Top Level Namespace

Defined Under Namespace

Modules: ArchitectureListExtension, BuildEnvironmentDSL, Commands, Debrew, Dependable, DiskUsageExtension, Emoji, EnvActivation, FileUtils, Formatter, FormulaCellarChecks, Formulary, GitHub, GitRepositoryExtension, Hardware, HashValidator, Hbc, Homebrew, HomebrewArgvExtension, IRB, InstallRenamed, Language, MachOShim, Metafiles, OS, Patch, Readall, RuboCop, SharedEnvExtension, StringInreplaceExtension, Superenv, Tty, Utils Classes: AbstractDownloadStrategy, AbstractFileDownloadStrategy, ArchRequirement, Array, BazaarDownloadStrategy, Bottle, BottleDisableReason, BottleSpecification, BottleVersionMismatchError, Buffer, Build, BuildEnvironment, BuildError, BuildFlagsError, BuildOptions, BuildToolsError, CVSDownloadStrategy, CannotInstallFormulaError, Caveats, Checksum, ChecksumMismatchError, ChecksumMissingError, Cleaner, CompilerFailure, CompilerSelectionError, CompilerSelector, CoreTap, CurlApacheMirrorDownloadStrategy, CurlBottleDownloadStrategy, CurlDownloadStrategy, CurlDownloadStrategyError, CurlPostDownloadStrategy, CxxStdlib, DATAPatch, Dependencies, Dependency, DependencyCollector, DeprecatedOption, Descriptions, DownloadError, DownloadStrategyDetector, DuplicateResourceError, EmacsRequirement, EmbeddedPatch, ErrorDuringExecution, ExternalPatch, Formula, FormulaAmbiguousPythonError, FormulaAuditor, FormulaClassUnavailableError, FormulaConflict, FormulaConflictError, FormulaCreator, FormulaInstallationAlreadyAttemptedError, FormulaInstaller, FormulaLock, FormulaPin, FormulaSpecificationError, FormulaText, FormulaUnavailableError, FormulaUnreadableError, FormulaUnspecifiedError, FormulaValidationError, FormulaVersions, FortranRequirement, FossilDownloadStrategy, GPG2Requirement, GitDownloadStrategy, GitHubGitDownloadStrategy, GitHubPrivateRepositoryDownloadStrategy, GitHubPrivateRepositoryReleaseDownloadStrategy, GitRequirement, Gpg, HeadSoftwareSpec, HeadVersion, IO, JavaRequirement, Keg, KegOnlyReason, KegUnspecifiedError, LD64Dependency, LanguageModuleRequirement, LegacyPatch, LinkageChecker, LocalBottleDownloadStrategy, Locale, MPIRequirement, MaximumMacOSRequirement, MercurialDownloadStrategy, MercurialRequirement, MethodDeprecatedError, Migrator, MinimumMacOSRequirement, MissingApplyError, Module, MultipleVersionsInstalledError, MysqlRequirement, NilClass, NoSuchKegError, NoUnzipCurlDownloadStrategy, NonBinaryOsxfuseRequirement, NotAKegError, Object, OperationInProgressError, Option, Options, OsxfuseRequirement, Pathname, PerlRequirement, PkgVersion, PostgresqlRequirement, PourBottleCheck, PrettyListing, Python3Requirement, PythonRequirement, RbenvRequirement, Reporter, ReporterHub, Requirement, Requirements, Resource, ResourceAuditor, ResourceMissingError, ResourceStageContext, RubyRequirement, S3DownloadStrategy, Sandbox, SoftwareSpec, String, StringPatch, SubversionDownloadStrategy, Symbol, SystemConfig, Tab, Tap, TapAlreadyTappedError, TapAlreadyUnshallowError, TapConfig, TapDependency, TapFormulaAmbiguityError, TapFormulaUnavailableError, TapFormulaWithOldnameAmbiguityError, TapPinStatusError, TapRemoteMismatchError, TapUnavailableError, TeXRequirement, TuntapRequirement, UnsatisfiedRequirements, UnsignedKextRequirement, UsageError, VCSDownloadStrategy, Version, X11Requirement, XcodeRequirement

Constant Summary

RUBY_TWO =

check ruby version before requiring any modules.

RUBY_VERSION.split(".").first.to_i >= 2
HOMEBREW_LIBRARY_PATH =
Pathname.new(__FILE__).realpath.parent
TEST_TIMEOUT_SECONDS =
5*60
HOMEBREW_BREW_FILE =

Path to bin/brew main executable in HOMEBREW_PREFIX

Pathname.new(ENV["HOMEBREW_BREW_FILE"])
HOMEBREW_PREFIX =

Where we link under

Pathname.new(ENV["HOMEBREW_PREFIX"])
HOMEBREW_REPOSITORY =

Where .git is found

Pathname.new(ENV["HOMEBREW_REPOSITORY"])
HOMEBREW_LIBRARY =

Where we store most of Homebrew, taps, and various metadata

Pathname.new(ENV["HOMEBREW_LIBRARY"])
HOMEBREW_SHIMS_PATH =

Where shim scripts for various build and SCM tools are stored

HOMEBREW_LIBRARY/"Homebrew/shims"
HOMEBREW_LINKED_KEGS =

Where we store symlinks to currently linked kegs

HOMEBREW_PREFIX/"var/homebrew/linked"
HOMEBREW_PINNED_KEGS =

Where we store symlinks to currently version-pinned kegs

HOMEBREW_PREFIX/"var/homebrew/pinned"
HOMEBREW_LOCK_DIR =

Where we store lock files

HOMEBREW_PREFIX/"var/homebrew/locks"
HOMEBREW_CELLAR =

Where we store built products

Pathname.new(ENV["HOMEBREW_CELLAR"])
HOMEBREW_CACHE =

Where downloads (bottles, source tarballs, etc.) are cached

Pathname.new(ENV["HOMEBREW_CACHE"])
HOMEBREW_CACHE_FORMULA =

Where brews installed via URL are cached

HOMEBREW_CACHE/"Formula"
HOMEBREW_LOGS =

Where build, postinstall, and test logs of formulae are written to

Pathname.new(ENV["HOMEBREW_LOGS"] || "~/Library/Logs/Homebrew/").expand_path
HOMEBREW_TEMP =

Must use /tmp instead of $TMPDIR because long paths break Unix domain sockets

Pathname.new(ENV.fetch("HOMEBREW_TEMP", "/tmp"))
HOMEBREW_LOAD_PATH =

Load path used by standalone scripts to access the Homebrew code base

HOMEBREW_LIBRARY_PATH
HOMEBREW_PRODUCT =
ENV["HOMEBREW_PRODUCT"]
HOMEBREW_VERSION =
ENV["HOMEBREW_VERSION"]
HOMEBREW_WWW =
"https://brew.sh".freeze
RUBY_PATH =
Pathname.new(RbConfig.ruby)
RUBY_BIN =
RUBY_PATH.dirname
HOMEBREW_USER_AGENT_CURL =
ENV["HOMEBREW_USER_AGENT_CURL"]
HOMEBREW_USER_AGENT_RUBY =
"#{ENV["HOMEBREW_USER_AGENT"]} ruby/#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}".freeze
HOMEBREW_USER_AGENT_FAKE_SAFARI =
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/602.4.8 (KHTML, like Gecko) Version/10.0.3 Safari/602.4.8".freeze
HOMEBREW_PULL_API_REGEX =
%r{https://api\.github\.com/repos/([\w-]+)/([\w-]+)?/pulls/(\d+)}
HOMEBREW_PULL_OR_COMMIT_URL_REGEX =
%r[https://github\.com/([\w-]+)/([\w-]+)?/(?:pull/(\d+)|commit/[0-9a-fA-F]{4,40})]
ORIGINAL_PATHS =
ENV["PATH"].split(File::PATH_SEPARATOR).map do |p|
  begin
    Pathname.new(p).expand_path
  rescue
    nil
  end
end.compact.freeze
HOMEBREW_INTERNAL_COMMAND_ALIASES =

TODO: remove this as soon as it's removed from commands.rb.

{
  "ls" => "list",
  "homepage" => "home",
  "-S" => "search",
  "up" => "update",
  "ln" => "link",
  "instal" => "install", # gem does the same
  "uninstal" => "uninstall",
  "rm" => "uninstall",
  "remove" => "uninstall",
  "configure" => "diy",
  "abv" => "info",
  "dr" => "doctor",
  "--repo" => "--repository",
  "environment" => "--env",
  "--config" => "config",
}.freeze
HOMEBREW_HELP =
<<-EOS.freeze
Example usage:
  brew search [TEXT|/REGEX/]
  brew (info|home|options) [FORMULA...]
  brew install FORMULA...
  brew update
  brew upgrade [FORMULA...]
  brew uninstall FORMULA...
  brew list [FORMULA...]

Troubleshooting:
  brew config
  brew doctor
  brew install -vd FORMULA

Developers:
  brew create [URL [--no-fetch]]
  brew edit [FORMULA...]
  http://docs.brew.sh/Formula-Cookbook.html

Further help:
  man brew
  brew help [COMMAND]
  brew home
EOS
HOMEBREW_RUBOCOP_VERSION =

RuboCop version used for brew style and brew cask style

"0.47.1".freeze
HOMEBREW_RUBOCOP_CASK_VERSION =

has to be updated when RuboCop version changes

"~> 0.12.0".freeze
OFFICIAL_TAPS =
%w[
  apache
  dupes
  fuse
  nginx
  php
  science
  tex
].freeze
OFFICIAL_CMD_TAPS =
{
  "homebrew/bundle" => ["bundle"],
  "homebrew/test-bot" => ["test-bot"],
  "homebrew/services" => ["services"],
}.freeze
HOMEBREW_TAP_FORMULA_REGEX =

match taps' formulae, e.g. someuser/sometap/someformula

%r{^([\w-]+)/([\w-]+)/([\w+-.@]+)$}
HOMEBREW_TAP_CASK_REGEX =

match taps' casks, e.g. someuser/sometap/somecask

%r{^([\w-]+)/([\w-]+)/([a-z0-9\-]+)$}
HOMEBREW_TAP_DIR_REGEX =

match taps' directory paths, e.g. HOMEBREW_LIBRARY/Taps/someuser/sometap

%r{#{Regexp.escape(HOMEBREW_LIBRARY.to_s)}/Taps/([\w-]+)/([\w-]+)}
HOMEBREW_TAP_PATH_REGEX =

match taps' formula paths, e.g. HOMEBREW_LIBRARY/Taps/someuser/sometap/someformula

Regexp.new(HOMEBREW_TAP_DIR_REGEX.source + %r{/(.*)}.source)
HOMEBREW_CASK_TAP_CASK_REGEX =

match the default and the versions brew-cask tap e.g. Caskroom/cask or Caskroom/versions

%r{^([Cc]askroom)/(cask|versions)/([\w+-.]+)$}
BOTTLE_ERB =
<<-EOS.freeze
  bottle do
    <% if !root_url.start_with?(BottleSpecification::DEFAULT_DOMAIN) %>
    root_url "<%= root_url %>"
    <% end %>
    <% if prefix != BottleSpecification::DEFAULT_PREFIX %>
    prefix "<%= prefix %>"
    <% end %>
    <% if cellar.is_a? Symbol %>
    cellar :<%= cellar %>
    <% elsif cellar != BottleSpecification::DEFAULT_CELLAR %>
    cellar "<%= cellar %>"
    <% end %>
    <% if rebuild > 0 %>
    rebuild <%= rebuild %>
    <% end %>
    <% checksums.each do |checksum_type, checksum_values| %>
    <% checksum_values.each do |checksum_value| %>
    <% checksum, macos = checksum_value.shift %>
    <%= checksum_type %> "<%= checksum %>" => :<%= macos %>
    <% end %>
    <% end %>
  end
EOS
MAXIMUM_STRING_MATCHES =
100
PREBUG_URL =
"https://github.com/caskroom/homebrew-cask/blob/master/doc/reporting_bugs/pre_bug_report.md".freeze
ISSUES_URL =
"https://github.com/caskroom/homebrew-cask#reporting-bugs".freeze
PYTHON_VIRTUALENV_URL =
"https://files.pythonhosted.org/packages/5c/79/5dae7494b9f5ed061cff9a8ab8d6e1f02db352f3facf907d9eb614fb80e9/virtualenv-15.0.2.tar.gz".freeze
PYTHON_VIRTUALENV_SHA256 =
"fab40f32d9ad298fba04a260f3073505a16d52539a84843cf8c8369d4fd17167".freeze

Instance Method Summary collapse

Methods included from EnvActivation

activate_extensions!, with_build_environment

Methods included from GitRepositoryExtension

git?, git_head, git_last_commit, git_last_commit_date, git_origin, git_short_head

Methods included from HomebrewArgvExtension

bottle_arch, build_all_from_source?, build_bottle?, build_devel?, build_formula_from_source?, build_from_source?, build_head?, build_stable?, build_universal?, casks, cc, collect_build_flags, debug?, dry_run?, env, fetch_head?, flag?, flags_only, force?, force_bottle?, formula_install_option_names, formulae, git?, homebrew_developer?, ignore_deps?, include?, interactive?, json, keep_tmp?, kegs, named, next, no_sandbox?, one?, only_deps?, options_only, quieter?, resolved_formulae, sandbox?, switch?, value, values, verbose?

Instance Method Details

#archs_for_command(cmd) ⇒ Object

Returns array of architectures that the given command or library is built for.



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# File 'Library/Homebrew/utils.rb', line 371

def archs_for_command(cmd)
  cmd = which(cmd) unless Pathname.new(cmd).absolute?
  Pathname.new(cmd).archs
end

#capture_stderrObject



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# File 'Library/Homebrew/utils.rb', line 385

def capture_stderr
  old = $stderr
  $stderr = StringIO.new
  yield
  $stderr.string
ensure
  $stderr = old
end

#caskObject



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

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

#curl(*args) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 33

def curl(*args)
  safe_system(*curl_args(extra_args: args))
end

#curl_args(options = {}) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 4

def curl_args(options = {})
  curl = Pathname.new ENV["HOMEBREW_CURL"]
  curl = Pathname.new "/usr/bin/curl" unless curl.exist?
  raise "#{curl} is not executable" unless curl.exist? && curl.executable?

  args = [
    curl.to_s,
    "--remote-time",
    "--location",
  ]

  case options[:user_agent]
  when :browser
    args << "--user-agent" << HOMEBREW_USER_AGENT_FAKE_SAFARI
  else
    args << "--user-agent" << HOMEBREW_USER_AGENT_CURL
  end

  unless options[:show_output]
    args << "--progress-bar" unless ARGV.verbose?
    args << "--verbose" if ENV["HOMEBREW_CURL_VERBOSE"]
    args << "--fail"
    args << "--silent" if !$stdout.tty? || ENV["TRAVIS"]
  end

  args += options[:extra_args] if options[:extra_args]
  args
end

#curl_output(*args) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 37

def curl_output(*args)
  curl_args = curl_args(extra_args: args, show_output: true)
  Open3.popen3(*curl_args) do |_, stdout, stderr, wait_thread|
    [stdout.read, stderr.read, wait_thread.value]
  end
end

#deep_merge_hashes(hash1, hash2) ⇒ Object



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# File 'Library/Homebrew/utils/hash.rb', line 1

def deep_merge_hashes(hash1, hash2)
  merger = proc do |_key, v1, v2|
    if v1.is_a?(Hash) && v2.is_a?(Hash)
      v1.merge v2, &merger
    else
      v2
    end
  end
  hash1.merge hash2, &merger
end

#disk_usage_readable(size_in_bytes) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 419

def disk_usage_readable(size_in_bytes)
  if size_in_bytes >= 1_073_741_824
    size = size_in_bytes.to_f / 1_073_741_824
    unit = "GB"
  elsif size_in_bytes >= 1_048_576
    size = size_in_bytes.to_f / 1_048_576
    unit = "MB"
  elsif size_in_bytes >= 1_024
    size = size_in_bytes.to_f / 1_024
    unit = "KB"
  else
    size = size_in_bytes
    unit = "B"
  end

  # avoid trailing zero after decimal point
  if ((size * 10).to_i % 10).zero?
    "#{size.to_i}#{unit}"
  else
    "#{format("%.1f", size)}#{unit}"
  end
end

#exec_browser(*args) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 349

def exec_browser(*args)
  browser = ENV["HOMEBREW_BROWSER"] || ENV["BROWSER"]
  browser ||= OS::PATH_OPEN if defined?(OS::PATH_OPEN)
  return unless browser
  safe_exec(browser, *args)
end

#exec_editor(*args) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 344

def exec_editor(*args)
  puts "Editing #{args.join "\n"}"
  safe_exec(which_editor, *args)
end

#gzip(*paths) ⇒ Object

GZips the given paths, and returns the gzipped paths



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# File 'Library/Homebrew/utils.rb', line 363

def gzip(*paths)
  paths.collect do |path|
    with_system_path { safe_system "gzip", path }
    Pathname.new("#{path}.gz")
  end
end

#ignore_interrupts(opt = nil) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 376

def ignore_interrupts(opt = nil)
  std_trap = trap("INT") do
    puts "One sec, just cleaning up" unless opt == :quietly
  end
  yield
ensure
  trap("INT", std_trap)
end

#interactive_shell(f = nil) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 142

def interactive_shell(f = nil)
  unless f.nil?
    ENV["HOMEBREW_DEBUG_PREFIX"] = f.prefix
    ENV["HOMEBREW_DEBUG_INSTALL"] = f.full_name
  end

  if ENV["SHELL"].include?("zsh") && ENV["HOME"].start_with?(HOMEBREW_TEMP.resolved_path.to_s)
    FileUtils.touch "#{ENV["HOME"]}/.zshrc"
  end

  Process.wait fork { exec ENV["SHELL"] }

  return if $?.success?
  raise "Aborted due to non-zero exit status (#{$?.exitstatus})" if $?.exited?
  raise $?.inspect
end


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# File 'Library/Homebrew/utils.rb', line 482

def migrate_legacy_keg_symlinks_if_necessary
  legacy_linked_kegs = HOMEBREW_LIBRARY/"LinkedKegs"
  return unless legacy_linked_kegs.directory?

  HOMEBREW_LINKED_KEGS.mkpath unless legacy_linked_kegs.children.empty?
  legacy_linked_kegs.children.each do |link|
    name = link.basename.to_s
    src = begin
      link.realpath
    rescue Errno::ENOENT
      begin
        (HOMEBREW_PREFIX/"opt/#{name}").realpath
      rescue Errno::ENOENT
        begin
          Formulary.factory(name).installed_prefix
        rescue
          next
        end
      end
    end
    dst = HOMEBREW_LINKED_KEGS/name
    dst.unlink if dst.exist?
    FileUtils.ln_sf(src.relative_path_from(dst.parent), dst)
  end
  FileUtils.rm_rf legacy_linked_kegs

  legacy_pinned_kegs = HOMEBREW_LIBRARY/"PinnedKegs"
  return unless legacy_pinned_kegs.directory?

  HOMEBREW_PINNED_KEGS.mkpath unless legacy_pinned_kegs.children.empty?
  legacy_pinned_kegs.children.each do |link|
    name = link.basename.to_s
    src = link.realpath
    dst = HOMEBREW_PINNED_KEGS/name
    FileUtils.ln_sf(src.relative_path_from(dst.parent), dst)
  end
  FileUtils.rm_rf legacy_pinned_kegs
end

#nostdoutObject



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# File 'Library/Homebrew/utils.rb', line 394

def nostdout
  if ARGV.verbose?
    yield
  else
    begin
      out = $stdout.dup
      $stdout.reopen("/dev/null")
      yield
    ensure
      $stdout.reopen(out)
      out.close
    end
  end
end

#number_readable(number) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 442

def number_readable(number)
  numstr = number.to_i.to_s
  (numstr.size - 3).step(1, -3) { |i| numstr.insert(i, ",") }
  numstr
end

#odebug(title, *sput) ⇒ Object

global methods



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# File 'Library/Homebrew/cask/lib/hbc/utils.rb', line 32

def odebug(title, *sput)
  return unless Hbc::CLI.debug?
  puts Formatter.headline(title, color: :magenta)
  puts sput unless sput.empty?
end

#odeprecated(method, replacement = nil, disable: false, disable_on: nil, caller: send(:caller)) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 50

def odeprecated(method, replacement = nil, disable: false, disable_on: nil, caller: send(:caller))
  replacement_message = if replacement
    "Use #{replacement} instead."
  else
    "There is no replacement."
  end

  unless disable_on.nil?
    if disable_on > Time.now
      will_be_disabled_message = " and will be disabled on #{disable_on.strftime("%Y-%m-%d")}"
    else
      disable = true
    end
  end

  verb = if disable
    "disabled"
  else
    "deprecated#{will_be_disabled_message}"
  end

  # Try to show the most relevant location in message, i.e. (if applicable):
  # - Location in a formula.
  # - Location outside of 'compat/'.
  # - Location of caller of deprecated method (if all else fails).
  backtrace = caller
  tap_message = nil
  caller_message = backtrace.detect do |line|
    next unless line =~ %r{^#{Regexp.escape HOMEBREW_LIBRARY}/Taps/([^/]+/[^/]+)/}
    tap = Tap.fetch $1
    tap_message = "\nPlease report this to the #{tap} tap!"
    true
  end
  caller_message ||= backtrace.detect do |line|
    !line.start_with?("#{HOMEBREW_LIBRARY_PATH}/compat/")
  end
  caller_message ||= backtrace[1]

  message = <<-EOS.undent
    Calling #{method} is #{verb}!
    #{replacement_message}
    #{caller_message}#{tap_message}
  EOS

  if ARGV.homebrew_developer? || disable ||
     Homebrew.raise_deprecation_exceptions?
    raise MethodDeprecatedError, message
  else
    opoo "#{message}\n"
  end
end

#odie(error) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 45

def odie(error)
  onoe error
  exit 1
end

#odisabled(method, replacement = nil, options = {}) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 102

def odisabled(method, replacement = nil, options = {})
  options = { disable: true, caller: caller }.merge(options)
  odeprecated(method, replacement, options)
end

#ofail(error) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 40

def ofail(error)
  onoe error
  Homebrew.failed = true
end

#oh1(title, options = {}) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 24

def oh1(title, options = {})
  if $stdout.tty? && !ARGV.verbose? && options.fetch(:truncate, :auto) == :auto
    title = Tty.truncate(title)
  end
  puts Formatter.headline(title, color: :green)
end

#ohai(title, *sput) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 18

def ohai(title, *sput)
  title = Tty.truncate(title) if $stdout.tty? && !ARGV.verbose?
  puts Formatter.headline(title, color: :blue)
  puts sput
end

#onoe(message) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 36

def onoe(message)
  $stderr.puts Formatter.error(message, label: "Error")
end

#opoo(message) ⇒ Object

Print a warning (do this rarely)



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# File 'Library/Homebrew/utils.rb', line 32

def opoo(message)
  $stderr.puts Formatter.warning(message, label: "Warning")
end

#pathsObject



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# File 'Library/Homebrew/utils.rb', line 409

def paths
  @paths ||= ENV["PATH"].split(File::PATH_SEPARATOR).collect do |p|
    begin
      File.expand_path(p).chomp("/")
    rescue ArgumentError
      onoe "The following PATH component is invalid: #{p}"
    end
  end.uniq.compact
end

#pretty_duration(s) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 127

def pretty_duration(s)
  s = s.to_i
  res = ""

  if s > 59
    m = s / 60
    s %= 60
    res = Formatter.pluralize(m, "minute")
    return res if s.zero?
    res << " "
  end

  res << Formatter.pluralize(s, "second")
end

#pretty_installed(f) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 107

def pretty_installed(f)
  if !$stdout.tty?
    f.to_s
  elsif Emoji.enabled?
    "#{Tty.bold}#{f} #{Formatter.success("")}#{Tty.reset}"
  else
    Formatter.success("#{Tty.bold}#{f} (installed)#{Tty.reset}")
  end
end

#pretty_uninstalled(f) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 117

def pretty_uninstalled(f)
  if !$stdout.tty?
    f.to_s
  elsif Emoji.enabled?
    "#{Tty.bold}#{f} #{Formatter.error("")}#{Tty.reset}"
  else
    Formatter.error("#{Tty.bold}#{f} (uninstalled)#{Tty.reset}")
  end
end

#quiet_system(cmd, *args) ⇒ Object

prints no output



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# File 'Library/Homebrew/utils.rb', line 286

def quiet_system(cmd, *args)
  Homebrew._system(cmd, *args) do
    # Redirect output streams to `/dev/null` instead of closing as some programs
    # will fail to execute if they can't write to an open stream.
    $stdout.reopen("/dev/null")
    $stderr.reopen("/dev/null")
  end
end

#require?(path) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'Library/Homebrew/brew.rb', line 23

def require?(path)
  require path
rescue LoadError => e
  # HACK: ( because we should raise on syntax errors but
  # not if the file doesn't exist. TODO make robust!
  raise unless e.to_s.include? path
end

#run_as_not_developer(&_block) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 273

def run_as_not_developer(&_block)
  old = ENV.delete "HOMEBREW_DEVELOPER"
  yield
ensure
  ENV["HOMEBREW_DEVELOPER"] = old
end

#safe_exec(cmd, *args) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 356

def safe_exec(cmd, *args)
  # This buys us proper argument quoting and evaluation
  # of environment variables in the cmd parameter.
  exec "/bin/sh", "-c", "#{cmd} \"$@\"", "--", *args
end

#safe_system(cmd, *args) ⇒ Object

Kernel.system but with exceptions



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# File 'Library/Homebrew/utils.rb', line 281

def safe_system(cmd, *args)
  Homebrew.system(cmd, *args) || raise(ErrorDuringExecution.new(cmd, args))
end

#superenv?Boolean

Returns:

  • (Boolean)


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# File 'Library/Homebrew/extend/ENV.rb', line 6

def superenv?
  ARGV.env != "std" && Superenv.bin
end

#truncate_text_to_approximate_size(s, max_bytes, options = {}) ⇒ Object

Truncates a text string to fit within a byte size constraint, preserving character encoding validity. The returned string will be not much longer than the specified max_bytes, though the exact shortfall or overrun may vary.



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# File 'Library/Homebrew/utils.rb', line 452

def truncate_text_to_approximate_size(s, max_bytes, options = {})
  front_weight = options.fetch(:front_weight, 0.5)
  if front_weight < 0.0 || front_weight > 1.0
    raise "opts[:front_weight] must be between 0.0 and 1.0"
  end
  return s if s.bytesize <= max_bytes

  glue = "\n[...snip...]\n"
  max_bytes_in = [max_bytes - glue.bytesize, 1].max
  bytes = s.dup.force_encoding("BINARY")
  glue_bytes = glue.encode("BINARY")
  n_front_bytes = (max_bytes_in * front_weight).floor
  n_back_bytes = max_bytes_in - n_front_bytes
  if n_front_bytes.zero?
    front = bytes[1..0]
    back = bytes[-max_bytes_in..-1]
  elsif n_back_bytes.zero?
    front = bytes[0..(max_bytes_in - 1)]
    back = bytes[1..0]
  else
    front = bytes[0..(n_front_bytes - 1)]
    back = bytes[-n_back_bytes..-1]
  end
  out = front + glue_bytes + back
  out.force_encoding("UTF-8")
  out.encode!("UTF-16", invalid: :replace)
  out.encode!("UTF-8")
  out
end

#which(cmd, path = ENV["PATH"]) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 295

def which(cmd, path = ENV["PATH"])
  path.split(File::PATH_SEPARATOR).each do |p|
    begin
      pcmd = File.expand_path(cmd, p)
    rescue ArgumentError
      # File.expand_path will raise an ArgumentError if the path is malformed.
      # See https://github.com/Homebrew/legacy-homebrew/issues/32789
      next
    end
    return Pathname.new(pcmd) if File.file?(pcmd) && File.executable?(pcmd)
  end
  nil
end

#which_all(cmd, path = ENV["PATH"]) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 309

def which_all(cmd, path = ENV["PATH"])
  path.to_s.split(File::PATH_SEPARATOR).map do |p|
    begin
      pcmd = File.expand_path(cmd, p)
    rescue ArgumentError
      # File.expand_path will raise an ArgumentError if the path is malformed.
      # See https://github.com/Homebrew/legacy-homebrew/issues/32789
      next
    end
    Pathname.new(pcmd) if File.file?(pcmd) && File.executable?(pcmd)
  end.compact.uniq
end

#which_editorObject



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# File 'Library/Homebrew/utils.rb', line 322

def which_editor
  editor = ENV.values_at("HOMEBREW_EDITOR", "VISUAL", "EDITOR").compact.first
  return editor unless editor.nil?

  # Find Textmate
  editor = "mate" if which "mate"
  # Find BBEdit / TextWrangler
  editor ||= "edit" if which "edit"
  # Find vim
  editor ||= "vim" if which "vim"
  # Default to standard vim
  editor ||= "/usr/bin/vim"

  opoo <<-EOS.undent
    Using #{editor} because no editor was set in the environment.
    This may change in the future, so we recommend setting EDITOR, VISUAL,
    or HOMEBREW_EDITOR to your preferred text editor.
  EOS

  editor
end

#with_custom_locale(locale) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 265

def with_custom_locale(locale)
  old_locale = ENV["LC_ALL"]
  ENV["LC_ALL"] = locale
  yield
ensure
  ENV["LC_ALL"] = old_locale
end

#with_system_pathObject



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# File 'Library/Homebrew/utils.rb', line 257

def with_system_path
  old_path = ENV["PATH"]
  ENV["PATH"] = "/usr/bin:/bin"
  yield
ensure
  ENV["PATH"] = old_path
end