each do |old, new|
      unless ARGV.flag?("--quiet")
        ohai "replace #{old.inspect} with #{new.inspect}"
      end
      contents.gsub!(old, new)
    end
    unless contents.errors.empty?
      raise Utils::InreplaceError, path => contents.errors
    end
    path.atomic_write(contents) if ARGV.include?("--write")
    contents
  else
    Utils::Inreplace.inreplace(path) do |s|
      replacement_pairs.each do |old, new|
        unless ARGV.flag?("--quiet")
          ohai "replace #{old.inspect} with #{new.inspect}"
        end
        s.gsub!(old, new)
      end
    end
    path.open("r") { |f| Formulary.ensure_utf8_encoding(f).read }
  end
end

.install ⇒ Object

Raises:


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# File 'Library/Homebrew/cmd/install.rb', line 78

def install
  raise FormulaUnspecifiedError if ARGV.named.empty?

  if ARGV.include? "--head"
    raise "Specify `--HEAD` in uppercase to build from trunk."
  end

  unless ARGV.force?
    ARGV.named.each do |name|
      next if File.exist?(name)
      if name !~ HOMEBREW_TAP_FORMULA_REGEX && name !~ HOMEBREW_CASK_TAP_CASK_REGEX
        next
      end
      tap = Tap.fetch(Regexp.last_match(1), Regexp.last_match(2))
      tap.install unless tap.installed?
    end
  end

  begin
    formulae = []

    unless ARGV.casks.empty?
      args = []
      args << "--force" if ARGV.force?
      args << "--debug" if ARGV.debug?
      args << "--verbose" if ARGV.verbose?

      ARGV.casks.each do |c|
        ohai "brew cask install #{c} #{args.join " "}"
        system("#{HOMEBREW_PREFIX}/bin/brew", "cask", "install", c, *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 unless DevelopmentTools.installed?

    ARGV.formulae.each do |f|
      # head-only without --HEAD is an error
      if !ARGV.build_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 !ARGV.build_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 ARGV.build_stable? && f.stable.nil?
        raise "#{f.full_name} has no stable download, please choose --devel or --HEAD"
      end

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

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

      installed_head_version = f.latest_head_version
      new_head_installed = installed_head_version &&
                           !f.head_version_outdated?(installed_head_version, fetch_head: ARGV.fetch_head?)
      prefix_installed = f.prefix.exist? && !f.prefix.children.empty?

      if f.keg_only? && f.any_version_installed? && f.optlinked? && !ARGV.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.name}`
          EOS
        else
          opoo <<~EOS
            #{f.full_name} #{f.pkg_version} is already installed
          EOS
        end
      elsif (ARGV.build_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 ARGV.build_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
        end
        opoo 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? && !ARGV.force?
        # Check if the formula we try to install is the same as installed
        # but not migrated one. If --force passed then install anyway.
        opoo <<~EOS
          #{f.oldname} already installed, it's just not migrated
          You can migrate 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?
    perform_preinstall_checks

    formulae.each do |f|
      Migrator.migrate_if_needed(f)
      install_formula(f)
    end
  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).
    ofail e.message
  rescue FormulaUnavailableError => e
    if e.name == "updog"
      ofail "What's updog?"
      return
    end

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

    query = query_regexp(e.name)

    ohai "Searching for similarly named formulae..."
    formulae_search_results = search_formulae(query)
    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(query)
    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
end

.install_core_tap_if_necessary ⇒ Object 


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# File 'Library/Homebrew/cmd/update-report.rb', line 123

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) ⇒ Object 


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# File 'Library/Homebrew/cmd/install.rb', line 329

def install_formula(f)
  f.print_tap_action
  build_options = f.build

  fi = FormulaInstaller.new(f)
  fi.options              = build_options.used_options
  fi.invalid_option_names = build_options.invalid_option_names
  fi.ignore_deps          = ARGV.ignore_deps?
  fi.only_deps            = ARGV.only_deps?
  fi.build_bottle         = ARGV.build_bottle?
  fi.interactive          = ARGV.interactive?
  fi.git                  = ARGV.git?
  fi.prelude
  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.
  return
rescue CannotInstallFormulaError => e
  ofail e.message
end

.install_gem_setup_path!(name, version = nil, executable = name) ⇒ Object 


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# File 'Library/Homebrew/utils.rb', line 200

def install_gem_setup_path!(name, version = nil, executable = name)
  # Match where our bundler gems are.
  ENV["GEM_HOME"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
  ENV["GEM_PATH"] = ENV["GEM_HOME"]

  # Make rubygems notice env changes.
  Gem.clear_paths
  Gem::Specification.reset

  # Add Gem binary directory and (if missing) Ruby binary directory to PATH.
  path = PATH.new(ENV["PATH"])
  path.prepend(RUBY_BIN) if which("ruby") != RUBY_PATH
  path.prepend(Gem.bindir)
  ENV["PATH"] = path

  if Gem::Specification.find_all_by_name(name, version).empty?
    ohai "Installing or updating '#{name}' gem"
    install_args = %W[--no-ri --no-rdoc #{name}]
    install_args << "--version" << version if version

    # Do `gem install [...]` without having to spawn a separate process or
    # having to find the right `gem` binary for the running Ruby interpreter.
    require "rubygems/commands/install_command"
    install_cmd = Gem::Commands::InstallCommand.new
    install_cmd.handle_options(install_args)
    exit_code = 1 # Should not matter as `install_cmd.execute` always throws.
    begin
      install_cmd.execute
    rescue Gem::SystemExitException => e
      exit_code = e.exit_code
    end
    odie "Failed to install/update the '#{name}' gem." if exit_code.nonzero?
  end

  return if which(executable)
  odie <<~EOS
    The '#{name}' gem is installed but couldn't find '#{executable}' in the PATH:
    #{ENV["PATH"]}
  EOS
end

.internal_commands ⇒ Object 


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# File 'Library/Homebrew/cmd/commands.rb', line 38

def internal_commands
  find_internal_commands HOMEBREW_LIBRARY_PATH/"cmd"
end

.internal_developer_commands ⇒ Object 


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# File 'Library/Homebrew/cmd/commands.rb', line 42

def internal_developer_commands
  find_internal_commands HOMEBREW_LIBRARY_PATH/"dev-cmd"
end

.irb ⇒ Object 


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

def irb
  $LOAD_PATH.unshift("#{HOMEBREW_LIBRARY_PATH}/cask/lib")
  require "hbc"

  if ARGV.include? "--examples"
    puts "'v8'.f # => instance of the v8 formula"
    puts ":hub.f.installed?"
    puts ":lua.f.methods - 1.methods"
    puts ":mpd.f.recursive_dependencies.reject(&:installed?)"
  else
    ohai "Interactive Homebrew Shell"
    puts "Example commands available with: brew irb --examples"
    IRB.start
  end
end

.keg_contain?(string, keg, ignores) ⇒ Boolean 


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 71

def keg_contain?(string, keg, ignores)
  @put_string_exists_header, @put_filenames = nil

  print_filename = lambda do |str, filename|
    unless @put_string_exists_header
      opoo "String '#{str}' still exists in these files:"
      @put_string_exists_header = true
    end

    @put_filenames ||= []

    return if @put_filenames.include?(filename)

    puts Formatter.error(filename.to_s)
    @put_filenames << filename
  end

  result = false

  keg.each_unique_file_matching(string) do |file|
    next if Metafiles::EXTENSIONS.include?(file.extname) # Skip document files.

    linked_libraries = Keg.file_linked_libraries(file, string)
    result ||= !linked_libraries.empty?

    if ARGV.verbose?
      print_filename.call(string, file) unless linked_libraries.empty?
      linked_libraries.each do |lib|
        puts " #{Tty.bold}-->#{Tty.reset} links to #{lib}"
      end
    end

    text_matches = []

    # Use strings to search through the file for each string
    Utils.popen_read("strings", "-t", "x", "-", file.to_s) do |io|
      until io.eof?
        str = io.readline.chomp
        next if ignores.any? { |i| i =~ str }
        next unless str.include? string
        offset, match = str.split(" ", 2)
        next if linked_libraries.include? match # Don't bother reporting a string if it was found by otool

        result = true
        text_matches << [match, offset]
      end
    end

    next unless ARGV.verbose? && !text_matches.empty?
    print_filename.call(string, file)
    text_matches.first(MAXIMUM_STRING_MATCHES).each do |match, offset|
      puts " #{Tty.bold}-->#{Tty.reset} match '#{match}' at offset #{Tty.bold}0x#{offset}#{Tty.reset}"
    end

    if text_matches.size > MAXIMUM_STRING_MATCHES
      puts "Only the first #{MAXIMUM_STRING_MATCHES} matches were output"
    end
  end

  keg_contain_absolute_symlink_starting_with?(string, keg) || result
end

.keg_contain_absolute_symlink_starting_with?(string, keg) ⇒ Boolean 


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 133

def keg_contain_absolute_symlink_starting_with?(string, keg)
  absolute_symlinks_start_with_string = []
  keg.find do |pn|
    next unless pn.symlink? && (link = pn.readlink).absolute?
    absolute_symlinks_start_with_string << pn if link.to_s.start_with?(string)
  end

  if ARGV.verbose?
    unless absolute_symlinks_start_with_string.empty?
      opoo "Absolute symlink starting with #{string}:"
      absolute_symlinks_start_with_string.each do |pn|
        puts "  #{pn} -> #{pn.resolved_path}"
      end
    end
  end

  !absolute_symlinks_start_with_string.empty?
end

.keg_only?(rack) ⇒ Boolean 


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# File 'Library/Homebrew/cmd/link.rb', line 91

def keg_only?(rack)
  Formulary.from_rack(rack).keg_only?
rescue FormulaUnavailableError, TapFormulaAmbiguityError, TapFormulaWithOldnameAmbiguityError
  false
end

.leaves ⇒ Object 


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

def leaves
  installed = Formula.installed.sort
  deps_of_installed = Set.new

  installed.each do |f|
    deps = f.runtime_dependencies.map { |d| d.to_formula.full_name }
    deps_of_installed.merge(deps)
  end

  installed.each do |f|
    puts f.full_name unless deps_of_installed.include? f.full_name
  end
end

.library_folders ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/edit.rb', line 47

def library_folders
  Dir["#{HOMEBREW_LIBRARY}/*"].reject do |d|
    case File.basename(d)
    when "LinkedKegs", "Aliases" then true
    end
  end
end

.link ⇒ Object

Raises:


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

def link
  raise KegUnspecifiedError if ARGV.named.empty?

  mode = OpenStruct.new

  mode.overwrite = true if ARGV.include? "--overwrite"
  mode.dry_run = true if ARGV.dry_run?

  ARGV.kegs.each do |keg|
    keg_only = keg_only?(keg.rack)
    if HOMEBREW_PREFIX.to_s == "/usr/local" && keg_only &&
       keg.name.start_with?("openssl", "libressl")
      opoo <<~EOS
        Refusing to link: #{keg.name}
        Linking keg-only #{keg.name} means you may end up linking against the insecure,
        deprecated system OpenSSL while using the headers from Homebrew's #{keg.name}.
        Instead, pass the full include/library paths to your compiler e.g.:
          -I#{HOMEBREW_PREFIX}/opt/#{keg.name}/include -L#{HOMEBREW_PREFIX}/opt/#{keg.name}/lib
      EOS
      next
    elsif keg.linked?
      opoo "Already linked: #{keg}"
      puts "To relink: brew unlink #{keg.name} && brew link #{keg.name}"
      next
    elsif keg_only && !ARGV.force?
      opoo "#{keg.name} is keg-only and must be linked with --force"
      puts "Note that doing so can interfere with building software."
      puts_keg_only_path_message(keg)
      next
    elsif mode.dry_run && mode.overwrite
      puts "Would remove:"
      keg.link(mode)

      next
    elsif mode.dry_run
      puts "Would link:"
      keg.link(mode)
      puts_keg_only_path_message(keg) if keg_only

      next
    end

    keg.lock do
      print "Linking #{keg}... "
      puts if ARGV.verbose?

      begin
        n = keg.link(mode)
      rescue Keg::LinkError
        puts
        raise
      else
        puts "#{n} symlinks created"
      end

      puts_keg_only_path_message(keg) if keg_only && !ARGV.homebrew_developer?
    end
  end
end

.link_completions_manpages_and_docs(repository = HOMEBREW_REPOSITORY) ⇒ Object 


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# File 'Library/Homebrew/cmd/update-report.rb', line 306

def link_completions_manpages_and_docs(repository = HOMEBREW_REPOSITORY)
  command = "brew update"
  Utils::Link.link_completions(repository, command)
  Utils::Link.link_manpages(repository, command)
  Utils::Link.link_docs(repository, command)
rescue => e
  ofail <<~EOS
    Failed to link all completions, docs and manpages:
      #{e}
  EOS
end

.linkage ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/linkage.rb', line 18

def linkage
  ARGV.kegs.each do |keg|
    ohai "Checking #{keg.name} linkage" if ARGV.kegs.size > 1
    result = LinkageChecker.new(keg)
    if ARGV.include?("--test")
      result.display_test_output
      Homebrew.failed = true if result.broken_dylibs?
    elsif ARGV.include?("--reverse")
      result.display_reverse_output
    else
      result.display_normal_output
    end
  end
end

.linkapps ⇒ Object 


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

def linkapps
  odeprecated "'brew linkapps'"

  target_dir = linkapps_target(local: ARGV.include?("--local"))

  unless target_dir.directory?
    opoo "#{target_dir} does not exist, stopping."
    puts "Run `mkdir #{target_dir}` first."
    exit 1
  end

  if ARGV.named.empty?
    kegs = Formula.racks.map do |rack|
      keg = rack.subdirs.map { |d| Keg.new(d) }
      next if keg.empty?
      keg.detect(&:linked?) || keg.max_by(&:version)
    end
  else
    kegs = ARGV.kegs
  end

  link_count = 0
  kegs.each do |keg|
    keg.apps.each do |app|
      puts "Linking: #{app}"
      target_app = target_dir/app.basename

      if target_app.exist? && !target_app.symlink?
        onoe "#{target_app} already exists, skipping."
        next
      end

      # We prefer system `ln` over `FileUtils.ln_sf` because the latter seems
      # to have weird failure conditions (that were observed in the past).
      system "ln", "-sf", app, target_dir
      link_count += 1
    end
  end

  if link_count.zero?
    puts "No apps linked to #{target_dir}" if ARGV.verbose?
  else
    puts "Linked #{Formatter.pluralize(link_count, "app")} to #{target_dir}"
  end
end

.linkapps_target(opts = {}) ⇒ Object 


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

def linkapps_target(opts = {})
  local = opts.fetch(:local, false)
  Pathname.new(local ? "~/Applications" : "/Applications").expand_path
end

.list ⇒ Object 


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# File 'Library/Homebrew/cmd/list.rb', line 27

def list
  # Use of exec means we don't explicitly exit
  list_unbrewed if ARGV.flag? "--unbrewed"

  # Unbrewed uses the PREFIX, which will exist
  # Things below use the CELLAR, which doesn't until the first formula is installed.
  unless HOMEBREW_CELLAR.exist?
    raise NoSuchKegError, ARGV.named.first unless ARGV.named.empty?
    return
  end

  if ARGV.include?("--pinned") || ARGV.include?("--versions")
    filtered_list
  elsif ARGV.named.empty?
    if ARGV.include? "--full-name"
      full_names = Formula.installed.map(&:full_name).sort(&tap_and_name_comparison)
      return if full_names.empty?
      puts Formatter.columns(full_names)
    else
      ENV["CLICOLOR"] = nil
      exec "ls", *ARGV.options_only << HOMEBREW_CELLAR
    end
  elsif ARGV.verbose? || !$stdout.tty?
    exec "find", *ARGV.kegs.map(&:to_s) + %w[-not -type d -print]
  else
    ARGV.kegs.each { |keg| PrettyListing.new keg }
  end
end

.list_unbrewed ⇒ Object 


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# File 'Library/Homebrew/cmd/list.rb', line 79

def list_unbrewed
  dirs  = HOMEBREW_PREFIX.subdirs.map { |dir| dir.basename.to_s }
  dirs -= %w[Library Cellar .git]

  # Exclude cache, logs, and repository, if they are located under the prefix.
  [HOMEBREW_CACHE, HOMEBREW_LOGS, HOMEBREW_REPOSITORY].each do |dir|
    dirs.delete dir.relative_path_from(HOMEBREW_PREFIX).to_s
  end
  dirs.delete "etc"
  dirs.delete "var"

  args = dirs.sort + %w[-type f (]
  args.concat UNBREWED_EXCLUDE_FILES.flat_map { |f| %W[! -name #{f}] }
  args.concat UNBREWED_EXCLUDE_PATHS.flat_map { |d| %W[! -path #{d}] }
  args.concat %w[)]

  cd HOMEBREW_PREFIX
  exec "find", *args
end

.load_logs(dir) ⇒ Object 


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 97

def load_logs(dir)
  logs = {}
  if dir.exist?
    dir.children.sort.each do |file|
      contents = file.size? ? file.read : "empty log"
      # small enough to avoid GitHub "unicorn" page-load-timeout errors
      max_file_size = 1_000_000
      contents = truncate_text_to_approximate_size(contents, max_file_size, front_weight: 0.2)
      logs[file.basename.to_s] = { content: contents }
    end
  end
  raise "No logs." if logs.empty?
  logs
end

.log ⇒ Object 


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

def log
  if ARGV.named.empty?
    git_log HOMEBREW_REPOSITORY
  else
    path = Formulary.path(ARGV.named.first)
    tap = Tap.from_path(path)
    git_log path.dirname, path, tap
  end
end

.login! ⇒ Object 


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 89

def login!
  print "GitHub User: "
  ENV["HOMEBREW_GITHUB_API_USERNAME"] = $stdin.gets.chomp
  print "Password: "
  ENV["HOMEBREW_GITHUB_API_PASSWORD"] = noecho_gets.chomp
  puts
end

.man ⇒ Object

Raises:


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

def man
  raise UsageError unless ARGV.named.empty?

  if ARGV.flag? "--link"
    odie "`brew man --link` is now done automatically by `brew update`."
  end

  regenerate_man_pages

  if system "git", "-C", HOMEBREW_REPOSITORY, "diff", "--quiet", "docs/Manpage.md", "manpages"
    puts "No changes to manpage output detected."
  elsif ARGV.include?("--fail-if-changed")
    Homebrew.failed = true
  end
end

.merge ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/bottle.rb', line 373

def merge
  write = ARGV.include? "--write"

  bottles_hash = ARGV.named.reduce({}) do |hash, json_file|
    deep_merge_hashes hash, JSON.parse(IO.read(json_file))
  end

  bottles_hash.each do |formula_name, bottle_hash|
    ohai formula_name

    bottle = BottleSpecification.new
    bottle.root_url bottle_hash["bottle"]["root_url"]
    cellar = bottle_hash["bottle"]["cellar"]
    cellar = cellar.to_sym if ["any", "any_skip_relocation"].include?(cellar)
    bottle.cellar cellar
    bottle.prefix bottle_hash["bottle"]["prefix"]
    bottle.rebuild bottle_hash["bottle"]["rebuild"]
    bottle_hash["bottle"]["tags"].each do |tag, tag_hash|
      bottle.sha256 tag_hash["sha256"] => tag.to_sym
    end

    output = bottle_output bottle

    if write
      path = Pathname.new((HOMEBREW_REPOSITORY/bottle_hash["formula"]["path"]).to_s)
      update_or_add = nil

      Utils::Inreplace.inreplace(path) do |s|
        if s.include? "bottle do"
          update_or_add = "update"
          if ARGV.include? "--keep-old"
            mismatches = []
            bottle_block_contents = s[/  bottle do(.+?)end\n/m, 1]
            bottle_block_contents.lines.each do |line|
              line = line.strip
              next if line.empty?
              key, old_value_original, _, tag = line.split " ", 4
              valid_key = %w[root_url prefix cellar rebuild sha1 sha256].include? key
              next unless valid_key

              old_value = old_value_original.to_s.delete ":'\""
              tag = tag.to_s.delete ":"

              unless tag.empty?
                if !bottle_hash["bottle"]["tags"][tag].to_s.empty?
                  mismatches << "#{key} => #{tag}"
                else
                  bottle.send(key, old_value => tag.to_sym)
                end
                next
              end

              value_original = bottle_hash["bottle"][key]
              value = value_original.to_s
              next if key == "cellar" && old_value == "any" && value == "any_skip_relocation"
              next unless old_value.empty? || value != old_value
              old_value = old_value_original.inspect
              value = value_original.inspect
              mismatches << "#{key}: old: #{old_value}, new: #{value}"
            end

            unless mismatches.empty?
              odie <<~EOS
                --keep-old was passed but there are changes in:
                #{mismatches.join("\n")}
              EOS
            end
            output = bottle_output bottle
          end
          puts output
          string = s.sub!(/  bottle do.+?end\n/m, output)
          odie "Bottle block update failed!" unless string
        else
          if ARGV.include? "--keep-old"
            odie "--keep-old was passed but there was no existing bottle block!"
          end
          puts output
          update_or_add = "add"
          if s.include? "stable do"
            indent = s.slice(/^( +)stable do/, 1).length
            string = s.sub!(/^ {#{indent}}stable do(.|\n)+?^ {#{indent}}end\n/m, '\0' + output + "\n")
          else
            string = s.sub!(
              /(
                (\ {2}\#[^\n]*\n)*                                             # comments
                \ {2}(                                                         # two spaces at the beginning
                  (url|head)\ ['"][\S\ ]+['"]                                  # url or head with a string
                  (
                    ,[\S\ ]*$                                                  # url may have options
                    (\n^\ {3}[\S\ ]+$)*                                        # options can be in multiple lines
                  )?|
                  (homepage|desc|sha1|sha256|version|mirror)\ ['"][\S\ ]+['"]| # specs with a string
                  revision\ \d+                                                # revision with a number
                )\n+                                                           # multiple empty lines
               )+
             /mx, '\0' + output + "\n"
            )
          end
          odie "Bottle block addition failed!" unless string
        end
      end

      unless ARGV.include? "--no-commit"
        if ENV["HOMEBREW_GIT_NAME"]
          ENV["GIT_AUTHOR_NAME"] =
            ENV["GIT_COMMITTER_NAME"] =
              ENV["HOMEBREW_GIT_NAME"]
        end
        if ENV["HOMEBREW_GIT_EMAIL"]
          ENV["GIT_AUTHOR_EMAIL"] =
            ENV["GIT_COMMITTER_EMAIL"] =
              ENV["HOMEBREW_GIT_EMAIL"]
        end

        short_name = formula_name.split("/", -1).last
        pkg_version = bottle_hash["formula"]["pkg_version"]

        path.parent.cd do
          safe_system "git", "commit", "--no-edit", "--verbose",
            "--message=#{short_name}: #{update_or_add} #{pkg_version} bottle.",
            "--", path
        end
      end
    else
      puts output
    end
  end
end

.migrate ⇒ Object

Raises:


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

def migrate
  raise FormulaUnspecifiedError if ARGV.named.empty?

  ARGV.resolved_formulae.each do |f|
    if f.oldname
      unless (rack = HOMEBREW_CELLAR/f.oldname).exist? && !rack.subdirs.empty?
        raise NoSuchKegError, f.oldname
      end
      raise "#{rack} is a symlink" if rack.symlink?
    end

    migrator = Migrator.new(f)
    migrator.migrate
  end
end

.migrate_legacy_cache_if_necessary ⇒ Object 


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# File 'Library/Homebrew/cmd/update-report.rb', line 133

def migrate_legacy_cache_if_necessary
  legacy_cache = Pathname.new "/Library/Caches/Homebrew"
  return if HOMEBREW_CACHE.to_s == legacy_cache.to_s
  return unless legacy_cache.directory?
  return unless legacy_cache.readable_real?

  migration_attempted_file = legacy_cache/".migration_attempted"
  return if migration_attempted_file.exist?

  return unless legacy_cache.writable_real?
  FileUtils.touch migration_attempted_file

  # Cleanup to avoid copying files unnecessarily
  ohai "Cleaning up #{legacy_cache}..."
  Cleanup.cleanup_cache legacy_cache

  # This directory could have been compromised if it's world-writable/
  # a symlink/owned by another user so don't copy files in those cases.
  world_writable = legacy_cache.stat.mode & 0777 == 0777
  return if world_writable
  return if legacy_cache.symlink?
  return if !legacy_cache.owned? && legacy_cache.lstat.uid.nonzero?

  ohai "Migrating #{legacy_cache} to #{HOMEBREW_CACHE}..."
  HOMEBREW_CACHE.mkpath
  legacy_cache.cd do
    legacy_cache.entries.each do |f|
      next if [".", "..", ".migration_attempted"].include? f.to_s
      begin
        FileUtils.cp_r f, HOMEBREW_CACHE
      rescue
        @migration_failed ||= true
      end
    end
  end

  if @migration_failed
    opoo <<~EOS
      Failed to migrate #{legacy_cache} to
      #{HOMEBREW_CACHE}. Please do so manually.
    EOS
  else
    ohai "Deleting #{legacy_cache}..."
    FileUtils.rm_rf legacy_cache
    if legacy_cache.exist?
      FileUtils.touch migration_attempted_file
      opoo <<~EOS
        Failed to delete #{legacy_cache}.
        Please do so manually.
      EOS
    end
  end
end

.migrate_legacy_repository_if_necessary ⇒ Object 


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# File 'Library/Homebrew/cmd/update-report.rb', line 187

def migrate_legacy_repository_if_necessary
  return unless HOMEBREW_PREFIX.to_s == "/usr/local"
  return unless HOMEBREW_REPOSITORY.to_s == "/usr/local"

  ohai "Migrating HOMEBREW_REPOSITORY (please wait)..."

  unless HOMEBREW_PREFIX.writable_real?
    ofail <<~EOS
      #{HOMEBREW_PREFIX} is not writable.

      You should change the ownership and permissions of #{HOMEBREW_PREFIX}
      temporarily back to your user account so we can complete the Homebrew
      repository migration:
        sudo chown -R $(whoami) #{HOMEBREW_PREFIX}
    EOS
    return
  end

  new_homebrew_repository = Pathname.new "/usr/local/Homebrew"
  new_homebrew_repository.rmdir_if_possible
  if new_homebrew_repository.exist?
    ofail <<~EOS
      #{new_homebrew_repository} already exists.
      Please remove it manually or uninstall and reinstall Homebrew into a new
      location as the migration cannot be done automatically.
    EOS
    return
  end
  new_homebrew_repository.mkpath

  repo_files = HOMEBREW_REPOSITORY.cd do
    Utils.popen_read("git ls-files").lines.map(&:chomp)
  end

  unless Utils.popen_read("git status --untracked-files=all --porcelain").empty?
    HOMEBREW_REPOSITORY.cd do
      quiet_system "git", "merge", "--abort"
      quiet_system "git", "rebase", "--abort"
      quiet_system "git", "reset", "--mixed"
      safe_system "git", "-c", "[email protected]",
                         "-c", "user.name=brew update",
                         "stash", "save", "--include-untracked"
    end
    stashed = true
  end

  FileUtils.cp_r "#{HOMEBREW_REPOSITORY}/.git", "#{new_homebrew_repository}/.git"
  new_homebrew_repository.cd do
    safe_system "git", "checkout", "--force", "."
    safe_system "git", "stash", "pop" if stashed
  end

  if (HOMEBREW_REPOSITORY/"Library/Locks").exist?
    FileUtils.cp_r "#{HOMEBREW_REPOSITORY}/Library/Locks", "#{new_homebrew_repository}/Library/Locks"
  end

  if (HOMEBREW_REPOSITORY/"Library/Taps").exist?
    FileUtils.cp_r "#{HOMEBREW_REPOSITORY}/Library/Taps", "#{new_homebrew_repository}/Library/Taps"
  end

  unremovable_paths = []
  extra_remove_paths = [".git", "Library/Locks", "Library/Taps",
                        "Library/Homebrew/cask", "Library/Homebrew/test"]
  (repo_files + extra_remove_paths).each do |file|
    path = Pathname.new "#{HOMEBREW_REPOSITORY}/#{file}"
    begin
      FileUtils.rm_rf path
    rescue Errno::EACCES
      unremovable_paths << path
    end
    quiet_system "rmdir", "-p", path.parent if path.parent.exist?
  end

  unless unremovable_paths.empty?
    ofail <<~EOS
      Could not remove old HOMEBREW_REPOSITORY paths!
      Please do this manually with:
        sudo rm -rf #{unremovable_paths.join " "}
    EOS
  end

  (Keg::ALL_TOP_LEVEL_DIRECTORIES + ["Cellar"]).each do |dir|
    FileUtils.mkdir_p "#{HOMEBREW_PREFIX}/#{dir}"
  end

  src = Pathname.new("#{new_homebrew_repository}/bin/brew")
  dst = Pathname.new("#{HOMEBREW_PREFIX}/bin/brew")
  begin
    FileUtils.ln_s(src.relative_path_from(dst.parent), dst)
  rescue Errno::EACCES, Errno::ENOENT
    ofail <<~EOS
      Could not create symlink at #{dst}!
      Please do this manually with:
        sudo ln -sf #{src} #{dst}
        sudo chown $(whoami) #{dst}
    EOS
  end

  link_completions_manpages_and_docs(new_homebrew_repository)

  ohai "Migrated HOMEBREW_REPOSITORY to #{new_homebrew_repository}!"
  puts <<~EOS
    Homebrew no longer needs to have ownership of /usr/local. If you wish you can
    return /usr/local to its default ownership with:
      sudo chown root:wheel #{HOMEBREW_PREFIX}
  EOS
rescue => e
  ofail <<~EOS
    #{Tty.bold}Failed to migrate HOMEBREW_REPOSITORY to #{new_homebrew_repository}!#{Tty.reset}
    The error was:
      #{e}
    Please try to resolve this error yourself and then run `brew update` again to
    complete the migration. If you need help please +1 an existing error or comment
    with your new error in issue:
      #{Formatter.url("https://github.com/Homebrew/brew/issues/987")}
  EOS
  $stderr.puts e.backtrace
end

.mirror ⇒ Object 


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

def mirror
  odie "This command requires at least formula argument!" if ARGV.named.empty?

  bintray_user = ENV["HOMEBREW_BINTRAY_USER"]
  bintray_key = ENV["HOMEBREW_BINTRAY_KEY"]
  if !bintray_user || !bintray_key
    raise "Missing HOMEBREW_BINTRAY_USER or HOMEBREW_BINTRAY_KEY variables!"
  end

  ARGV.formulae.each do |f|
    bintray_package = Utils::Bottles::Bintray.package f.name
    bintray_repo_url = "https://api.bintray.com/packages/homebrew/mirror"
    package_url = "#{bintray_repo_url}/#{bintray_package}"

    unless system "curl", "--silent", "--fail", "--output", "/dev/null", package_url
      package_blob = <<~EOS
        {"name": "#{bintray_package}",
         "public_download_numbers": true,
         "public_stats": true}
      EOS
      curl "--silent", "--fail", "--user", "#{bintray_user}:#{bintray_key}",
           "--header", "Content-Type: application/json",
           "--data", package_blob, bintray_repo_url
      puts
    end

    download = f.fetch
    f.verify_download_integrity(download)
    filename = download.basename
    destination_url = "https://dl.bintray.com/homebrew/mirror/#{filename}"

    ohai "Uploading to #{destination_url}"
    content_url = "https://api.bintray.com/content/homebrew/mirror"
    content_url += "/#{bintray_package}/#{f.pkg_version}/#{filename}"
    content_url += "?publish=1"
    curl "--silent", "--fail", "--user", "#{bintray_user}:#{bintray_key}",
         "--upload-file", download, content_url
    puts
    ohai "Mirrored #{filename}!"
  end
end

.missing ⇒ Object 


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# File 'Library/Homebrew/cmd/missing.rb', line 15

def missing
  return unless HOMEBREW_CELLAR.exist?

  ff = if ARGV.named.empty?
    Formula.installed.sort
  else
    ARGV.resolved_formulae.sort
  end

  ff.each do |f|
    missing = f.missing_dependencies(hide: ARGV.values("hide"))
    next if missing.empty?

    print "#{f}: " if ff.size > 1
    puts missing.join(" ")
  end
end

.noecho_gets ⇒ Object

Hack for ruby < 1.9.3


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# File 'Library/Homebrew/cmd/gist-logs.rb', line 81

def noecho_gets
  system "stty -echo"
  result = $stdin.gets
  system "stty echo"
  puts
  result
end

.options ⇒ Object 


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

def options
  if ARGV.include? "--all"
    puts_options Formula.to_a.sort
  elsif ARGV.include? "--installed"
    puts_options Formula.installed.sort
  else
    raise FormulaUnspecifiedError if ARGV.named.empty?
    puts_options ARGV.formulae
  end
end

.outdated ⇒ Object 


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# File 'Library/Homebrew/cmd/outdated.rb', line 26

def outdated
  formulae = if ARGV.resolved_formulae.empty?
    Formula.installed
  else
    ARGV.resolved_formulae
  end
  if ARGV.json == "v1"
    outdated = print_outdated_json(formulae)
  else
    outdated = print_outdated(formulae)
  end
  Homebrew.failed = !ARGV.resolved_formulae.empty? && !outdated.empty?
end

.path_glob_commands(glob) ⇒ Object 


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

def path_glob_commands(glob)
  Pathname.glob(glob)
          .sort_by { |source_file| sort_key_for_path(source_file) }
          .map(&:read).map(&:lines)
          .map { |lines| lines.grep(/^#:/).map { |line| line.slice(2..-1) }.join }
          .reject { |s| s.strip.empty? || s.include?("@hide_from_man_page") }
end

.pbcopy(text) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 442

def pbcopy(text)
  Utils.popen_write("pbcopy") { |io| io.write text }
end

.perform_preinstall_checks ⇒ Object 


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

def perform_preinstall_checks
  check_ppc
  check_writable_install_location
  check_development_tools if DevelopmentTools.installed?
  check_cellar
end

.pin ⇒ Object

Raises:


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

def pin
  raise FormulaUnspecifiedError if ARGV.named.empty?

  ARGV.resolved_formulae.each do |f|
    if f.pinned?
      opoo "#{f.name} already pinned"
    elsif !f.pinnable?
      onoe "#{f.name} not installed"
    else
      f.pin
    end
  end
end

.postinstall ⇒ Object 


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

def postinstall
  ARGV.resolved_formulae.each do |f|
    ohai "Postinstalling #{f}"
    run_post_install(f)
  end
end

.print_info ⇒ Object 


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# File 'Library/Homebrew/cmd/info.rb', line 45

def print_info
  if ARGV.named.empty?
    if HOMEBREW_CELLAR.exist?
      count = Formula.racks.length
      puts "#{Formatter.pluralize(count, "keg")}, #{HOMEBREW_CELLAR.abv}"
    end
  else
    ARGV.named.each_with_index do |f, i|
      puts unless i.zero?
      begin
        if f.include?("/") || File.exist?(f)
          info_formula Formulary.factory(f)
        else
          info_formula Formulary.find_with_priority(f)
        end
      rescue FormulaUnavailableError => e
        ofail e.message
        # No formula with this name, try a missing formula lookup
        if (reason = Homebrew::MissingFormula.reason(f))
          $stderr.puts reason
        end
      end
    end
  end
end

.print_json ⇒ Object 


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# File 'Library/Homebrew/cmd/info.rb', line 71

def print_json
  ff = if ARGV.include? "--all"
    Formula.sort
  elsif ARGV.include? "--installed"
    Formula.installed.sort
  else
    ARGV.formulae
  end
  json = ff.map(&:to_hash)
  puts JSON.generate(json)
end

.print_outdated(formulae) ⇒ Object 


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# File 'Library/Homebrew/cmd/outdated.rb', line 40

def print_outdated(formulae)
  verbose = ($stdout.tty? || ARGV.verbose?) && !ARGV.flag?("--quiet")
  fetch_head = ARGV.fetch_head?

  outdated_formulae = formulae.select { |f| f.outdated?(fetch_head: fetch_head) }

  outdated_formulae.each do |f|
    if verbose
      outdated_kegs = f.outdated_kegs(fetch_head: fetch_head)

      current_version = if f.alias_changed?
        latest = f.latest_formula
        "#{latest.name} (#{latest.pkg_version})"
      elsif f.head? && outdated_kegs.any? { |k| k.version.to_s == f.pkg_version.to_s }
        # There is a newer HEAD but the version number has not changed.
        "latest HEAD"
      else
        f.pkg_version.to_s
      end

      outdated_versions = outdated_kegs
                          .group_by { |keg| Formulary.from_keg(keg).full_name }
                          .sort_by { |full_name, _kegs| full_name }
                          .map do |full_name, kegs|
        "#{full_name} (#{kegs.map(&:version).join(", ")})"
      end.join(", ")

      pinned_version = " [pinned at #{f.pinned_version}]" if f.pinned?

      puts "#{outdated_versions} < #{current_version}#{pinned_version}"
    else
      puts f.full_installed_specified_name
    end
  end
end

.print_outdated_json(formulae) ⇒ Object 


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

def print_outdated_json(formulae)
  json = []
  fetch_head = ARGV.fetch_head?
  outdated_formulae = formulae.select { |f| f.outdated?(fetch_head: fetch_head) }

  outdated = outdated_formulae.each do |f|
    outdated_versions = f.outdated_kegs(fetch_head: 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

    json << { name: f.full_name,
              installed_versions: outdated_versions.collect(&:to_s),
              current_version: current_version,
              pinned: f.pinned?,
              pinned_version: f.pinned_version }
  end
  puts JSON.generate(json)

  outdated
end

.print_tap_info(taps) ⇒ Object 


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# File 'Library/Homebrew/cmd/tap-info.rb', line 39

def print_tap_info(taps)
  if taps.none?
    tap_count = 0
    formula_count = 0
    command_count = 0
    pinned_count = 0
    private_count = 0
    Tap.each do |tap|
      tap_count += 1
      formula_count += tap.formula_files.size
      command_count += tap.command_files.size
      pinned_count += 1 if tap.pinned?
      private_count += 1 if tap.private?
    end
    info = Formatter.pluralize(tap_count, "tap").to_s
    info += ", #{pinned_count} pinned"
    info += ", #{private_count} private"
    info += ", #{Formatter.pluralize(formula_count, "formula")}"
    info += ", #{Formatter.pluralize(command_count, "command")}"
    info += ", #{Tap::TAP_DIRECTORY.abv}" if Tap::TAP_DIRECTORY.directory?
    puts info
  else
    taps.each_with_index do |tap, i|
      puts unless i.zero?
      info = "#{tap}: "
      if tap.installed?
        info += tap.pinned? ? "pinned" : "unpinned"
        info += ", private" if tap.private?
        if (formula_count = tap.formula_files.size).positive?
          info += ", #{Formatter.pluralize(formula_count, "formula")}"
        end
        if (command_count = tap.command_files.size).positive?
          info += ", #{Formatter.pluralize(command_count, "command")}"
        end
        info += ", no formulae/commands" if (formula_count + command_count).zero?
        info += "\n#{tap.path} (#{tap.path.abv})"
        info += "\nFrom: #{tap.remote.nil? ? "N/A" : tap.remote}"
      else
        info += "Not installed"
      end
      puts info
    end
  end
end

.print_tap_json(taps) ⇒ Object 


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# File 'Library/Homebrew/cmd/tap-info.rb', line 84

def print_tap_json(taps)
  puts JSON.generate(taps.map(&:to_hash))
end

.prune ⇒ Object 


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

def prune
  ObserverPathnameExtension.reset_counts!

  dirs = []

  Keg::PRUNEABLE_DIRECTORIES.each do |dir|
    next unless dir.directory?
    dir.find do |path|
      path.extend(ObserverPathnameExtension)
      if path.symlink?
        unless path.resolved_path_exists?
          if path.to_s =~ Keg::INFOFILE_RX
            path.uninstall_info unless ARGV.dry_run?
          end

          if ARGV.dry_run?
            puts "Would remove (broken link): #{path}"
          else
            path.unlink
          end
        end
      elsif path.directory? && !Keg::PRUNEABLE_DIRECTORIES.include?(path)
        dirs << path
      end
    end
  end

  dirs.reverse_each do |d|
    if ARGV.dry_run? && d.children.empty?
      puts "Would remove (empty directory): #{d}"
    else
      d.rmdir_if_possible
    end
  end

  unless ARGV.dry_run?
    if ObserverPathnameExtension.total.zero?
      puts "Nothing pruned" if ARGV.verbose?
    else
      n, d = ObserverPathnameExtension.counts
      print "Pruned #{n} symbolic links "
      print "and #{d} directories " if d.positive?
      puts "from #{HOMEBREW_PREFIX}"
    end
  end

  unlinkapps_prune(dry_run: ARGV.dry_run?, quiet: true)
end

.publish_bottle_file_on_bintray(f, bintray_org, creds) ⇒ Object

Publishes the current bottle files for a given formula to Bintray


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 447

def publish_bottle_file_on_bintray(f, bintray_org, creds)
  repo = Utils::Bottles::Bintray.repository(f.tap)
  package = Utils::Bottles::Bintray.package(f.name)
  info = FormulaInfoFromJson.lookup(f.full_name)
  if info.nil?
    raise "Failed publishing bottle: failed reading formula info for #{f.full_name}"
  end
  unless info.bottle_info_any
    opoo "No bottle defined in formula #{package}"
    return false
  end
  version = info.pkg_version
  ohai "Publishing on Bintray: #{package} #{version}"
  curl "--write-out", '\n', "--silent", "--fail",
       "--user", "#{creds[:user]}:#{creds[:key]}", "--request", "POST",
       "--header", "Content-Type: application/json",
       "--data", '{"publish_wait_for_secs": 0}',
       "https://api.bintray.com/content/#{bintray_org}/#{repo}/#{package}/#{version}/publish"
  true
rescue => e
  raise unless ARGV.include?("--warn-on-publish-failure")
  onoe e
  false
end

.publish_changed_formula_bottles(tap, changed_formulae_names) ⇒ Object 


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# File 'Library/Homebrew/dev-cmd/pull.rb', line 283

def publish_changed_formula_bottles(tap, changed_formulae_names)
  if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]
    raise "Need to load formulae to publish them!"
  end

  published = []
  bintray_creds = { user: ENV["HOMEBREW_BINTRAY_USER"], key: ENV["HOMEBREW_BINTRAY_KEY"] }
  if bintray_creds[:user] && bintray_creds[:key]
    changed_formulae_names.each do |name|
      f = Formula[name]
      next if f.bottle_unneeded? || f.bottle_disabled?
      bintray_org = ARGV.value("bintray-org") || tap.user.downcase
      next unless publish_bottle_file_on_bintray(f, bintray_org, bintray_creds)
      published << f.full_name
    end
  else
    opoo "You must set HOMEBREW_BINTRAY_USER and HOMEBREW_BINTRAY_KEY to add or update bottles on Bintray!"
  end
  published
end

.pull ⇒ Object 


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

def pull
  odie "You meant `git pull --rebase`." if ARGV[0] == "--rebase"

  if ARGV.named.empty?
    odie "This command requires at least one argument containing a URL or pull request number"
  end

  # Passthrough Git environment variables for e.g. git am
  if ENV["HOMEBREW_GIT_NAME"]
    ENV["GIT_COMMITTER_NAME"] = ENV["HOMEBREW_GIT_NAME"]
  end
  if ENV["HOMEBREW_GIT_EMAIL"]
    ENV["GIT_COMMITTER_EMAIL"] = ENV["HOMEBREW_GIT_EMAIL"]
  end

  do_bump = ARGV.include?("--bump") && !ARGV.include?("--clean")

  # Formulae with affected bottles that were published
  bintray_published_formulae = []
  tap = nil

  ARGV.named.each do |arg|
    arg = "#{CoreTap.instance.default_remote}/pull/#{arg}" if arg.to_i.positive?
    if (testing_match = arg.match %r{/job/Homebrew.*Testing/(\d+)/})
      tap = ARGV.value("tap")
      tap = if tap&.start_with?("homebrew/")
        Tap.fetch("homebrew", tap.strip_prefix("homebrew/"))
      elsif tap
        odie "Tap option did not start with \"homebrew/\": #{tap}"
      else
        CoreTap.instance
      end
      _, testing_job = *testing_match
      url = "https://github.com/Homebrew/homebrew-#{tap.repo}/compare/master...BrewTestBot:testing-#{testing_job}"
      odie "Testing URLs require `--bottle`!" unless ARGV.include?("--bottle")
    elsif (api_match = arg.match HOMEBREW_PULL_API_REGEX)
      _, user, repo, issue = *api_match
      url = "https://github.com/#{user}/#{repo}/pull/#{issue}"
      tap = Tap.fetch(user, repo) if repo.start_with?("homebrew-")
    elsif (url_match = arg.match HOMEBREW_PULL_OR_COMMIT_URL_REGEX)
      url, user, repo, issue = *url_match
      tap = Tap.fetch(user, repo) if repo.start_with?("homebrew-")
    else
      odie "Not a GitHub pull request or commit: #{arg}"
    end

    if !testing_job && ARGV.include?("--bottle") && issue.nil?
      odie "No pull request detected!"
    end

    if tap
      tap.install unless tap.installed?
      Dir.chdir tap.path
    else
      Dir.chdir HOMEBREW_REPOSITORY
    end

    # The cache directory seems like a good place to put patches.
    HOMEBREW_CACHE.mkpath

    # Store current revision and branch
    orig_revision = `git rev-parse --short HEAD`.strip
    branch = `git symbolic-ref --short HEAD`.strip

    unless branch == "master" || ARGV.include?("--clean") || ARGV.include?("--branch-okay")
      opoo "Current branch is #{branch}: do you need to pull inside master?"
    end

    patch_puller = PatchPuller.new(url)
    patch_puller.fetch_patch
    patch_changes = files_changed_in_patch(patch_puller.patchpath, tap)

    is_bumpable = patch_changes[:formulae].length == 1 && patch_changes[:others].empty?
    if do_bump
      odie "No changed formulae found to bump" if patch_changes[:formulae].empty?
      if patch_changes[:formulae].length > 1
        odie "Can only bump one changed formula; bumped #{patch_changes[:formulae]}"
      end
      odie "Can not bump if non-formula files are changed" unless patch_changes[:others].empty?
    end
    if is_bumpable
      old_versions = current_versions_from_info_external(patch_changes[:formulae].first)
    end
    patch_puller.apply_patch

    changed_formulae_names = []

    if tap
      Utils.popen_read(
        "git", "diff-tree", "-r", "--name-only",
        "--diff-filter=AM", orig_revision, "HEAD", "--", tap.formula_dir.to_s
      ).each_line do |line|
        next unless line.end_with? ".rb\n"
        name = "#{tap.name}/#{File.basename(line.chomp, ".rb")}"
        changed_formulae_names << name
      end
    end

    fetch_bottles = false
    changed_formulae_names.each do |name|
      next if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]

      begin
        f = Formula[name]
      rescue Exception # rubocop:disable Lint/RescueException
        # Make sure we catch syntax errors.
        next
      end

      if f.stable
        stable_urls = [f.stable.url] + f.stable.mirrors
        stable_urls.grep(%r{^https://dl.bintray.com/homebrew/mirror/}) do |mirror_url|
          check_bintray_mirror(f.full_name, mirror_url)
        end
      end

      if ARGV.include? "--bottle"
        if f.bottle_unneeded?
          ohai "#{f}: skipping unneeded bottle."
        elsif f.bottle_disabled?
          ohai "#{