Top Level Namespace

Defined Under Namespace

Modules: ArchitectureListExtension, Cachable, Commands, Debrew, Dependable, DiskUsageExtension, ELFShim, Emoji, EnvActivation, FileUtils, Formatter, FormulaCellarChecks, FormulaClassUnavailableErrorModule, FormulaUnreadableErrorModule, Formulary, Git, GitHub, GitRepositoryExtension, Hardware, HashValidator, Hbc, Homebrew, HomebrewArgvExtension, IRB, InstallRenamed, Language, MachOShim, Metafiles, OS, Patch, Predicable, Readall, RuboCop, SharedEnvExtension, StringInreplaceExtension, Superenv, Tty, Utils Classes: AbstractDownloadStrategy, AbstractFileDownloadStrategy, ArchRequirement, BazaarDownloadStrategy, Bottle, BottleDisableReason, BottleFormulaUnavailableError, BottleSpecification, Buffer, Build, BuildEnvironment, BuildError, BuildFlagsError, BuildOptions, BuildToolsError, CVSDownloadStrategy, CVSRequirement, CannotInstallFormulaError, CaskLock, 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, LinuxRequirement, LocalBottleDownloadStrategy, Locale, LockFile, MPIRequirement, MacOSRequirement, MaximumMacOSRequirement, MercurialDownloadStrategy, MercurialRequirement, MethodDeprecatedError, Migrator, MissingApplyError, Module, MultipleVersionsInstalledError, MysqlRequirement, NilClass, NoSuchKegError, NoUnzipCurlDownloadStrategy, NonBinaryOsxfuseRequirement, NotAKegError, OperationInProgressError, Option, Options, OsxfuseRequirement, PATH, Pathname, PerlRequirement, PkgVersion, PostgresqlRequirement, PourBottleCheck, PrettyListing, Python3Requirement, PythonRequirement, RbenvRequirement, Reporter, ReporterHub, Requirement, Requirements, Resource, ResourceAuditor, ResourceMissingError, ResourceStageContext, RubyRequirement, S3DownloadStrategy, Sandbox, SoftwareSpec, String, StringPatch, SubversionDownloadStrategy, SubversionRequirement, Symbol, SystemConfig, Tab, Tap, TapAlreadyTappedError, TapAlreadyUnshallowError, TapConfig, TapDependency, TapFormulaAmbiguityError, TapFormulaClassUnavailableError, TapFormulaUnavailableError, TapFormulaUnreadableError, TapFormulaWithOldnameAmbiguityError, TapPinStatusError, TapRemoteMismatchError, TapUnavailableError, TeXRequirement, TuntapRequirement, UnsatisfiedRequirements, UnsignedKextRequirement, UsageError, VCSDownloadStrategy, Version, X11Requirement, XcodeRequirement

Constant Summary

RUBY_VERSION_SPLIT =

check ruby version before requiring any modules.

RUBY_VERSION.split "."
RUBY_X =
RUBY_VERSION_SPLIT[0].to_i
RUBY_Y =
RUBY_VERSION_SPLIT[1].to_i
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 =
PATH.new(ENV["HOMEBREW_PATH"]).map do |p|
  begin
    Pathname.new(p).expand_path
  rescue
    nil
  end
end.compact.freeze
HOMEBREW_INTERNAL_COMMAND_ALIASES =
{
  "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...]
    https://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

"0.51.0"
HOMEBREW_RUBOCOP_CASK_VERSION =

has to be updated when RuboCop version changes

"~> 0.15.1"
OFFICIAL_TAPS =
%w[
  php
  science
].freeze
OFFICIAL_CASK_TAPS =
%w[
  cask
  versions
].freeze
OFFICIAL_CMD_TAPS =
{
  "homebrew/bundle" => ["bundle"],
  "homebrew/test-bot" => ["test-bot"],
  "homebrew/services" => ["services"],
}.freeze
DEPRECATED_OFFICIAL_TAPS =
%w[
  apache
  binary
  completions
  devel-only
  dupes
  emacs
  fuse
  games
  gui
  head-only
  nginx
  python
  tex
  versions
  x11
].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)}/Taps/(?<user>[\w-]+)/(?<repo>[\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 =
"bottle do\n<% if !root_url.start_with?(BottleSpecification::DEFAULT_DOMAIN) %>\nroot_url \"<%= root_url %>\"\n<% end %>\n<% if prefix != BottleSpecification::DEFAULT_PREFIX %>\nprefix \"<%= prefix %>\"\n<% end %>\n<% if cellar.is_a? Symbol %>\ncellar :<%= cellar %>\n<% elsif cellar != BottleSpecification::DEFAULT_CELLAR %>\ncellar \"<%= cellar %>\"\n<% end %>\n<% if rebuild.positive? %>\nrebuild <%= rebuild %>\n<% end %>\n<% checksums.each do |checksum_type, checksum_values| %>\n<% checksum_values.each do |checksum_value| %>\n<% checksum, macos = checksum_value.shift %>\n<%= checksum_type %> \"<%= checksum %>\" => :<%= macos %>\n<% end %>\n<% end %>\nend\n".freeze
MAXIMUM_STRING_MATCHES =
100
BUG_REPORTS_URL =
"https://github.com/caskroom/homebrew-cask#reporting-bugs".freeze
PYTHON_VIRTUALENV_URL =
"https://files.pythonhosted.org/packages/d4/0c/9840c08189e030873387a73b90ada981885010dd9aea134d6de30cd24cb8/virtualenv-15.1.0.tar.gz".freeze
PYTHON_VIRTUALENV_SHA256 =
"02f8102c2436bb03b3ee6dede1919d1dac8a427541652e5ec95171ec8adbc93a".freeze

Instance Method Summary collapse

Methods included from EnvActivation

activate_extensions!, clear_sensitive_environment!, with_build_environment

Methods included from GitRepositoryExtension

git?, git_branch, 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 379

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 393

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

#curl(*args) ⇒ Object



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

def curl(*args)
  # SSL_CERT_FILE can be incorrectly set by users or portable-ruby and screw
  # with SSL downloads so unset it here.
  with_env SSL_CERT_FILE: nil do
    safe_system(*curl_args(*args))
  end
end

#curl_args(*extra_args, show_output: false, user_agent: :default) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 11

def curl_args(*extra_args, show_output: false, user_agent: :default)
  args = [
    curl_executable.to_s,
    "--show-error",
  ]

  args << "--user-agent" << case user_agent
  when :browser, :fake
    HOMEBREW_USER_AGENT_FAKE_SAFARI
  when :default
    HOMEBREW_USER_AGENT_CURL
  else
    user_agent
  end

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

  args + extra_args
end

#curl_check_http_content(url, user_agents: [:default], check_content: false, strict: false, require_http: false) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 63

def curl_check_http_content(url, user_agents: [:default], check_content: false, strict: false, require_http: false)
  return unless url.start_with? "http"

  details = nil
  user_agent = nil
  hash_needed = url.start_with?("http:") && !require_http
  user_agents.each do |ua|
    details = curl_http_content_headers_and_checksum(url, hash_needed: hash_needed, user_agent: ua)
    user_agent = ua
    break if details[:status].to_s.start_with?("2")
  end

  unless details[:status]
    # Hack around https://github.com/Homebrew/brew/issues/3199
    return if MacOS.version == :el_capitan
    return "The URL #{url} is not reachable"
  end

  unless details[:status].start_with? "2"
    return "The URL #{url} is not reachable (HTTP status code #{details[:status]})"
  end

  return unless hash_needed

  secure_url = url.sub "http", "https"
  secure_details =
    curl_http_content_headers_and_checksum(secure_url, hash_needed: true, user_agent: user_agent)

  if !details[:status].to_s.start_with?("2") ||
     !secure_details[:status].to_s.start_with?("2")
    return
  end

  etag_match = details[:etag] &&
               details[:etag] == secure_details[:etag]
  content_length_match =
    details[:content_length] &&
    details[:content_length] == secure_details[:content_length]
  file_match = details[:file_hash] == secure_details[:file_hash]

  if etag_match || content_length_match || file_match
    return "The URL #{url} should use HTTPS rather than HTTP"
  end

  return unless check_content

  no_protocol_file_contents = %r{https?:\\?/\\?/}
  details[:file] = details[:file].gsub(no_protocol_file_contents, "/")
  secure_details[:file] = secure_details[:file].gsub(no_protocol_file_contents, "/")

  # Check for the same content after removing all protocols
  if details[:file] == secure_details[:file]
    return "The URL #{url} should use HTTPS rather than HTTP"
  end

  return unless strict

  # Same size, different content after normalization
  # (typical causes: Generated ID, Timestamp, Unix time)
  if details[:file].length == secure_details[:file].length
    return "The URL #{url} may be able to use HTTPS rather than HTTP. Please verify it in a browser."
  end

  lenratio = (100 * secure_details[:file].length / details[:file].length).to_i
  return unless (90..110).cover?(lenratio)
  "The URL #{url} may be able to use HTTPS rather than HTTP. Please verify it in a browser."
end

#curl_download(*args, to: nil, continue_at: "-", **options) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 44

def curl_download(*args, to: nil, continue_at: "-", **options)
  had_incomplete_download ||= File.exist?(to)
  curl("--location", "--remote-time", "--continue-at", continue_at.to_s, "--output", to, *args, **options)
rescue ErrorDuringExecution
  # `curl` error 33: HTTP server doesn't seem to support byte ranges. Cannot resume.
  # HTTP status 416: Requested range not satisfiable
  if ($CHILD_STATUS.exitstatus == 33 || had_incomplete_download) && continue_at == "-"
    continue_at = 0
    had_incomplete_download = false
    retry
  end

  raise
end

#curl_executableObject



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

def curl_executable
  curl = Pathname.new ENV["HOMEBREW_CURL"]
  curl = which("curl") unless curl.exist?
  return curl if curl.executable?
  raise "#{curl} is not executable"
end

#curl_http_content_headers_and_checksum(url, hash_needed: false, user_agent: :default) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 131

def curl_http_content_headers_and_checksum(url, hash_needed: false, user_agent: :default)
  max_time = hash_needed ? "600" : "25"
  output, = curl_output(
    "--connect-timeout", "15", "--include", "--max-time", max_time, "--location", url,
    user_agent: user_agent
  )

  status_code = :unknown
  while status_code == :unknown || status_code.to_s.start_with?("3")
    headers, _, output = output.partition("\r\n\r\n")
    status_code = headers[%r{HTTP\/.* (\d+)}, 1]
  end

  output_hash = Digest::SHA256.digest(output) if hash_needed

  {
    status: status_code,
    etag: headers[%r{ETag: ([wW]\/)?"(([^"]|\\")*)"}, 2],
    content_length: headers[/Content-Length: (\d+)/, 1],
    file_hash: output_hash,
    file: output,
  }
end

#curl_output(*args, **options) ⇒ Object



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# File 'Library/Homebrew/utils/curl.rb', line 59

def curl_output(*args, **options)
  Open3.capture3(*curl_args(*args, show_output: true, **options))
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 427

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 357

def exec_browser(*args)
  browser = ENV["HOMEBREW_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 352

def exec_editor(*args)
  puts "Editing #{args.join "\n"}"
  with_homebrew_path { 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 371

def gzip(*paths)
  paths.collect do |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 384

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 150

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


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# File 'Library/Homebrew/utils.rb', line 490

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 402

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 450

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 20

def odebug(title, *sput)
  return unless ARGV.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 58

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 Regexp.last_match(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
    Calling #{method} is #{verb}!
    #{replacement_message}
    #{caller_message}#{tap_message}
  EOS

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

#odie(error) ⇒ Object



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

def odie(error)
  onoe error
  exit 1
end

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



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# File 'Library/Homebrew/utils.rb', line 110

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 48

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

#oh1(title, options = {}) ⇒ Object



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

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 26

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 44

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 40

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

#pathsObject



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# File 'Library/Homebrew/utils.rb', line 417

def paths
  @paths ||= PATH.new(ENV["HOMEBREW_PATH"]).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 135

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 115

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 125

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 294

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/utils.rb', line 18

def require?(path)
  return false if path.nil?
  require path
rescue LoadError => e
  # we should raise on syntax errors but not if the file doesn't exist.
  raise unless e.message.include?(path)
end

#run_as_not_developerObject



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# File 'Library/Homebrew/utils.rb', line 282

def run_as_not_developer
  with_env(HOMEBREW_DEVELOPER: nil) do
    yield
  end
end

#safe_exec(cmd, *args) ⇒ Object



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# File 'Library/Homebrew/utils.rb', line 364

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 289

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

#shell_profileObject



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# File 'Library/Homebrew/utils.rb', line 554

def shell_profile
  Utils::Shell.profile
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

#tap_and_name_comparisonObject



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# File 'Library/Homebrew/utils.rb', line 558

def tap_and_name_comparison
  proc do |a, b|
    if a.include?("/") && !b.include?("/")
      1
    elsif !a.include?("/") && b.include?("/")
      -1
    else
      a <=> b
    end
  end
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 460

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 303

def which(cmd, path = ENV["PATH"])
  PATH.new(path).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 317

def which_all(cmd, path = ENV["PATH"])
  PATH.new(path).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 330

def which_editor
  editor = ENV.values_at("HOMEBREW_EDITOR", "HOMEBREW_VISUAL")
              .compact
              .reject(&:empty?)
              .first
  return editor if editor

  # Find Atom, Sublime Text, Textmate, BBEdit / TextWrangler, or vim
  editor = %w[atom subl mate edit vim].find do |candidate|
    candidate if which(candidate, ENV["HOMEBREW_PATH"])
  end
  editor ||= "vim"

  opoo <<~EOS
    Using #{editor} because no editor was set in the environment.
    This may change in the future, so we recommend setting EDITOR,
    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 276

def with_custom_locale(locale)
  with_env(LC_ALL: locale) do
    yield
  end
end

#with_env(hash) ⇒ Object

Calls the given block with the passed environment variables added to ENV, then restores ENV afterwards. Example: with_env(PATH: "/bin") do system "echo $PATH" end

Note that this method is not thread-safe - other threads which happen to be scheduled during the block will also see these environment variables.



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# File 'Library/Homebrew/utils.rb', line 539

def with_env(hash)
  old_values = {}
  begin
    hash.each do |key, value|
      key = key.to_s
      old_values[key] = ENV.delete(key)
      ENV[key] = value
    end

    yield if block_given?
  ensure
    ENV.update(old_values)
  end
end

#with_homebrew_pathObject



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# File 'Library/Homebrew/utils.rb', line 270

def with_homebrew_path
  with_env(PATH: PATH.new(ENV["HOMEBREW_PATH"])) do
    yield
  end
end