Module: Homebrew

Extended by:
Context, DependenciesHelpers, FileUtils, Fetch, Install, Search, SystemCommand::Mixin, T::Sig
Defined in:
extend/os/linux/install.rb,
extend/os/mac/search.rb,
extend/os/mac/diagnostic.rb,
extend/os/linux/diagnostic.rb,
extend/os/mac/missing_formula.rb,
api.rb,
help.rb,
fetch.rb,
style.rb,
utils.rb,
global.rb,
search.rb,
unlink.rb,
cleanup.rb,
cmd/log.rb,
cmd/pin.rb,
cmd/tap.rb,
install.rb,
service.rb,
upgrade.rb,
api/cask.rb,
cli/args.rb,
cmd/deps.rb,
cmd/desc.rb,
cmd/help.rb,
cmd/home.rb,
cmd/info.rb,
cmd/link.rb,
cmd/list.rb,
cmd/uses.rb,
settings.rb,
cmd/--env.rb,
cmd/fetch.rb,
cmd/unpin.rb,
cmd/untap.rb,
reinstall.rb,
uninstall.rb,
api/bottle.rb,
cli/parser.rb,
cmd/config.rb,
cmd/doctor.rb,
cmd/leaves.rb,
cmd/search.rb,
cmd/unlink.rb,
dev-cmd/sh.rb,
diagnostic.rb,
env_config.rb,
utils/gems.rb,
api/formula.rb,
cmd/--cache.rb,
cmd/cleanup.rb,
cmd/install.rb,
cmd/migrate.rb,
cmd/missing.rb,
cmd/options.rb,
cmd/readall.rb,
cmd/upgrade.rb,
completions.rb,
dev-cmd/cat.rb,
dev-cmd/irb.rb,
tap_auditor.rb,
api/versions.rb,
cmd/--cellar.rb,
cmd/--prefix.rb,
cmd/commands.rb,
cmd/outdated.rb,
cmd/tap-info.rb,
dev-cmd/bump.rb,
dev-cmd/edit.rb,
dev-cmd/prof.rb,
dev-cmd/ruby.rb,
dev-cmd/test.rb,
api/analytics.rb,
cmd/analytics.rb,
cmd/developer.rb,
cmd/gist-logs.rb,
cmd/reinstall.rb,
cmd/uninstall.rb,
dev-cmd/audit.rb,
dev-cmd/style.rb,
dev-cmd/tests.rb,
bundle_version.rb,
cli/named_args.rb,
cmd/--caskroom.rb,
cmd/autoremove.rb,
default_prefix.rb,
dev-cmd/bottle.rb,
dev-cmd/create.rb,
dev-cmd/unpack.rb,
sorbet/parlour.rb,
api/cask-source.rb,
cmd/completions.rb,
cmd/postinstall.rb,
dev-cmd/command.rb,
dev-cmd/extract.rb,
dev-cmd/formula.rb,
dev-cmd/linkage.rb,
dev-cmd/pr-pull.rb,
dev-cmd/release.rb,
dev-cmd/tap-new.rb,
formula_auditor.rb,
formula_creator.rb,
livecheck/error.rb,
missing_formula.rb,
cmd/--repository.rb,
dev-cmd/sponsors.rb,
resource_auditor.rb,
cmd/update-report.rb,
dev-cmd/livecheck.rb,
dev-cmd/pr-upload.rb,
dev-cmd/typecheck.rb,
dev-cmd/unbottled.rb,
formula_free_port.rb,
dev-cmd/pr-publish.rb,
formula_assertions.rb,
livecheck/strategy.rb,
dev-cmd/update-test.rb,
dev-cmd/vendor-gems.rb,
livecheck/livecheck.rb,
dev-cmd/bump-cask-pr.rb,
dev-cmd/pr-automerge.rb,
formula_text_auditor.rb,
dev-cmd/bump-revision.rb,
livecheck/strategy/git.rb,
livecheck/strategy/gnu.rb,
livecheck/strategy/npm.rb,
dev-cmd/bump-formula-pr.rb,
livecheck/strategy/cpan.rb,
livecheck/strategy/pypi.rb,
livecheck/strategy/xorg.rb,
livecheck/strategy/gnome.rb,
unversioned_cask_checker.rb,
livecheck/skip_conditions.rb,
livecheck/strategy/apache.rb,
dev-cmd/update-maintainers.rb,
livecheck/strategy/hackage.rb,
livecheck/strategy/sparkle.rb,
dev-cmd/update-license-data.rb,
livecheck/livecheck_version.rb,
dev-cmd/install-bundler-gems.rb,
livecheck/strategy/bitbucket.rb,
livecheck/strategy/launchpad.rb,
dev-cmd/dispatch-build-bottle.rb,
livecheck/strategy/page_match.rb,
dev-cmd/bump-unversioned-casks.rb,
livecheck/strategy/sourceforge.rb,
dev-cmd/update-python-resources.rb,
livecheck/strategy/header_match.rb,
dev-cmd/generate-man-completions.rb,
livecheck/strategy/extract_plist.rb,
livecheck/strategy/github_latest.rb,
livecheck/strategy/electron_builder.rb

Defined Under Namespace

Modules: API, Assertions, CLI, Completions, Diagnostic, EnvConfig, Fetch, FreePort, Help, Install, Livecheck, MissingFormula, Parlour, Search, Settings, Style, Uninstall, Unlink, Upgrade Classes: BundleVersion, Cleanup, FormulaAuditor, FormulaCreator, FormulaTextAuditor, ResourceAuditor, Service, TapAuditor, UnversionedCaskChecker

Constant Summary collapse

DEFAULT_CELLAR = 
"#{DEFAULT_PREFIX}/Cellar"
DEFAULT_MACOS_CELLAR = 
"#{HOMEBREW_DEFAULT_PREFIX}/Cellar"
DEFAULT_MACOS_ARM_CELLAR = 
"#{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX}/Cellar"
DEFAULT_LINUX_CELLAR = 
"#{HOMEBREW_LINUX_DEFAULT_PREFIX}/Cellar"
VALID_DAYS = 
%w[30 90 365].freeze
VALID_FORMULA_CATEGORIES = 
%w[install install-on-request build-error].freeze
VALID_CATEGORIES = 
(VALID_FORMULA_CATEGORIES + %w[cask-install os-version]).freeze
PACKAGE_MANAGERS = 
{
  repology:  ->(query) { "https://repology.org/projects/?search=#{query}" },
  macports:  ->(query) { "https://ports.macports.org/search/?q=#{query}" },
  fink:      ->(query) { "https://pdb.finkproject.org/pdb/browse.php?summary=#{query}" },
  opensuse:  ->(query) { "https://software.opensuse.org/search?q=#{query}" },
  fedora:    ->(query) { "https://apps.fedoraproject.org/packages/s/#{query}" },
  archlinux: ->(query) { "https://archlinux.org/packages/?q=#{query}" },
  debian:    lambda { |query|
    "https://packages.debian.org/search?keywords=#{query}&searchon=names&suite=all&section=all"
  },
  ubuntu:    lambda { |query|
    "https://packages.ubuntu.com/search?keywords=#{query}&searchon=names&suite=all&section=all"
  },
}.freeze
HOMEBREW_BUNDLER_VERSION =

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

"1.17.3"
UNBREWED_EXCLUDE_FILES = 
%w[.DS_Store].freeze
UNBREWED_EXCLUDE_PATHS = 
%w[
  */.keepme
  .github/*
  bin/brew
  completions/zsh/_brew
  docs/*
  lib/gdk-pixbuf-2.0/*
  lib/gio/*
  lib/node_modules/*
  lib/python[23].[0-9]/*
  lib/python3.[0-9][0-9]/*
  lib/pypy/*
  lib/pypy3/*
  lib/ruby/gems/[12].*
  lib/ruby/site_ruby/[12].*
  lib/ruby/vendor_ruby/[12].*
  manpages/brew.1
  share/pypy/*
  share/pypy3/*
  share/info/dir
  share/man/whatis
  share/mime/*
  texlive/*
].freeze
BOTTLE_BLOCK_REGEX = 
/  bottle do.+?end\n\n/m.freeze
NAMED_TIER_AMOUNT = 
100
URL_TIER_AMOUNT = 
1000
WATCHLIST_PATH = 
(
  ENV["HOMEBREW_LIVECHECK_WATCHLIST"] ||
  "#{Dir.home}/.brew_livecheck_watchlist"
).freeze
SOURCE_PATH = 
(HOMEBREW_LIBRARY_PATH/"manpages").freeze
TARGET_MAN_PATH = 
(HOMEBREW_REPOSITORY/"manpages").freeze
TARGET_DOC_PATH = 
(HOMEBREW_REPOSITORY/"docs").freeze

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Context

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

Methods included from DependenciesHelpers

args_includes_ignores, dependents, recursive_includes, reject_ignores

Methods included from Search

query_regexp, search_casks, search_descriptions, search_formulae, search_taps

Methods included from Search::Extension

#search_casks, #search_descriptions

Methods included from Fetch

fetch_bottle?

Methods included from Install

check_prefix, install_formula?, install_formulae, perform_build_from_source_checks, perform_preinstall_checks

Methods included from SystemCommand::Mixin

system_command, system_command!

Class Attribute Details

.auditing=(value) ⇒ Object (writeonly)

Sets the attribute auditing

Parameters:

  • value —

    the value to set the attribute auditing to.



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# File 'global.rb', line 85

def auditing=(value)
  @auditing = value
end

.failed=(value) ⇒ Object (writeonly)

Sets the attribute failed

Parameters:

  • value —

    the value to set the attribute failed to.



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# File 'global.rb', line 85

def failed=(value)
  @failed = value
end

.raise_deprecation_exceptions=(value) ⇒ Object (writeonly)

Sets the attribute raise_deprecation_exceptions

Parameters:

  • value —

    the value to set the attribute raise_deprecation_exceptions to.



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# File 'global.rb', line 85

def raise_deprecation_exceptions=(value)
  @raise_deprecation_exceptions = value
end

Class Method Details

.__cache ⇒ void

This method returns an undefined value.



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# File 'cmd/--cache.rb', line 44

def __cache
  args = __cache_args.parse

  if args.no_named?
    puts HOMEBREW_CACHE
    return
  end

  formulae_or_casks = args.named.to_formulae_and_casks

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

.__cache_args ⇒ CLI::Parser

Returns:



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# File 'cmd/--cache.rb', line 16

def __cache_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display Homebrew's download cache. See also `HOMEBREW_CACHE`.

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

    conflicts "--build-from-source", "--force-bottle", "--bottle-tag", "--HEAD", "--cask"
    conflicts "--formula", "--cask"

    named_args [:formula, :cask]
  end
end

.__caskroom ⇒ void

This method returns an undefined value.



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# File 'cmd/--caskroom.rb', line 24

def __caskroom
  args = __caskroom_args.parse

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

.__caskroom_args ⇒ CLI::Parser

Returns:



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# File 'cmd/--caskroom.rb', line 10

def __caskroom_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display Homebrew's Caskroom path.

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

    named_args :cask
  end
end

.__cellar ⇒ Object 



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# File 'cmd/--cellar.rb', line 23

def __cellar
  args = __cellar_args.parse

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

.__cellar_args ⇒ Object 



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# File 'cmd/--cellar.rb', line 9

def __cellar_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display Homebrew's Cellar path. *Default:* `$(brew --prefix)/Cellar`, or if
      that directory doesn't exist, `$(brew --repository)/Cellar`.

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

    named_args :formula
  end
end

.__env ⇒ void

This method returns an undefined value.



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# File 'cmd/--env.rb', line 34

def __env
  args = __env_args.parse

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

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

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

.__env_args ⇒ CLI::Parser

Returns:



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# File 'cmd/--env.rb', line 15

def __env_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Summarise Homebrew's build environment as a plain list.

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

    named_args :formula
  end
end

.__gets ⇒ Object 



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# File 'dev-cmd/create.rb', line 208

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

.__prefix ⇒ Object

Raises:



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# File 'cmd/--prefix.rb', line 33

def __prefix
  args = __prefix_args.parse

  raise UsageError, "`--installed` requires a formula argument." if args.installed? && args.no_named?

  if args.unbrewed?
    raise UsageError, "`--unbrewed` does not take a formula argument." unless args.no_named?

    list_unbrewed
  elsif args.no_named?
    puts HOMEBREW_PREFIX
  else
    formulae = args.named.to_resolved_formulae
    prefixes = formulae.map do |f|
      next nil if args.installed? && !f.opt_prefix.exist?

      # this case will be short-circuited by brew.sh logic for a single formula
      f.opt_prefix
    end.compact
    puts prefixes
    if args.installed?
      missing_formulae = formulae.reject(&:optlinked?)
                                 .map(&:name)
      return if missing_formulae.blank?

      raise NotAKegError, <<~EOS
        The following formulae are not installed:
        #{missing_formulae.join(" ")}
      EOS
    end
  end
end

.__prefix_args ⇒ CLI::Parser

Returns:



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# File 'cmd/--prefix.rb', line 12

def __prefix_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display Homebrew's install path. *Default:*

        - macOS Intel: `#{HOMEBREW_DEFAULT_PREFIX}`
        - macOS ARM: `#{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX}`
        - Linux: `#{HOMEBREW_LINUX_DEFAULT_PREFIX}`

      If <formula> is provided, display the location where <formula> is or would be installed.
    EOS
    switch "--unbrewed",
           description: "List files in Homebrew's prefix not installed by Homebrew."
    switch "--installed",
           description: "Outputs nothing and returns a failing status code if <formula> is not installed."
    conflicts "--unbrewed", "--installed"

    named_args :formula
  end
end

.__repository ⇒ Object 



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# File 'cmd/--repository.rb', line 24

def __repository
  args = __repository_args.parse

  if args.no_named?
    puts HOMEBREW_REPOSITORY
  else
    puts args.named.to_taps.map(&:path)
  end
end

.__repository_args ⇒ CLI::Parser

Returns:



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

def __repository_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display where Homebrew's git repository is located.

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

    named_args :tap
  end
end

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



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# File 'utils.rb', line 27

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

.alias_update_pair(formula, new_formula_version) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 481

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

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

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

.analytics ⇒ Object 



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# File 'cmd/analytics.rb', line 32

def analytics
  args = analytics_args.parse

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

.analytics_args ⇒ CLI::Parser

Returns:



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# File 'cmd/analytics.rb', line 12

def analytics_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Control Homebrew's anonymous aggregate user behaviour analytics.
      Read more at <https://docs.brew.sh/Analytics>.

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

      `brew analytics` (`on`|`off`):
      Turn Homebrew's analytics on or off respectively.

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

    named_args %w[state on off regenerate-uuid], max: 1
  end
end

.audit ⇒ void

This method returns an undefined value.



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# File 'dev-cmd/audit.rb', line 102

def audit
  args = audit_args.parse

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

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

  ENV.activate_extensions!
  ENV.setup_build_environment

  # TODO: 3.6.0: odeprecate not specifying args.all?, require args.installed?

  audit_formulae, audit_casks = if args.tap
    Tap.fetch(args.tap).yield_self do |tap|
      [
        tap.formula_names.map { |name| Formula[name] },
        tap.cask_files.map { |path| Cask::CaskLoader.load(path) },
      ]
    end
  elsif args.installed?
    no_named_args = true
    [Formula.installed, Cask::Caskroom.casks]
  elsif args.no_named?
    no_named_args = true
    [Formula.all, Cask::Cask.all]
  else
    args.named.to_formulae_and_casks
        .partition { |formula_or_cask| formula_or_cask.is_a?(Formula) }
  end
  style_files = args.named.to_paths unless skip_style

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

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

  # Run tap audits first
  tap_problem_count = 0
  tap_count = 0
  Tap.each do |tap|
    next if args.tap && tap != args.tap

    ta = TapAuditor.new(tap, strict: args.strict?)
    ta.audit

    next if ta.problems.blank?

    tap_count += 1
    tap_problem_count += ta.problems.size
    tap_problem_lines = format_problem_lines(ta.problems)

    puts "#{tap.name}:", tap_problem_lines.map { |s| "  #{s}" }
  end

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

    fa = FormulaAuditor.new(f, **options)
    fa.audit

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

    [f.path, { errors: fa.problems + fa.new_formula_problems, warnings: [] }]
  end

  cask_results = if audit_casks.empty?
    {}
  else
    require "cask/cmd/abstract_command"
    require "cask/cmd/audit"

    # For switches, we add `|| nil` so that `nil` will be passed instead of `false` if they aren't set.
    # This way, we can distinguish between "not set" and "set to false".
    Cask::Cmd::Audit.audit_casks(
      *audit_casks,
      download:              nil,
      # No need for `|| nil` for `--[no-]appcast` because boolean switches are already `nil` if not passed
      appcast:               args.appcast?,
      online:                args.online? || nil,
      strict:                args.strict? || nil,
      new_cask:              args.new_cask? || nil,
      token_conflicts:       args.token_conflicts? || nil,
      quarantine:            nil,
      any_named_args:        !no_named_args,
      language:              nil,
      display_passes:        args.verbose? || args.named.count == 1,
      display_failures_only: args.display_failures_only?,
    )
  end

  failed_casks = cask_results.reject { |_, result| result[:errors].empty? }

  cask_count = failed_casks.count

  cask_problem_count = failed_casks.sum { |_, result| result[:warnings].count + result[:errors].count }
  new_formula_problem_count += new_formula_problem_lines.count
  total_problems_count = problem_count + new_formula_problem_count + cask_problem_count + tap_problem_count

  if total_problems_count.positive?
    puts new_formula_problem_lines.map { |s| "  #{s}" }

    errors_summary = "#{total_problems_count} #{"problem".pluralize(total_problems_count)}"

    error_sources = []
    error_sources << "#{formula_count} #{"formula".pluralize(formula_count)}" if formula_count.positive?
    error_sources << "#{cask_count} #{"cask".pluralize(cask_count)}" if cask_count.positive?
    error_sources << "#{tap_count} #{"tap".pluralize(tap_count)}" if tap_count.positive?

    errors_summary += " in #{error_sources.to_sentence}" if error_sources.any?

    errors_summary += " detected"

    if corrected_problem_count.positive?
      errors_summary += ", #{corrected_problem_count} #{"problem".pluralize(corrected_problem_count)} corrected"
    end

    ofail errors_summary
  end

  return unless ENV["GITHUB_ACTIONS"]

  annotations = formula_results.merge(cask_results).flat_map do |path, result|
    (
      result[:warnings].map { |w| [:warning, w] } +
      result[:errors].map { |e| [:error, e] }
    ).map do |type, problem|
      GitHub::Actions::Annotation.new(
        type,
        problem[:message],
        file:   path,
        line:   problem[:location]&.line,
        column: problem[:location]&.column,
      )
    end
  end

  annotations.each do |annotation|
    puts annotation if annotation.relevant?
  end
end

.audit_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/audit.rb', line 28

def audit_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Check <formula> for Homebrew coding style violations. This should be run before
      submitting a new formula or cask. If no <formula>|<cask> are provided, check all
      locally available formulae and casks and skip style checks. Will exit with a
      non-zero status if any errors are found.
    EOS
    switch "--strict",
           description: "Run additional, stricter style checks."
    switch "--git",
           description: "Run additional, slower style checks that navigate the Git repository."
    switch "--online",
           description: "Run additional, slower style checks that require a network connection."
    switch "--installed",
           description: "Only check formulae and casks that are currently installed."
    switch "--all",
           description: "Check all formulae and casks whether installed or not.",
           hidden:      true
    switch "--new", "--new-formula", "--new-cask",
           description: "Run various additional style checks to determine if a new formula or cask is eligible "\
                        "for Homebrew. This should be used when creating new formula and implies "\
                        "`--strict` and `--online`."
    switch "--[no-]appcast",
           description: "Audit the appcast."
    switch "--token-conflicts",
           description: "Audit for token conflicts."
    flag   "--tap=",
           description: "Check the formulae within the given tap, specified as <user>`/`<repo>."
    switch "--fix",
           description: "Fix style violations automatically using RuboCop's auto-correct feature."
    switch "--display-cop-names",
           description: "Include the RuboCop cop name for each violation in the output."
    switch "--display-filename",
           description: "Prefix every line of output with the file or formula name being audited, to "\
                        "make output easy to grep."
    switch "--display-failures-only",
           description: "Only display casks that fail the audit. This is the default for formulae."
    switch "--skip-style",
           description: "Skip running non-RuboCop style checks. Useful if you plan on running "\
                        "`brew style` separately. Enabled by default unless a formula is specified by name."
    switch "-D", "--audit-debug",
           description: "Enable debugging and profiling of audit methods."
    comma_array "--only",
                description: "Specify a comma-separated <method> list to only run the methods named "\
                             "`audit_`<method>."
    comma_array "--except",
                description: "Specify a comma-separated <method> list to skip running the methods named "\
                             "`audit_`<method>."
    comma_array "--only-cops",
                description: "Specify a comma-separated <cops> list to check for violations of only the listed "\
                             "RuboCop cops."
    comma_array "--except-cops",
                description: "Specify a comma-separated <cops> list to skip checking for violations of the listed "\
                             "RuboCop cops."
    switch "--formula", "--formulae",
           description: "Treat all named arguments as formulae."
    switch "--cask", "--casks",
           description: "Treat all named arguments as casks."

    conflicts "--only", "--except"
    conflicts "--only-cops", "--except-cops", "--strict"
    conflicts "--only-cops", "--except-cops", "--only"
    conflicts "--display-cop-names", "--skip-style"
    conflicts "--display-cop-names", "--only-cops"
    conflicts "--display-cop-names", "--except-cops"
    conflicts "--formula", "--cask"
    conflicts "--installed", "--all"

    named_args [:formula, :cask]
  end
end

.auditing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'global.rb', line 104

def auditing?
  @auditing == true
end

.autoremove ⇒ Object 



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# File 'cmd/autoremove.rb', line 33

def autoremove
  args = autoremove_args.parse

  removable_formulae = get_removable_formulae(Formula.installed)

  if (casks = Cask::Caskroom.casks.presence)
    removable_formulae -= casks.flat_map { |cask| cask.depends_on[:formula] }
                               .compact
                               .map { |f| Formula[f] }
                               .flat_map { |f| [f, *f.runtime_formula_dependencies].compact }
  end
  return if removable_formulae.blank?

  formulae_names = removable_formulae.map(&:full_name).sort

  verb = args.dry_run? ? "Would uninstall" : "Uninstalling"
  oh1 "#{verb} #{formulae_names.count} unneeded #{"formula".pluralize(formulae_names.count)}:"
  puts formulae_names.join("\n")
  return if args.dry_run?

  kegs_by_rack = removable_formulae.map(&:any_installed_keg).group_by(&:rack)
  Uninstall.uninstall_kegs(kegs_by_rack)
end

.autoremove_args ⇒ Object 



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# File 'cmd/autoremove.rb', line 11

def autoremove_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Uninstall formulae that were only installed as a dependency of another formula and are now no longer needed.
    EOS
    switch "-n", "--dry-run",
           description: "List what would be uninstalled, but do not actually uninstall anything."

    named_args :none
  end
end

.autosquash!(original_commit, tap:, reason: "", verbose: false, resolve: false) ⇒ Object 



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# File 'dev-cmd/pr-pull.rb', line 226

def autosquash!(original_commit, tap:, reason: "", verbose: false, resolve: false)
  original_head = tap.path.git_head

  commits = Utils.safe_popen_read("git", "-C", tap.path, "rev-list",
                                  "--reverse", "#{original_commit}..HEAD").lines.map(&:strip)

  # Generate a bidirectional mapping of commits <=> formula/cask files.
  files_to_commits = {}
  commits_to_files = commits.to_h do |commit|
    files = Utils.safe_popen_read("git", "-C", tap.path, "diff-tree", "--diff-filter=AMD",
                                  "-r", "--name-only", "#{commit}^", commit).lines.map(&:strip)
    files.each do |file|
      files_to_commits[file] ||= []
      files_to_commits[file] << commit
      tap_file = tap.path/file
      if (tap_file.dirname == tap.formula_dir || tap_file.dirname == tap.cask_dir) &&
         File.extname(file) == ".rb"
        next
      end

      odie <<~EOS
        Autosquash can only squash commits that modify formula or cask files.
          File:   #{file}
          Commit: #{commit}
      EOS
    end
    [commit, files]
  end

  # Reset to state before cherry-picking.
  safe_system "git", "-C", tap.path, "reset", "--hard", original_commit

  # Iterate over every commit in the pull request series, but if we have to squash
  # multiple commits into one, ensure that we skip over commits we've already squashed.
  processed_commits = []
  commits.each do |commit|
    next if processed_commits.include? commit

    files = commits_to_files[commit]
    if files.length == 1 && files_to_commits[files.first].length == 1
      # If there's a 1:1 mapping of commits to files, just cherry pick and (maybe) reword.
      reword_package_commit(commit, files.first, path: tap.path, reason: reason, verbose: verbose, resolve: resolve)
      processed_commits << commit
    elsif files.length == 1 && files_to_commits[files.first].length > 1
      # If multiple commits modify a single file, squash them down into a single commit.
      file = files.first
      commits = files_to_commits[file]
      squash_package_commits(commits, file, path: tap.path, reason: reason, verbose: verbose, resolve: resolve)
      processed_commits += commits
    else
      # We can't split commits (yet) so just raise an error.
      odie <<~EOS
        Autosquash can't split commits that modify multiple files.
          Commit: #{commit}
          Files:  #{files.join " "}
      EOS
    end
  end
rescue
  opoo "Autosquash encountered an error; resetting to original cherry-picked state at #{original_head}"
  system "git", "-C", tap.path, "reset", "--hard", original_head
  system "git", "-C", tap.path, "cherry-pick", "--abort"
  raise
end

.backup(keg) ⇒ Object 



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# File 'reinstall.rb', line 80

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

.backup_path(path) ⇒ Object 



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# File 'reinstall.rb', line 103

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

.bottle ⇒ Object 



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# File 'dev-cmd/bottle.rb', line 95

def bottle
  args = bottle_args.parse

  if args.merge?
    Homebrew.install_bundler_gems!
    return merge(args: args)
  end

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

.bottle_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bottle.rb', line 45

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

    conflicts "--no-rebuild", "--keep-old"

    named_args [:installed_formula, :file], min: 1
  end
end

.bottle_formula(f, args:) ⇒ Object 



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# File 'dev-cmd/bottle.rb', line 294

def bottle_formula(f, args:)
  local_bottle_json = args.json? && f.local_bottle_path.present?

  unless local_bottle_json
    return ofail "Formula not installed or up-to-date: #{f.full_name}" unless f.latest_version_installed?
    return ofail "Formula was not installed with --build-bottle: #{f.full_name}" unless Utils::Bottles.built_as? f
  end

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

    tap = CoreTap.instance
  end

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

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

  bottle_tag, rebuild = if local_bottle_json
    _, tag_string, rebuild_string = Utils::Bottles.extname_tag_rebuild(f.local_bottle_path.to_s)
    [tag_string.to_sym, rebuild_string.to_i]
  end

  bottle_tag = if bottle_tag
    Utils::Bottles::Tag.from_symbol(bottle_tag)
  else
    Utils::Bottles.tag
  end

  rebuild ||= if args.no_rebuild? || !tap
    0
  elsif args.keep_old?
    f.bottle_specification.rebuild
  else
    ohai "Determining #{f.full_name} bottle rebuild..."
    FormulaVersions.new(f).formula_at_revision("origin/HEAD") do |upstream_f|
      if f.pkg_version == upstream_f.pkg_version && !upstream_f.bottle_unneeded?
        upstream_f.bottle_specification.rebuild + 1
      else
        0
      end
    end || 0
  end

  filename = Bottle::Filename.create(f, bottle_tag.to_sym, rebuild)
  local_filename = filename.to_s
  bottle_path = Pathname.pwd/filename

  tab = nil
  keg = nil

  tap_path = tap.path
  tap_git_revision = tap.git_head
  tap_git_remote = tap.remote

  root_url = args.root_url

  relocatable = T.let(false, T::Boolean)
  skip_relocation = T.let(false, T::Boolean)

  prefix = HOMEBREW_PREFIX.to_s
  cellar = HOMEBREW_CELLAR.to_s

  if local_bottle_json
    bottle_path = f.local_bottle_path
    local_filename = bottle_path.basename.to_s

    tab_path = Utils::Bottles.receipt_path(bottle_path)
    raise "This bottle does not contain the file INSTALL_RECEIPT.json: #{bottle_path}" unless tab_path

    tab_json = Utils::Bottles.file_from_bottle(bottle_path, tab_path)
    tab = Tab.from_file_content(tab_json, tab_path)

    tag_spec = Formula[f.name].bottle_specification.tag_specification_for(bottle_tag, no_older_versions: true)
    relocatable = [:any, :any_skip_relocation].include?(tag_spec.cellar)
    skip_relocation = tag_spec.cellar == :any_skip_relocation

    prefix = bottle_tag.default_prefix
    cellar = bottle_tag.default_cellar
  else
    tar_filename = filename.to_s.sub(/.gz$/, "")
    tar_path = Pathname.pwd/tar_filename

    keg = Keg.new(f.prefix)
  end

  ohai "Bottling #{local_filename}..."

  formula_and_runtime_deps_names = [f.name] + f.runtime_dependencies.map(&:name)

  # this will be nil when using a local bottle
  keg&.lock do
    original_tab = nil
    changed_files = nil

    begin
      keg.delete_pyc_files!

      changed_files = keg.replace_locations_with_placeholders unless args.skip_relocation?

      Formula.clear_cache
      Keg.clear_cache
      Tab.clear_cache
      Dependency.clear_cache
      Requirement.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.dup
      if args.only_json_tab?
        tab.changed_files.delete(Pathname.new(Tab::FILENAME))
        tab.tabfile.unlink
      else
        tab.write
      end

      keg.find do |file|
        # Set the times for reproducible bottles.
        if file.symlink?
          # Need to make symlink permissions consistent on macOS and Linux
          File.lchmod 0777, file if OS.mac?
          File.lutime(tab.source_modified_time, tab.source_modified_time, file)
        else
          file.utime(tab.source_modified_time, tab.source_modified_time)
        end
      end

      cd cellar do
        sudo_purge
        # Tar then gzip for reproducible bottles.
        tar, tar_args = setup_tar_and_args!(args)
        safe_system tar, "--create", "--numeric-owner",
                    *tar_args,
                    "--file", tar_path, "#{f.name}/#{f.pkg_version}"
        sudo_purge
        # Set more times for reproducible bottles.
        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).
        gz = Zlib::GzipWriter.open(bottle_path)
        gz.mtime = tab.source_modified_time
        gz.orig_name = relocatable_tar_path
        File.open(relocatable_tar_path, "rb") do |tarfile|
          gz.write(tarfile.read(GZIP_BUFFER_SIZE)) until tarfile.eof?
        end
        gz.close
        rm_f relocatable_tar_path
        sudo_purge
      end

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

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

      # Ignore matches to source code, which is not required at run time.
      # These matches may be caused by debugging symbols.
      ignores = [%r{/include/|\.(c|cc|cpp|h|hpp)$}]

      # Add additional workarounds to ignore
      ignores += formula_ignores(f)

      repository_reference = if HOMEBREW_PREFIX == HOMEBREW_REPOSITORY
        HOMEBREW_LIBRARY
      else
        HOMEBREW_REPOSITORY
      end.to_s
      if keg_contain?(repository_reference, keg, ignores + ALLOWABLE_HOMEBREW_REPOSITORY_LINKS, args: args)
        odie "Bottle contains non-relocatable reference to #{repository_reference}!"
      end

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

  bottle = BottleSpecification.new
  bottle.tap = tap
  bottle.root_url(root_url) if root_url
  bottle_cellar = if relocatable
    if skip_relocation
      :any_skip_relocation
    else
      :any
    end
  else
    cellar
  end
  bottle.rebuild rebuild
  sha256 = bottle_path.sha256
  bottle.sha256 cellar: bottle_cellar, bottle_tag.to_sym => sha256

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

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

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

  output = bottle_output(bottle, args.root_url_using)

  puts "./#{local_filename}"
  puts output

  return unless args.json?

  json = {
    f.full_name => {
      "formula" => {
        "name"             => f.name,
        "pkg_version"      => f.pkg_version.to_s,
        "path"             => f.path.to_s.delete_prefix("#{HOMEBREW_REPOSITORY}/"),
        "tap_git_path"     => f.path.to_s.delete_prefix("#{tap_path}/"),
        "tap_git_revision" => tap_git_revision,
        "tap_git_remote"   => tap_git_remote,
        # descriptions can contain emoji. sigh.
        "desc"             => f.desc.to_s.encode(
          Encoding.find("ASCII"),
          invalid: :replace, undef: :replace, replace: "",
        ).strip,
        "license"          => SPDX.license_expression_to_string(f.license),
        "homepage"         => f.homepage,
      },
      "bottle"  => {
        "root_url" => bottle.root_url,
        "cellar"   => bottle_cellar.to_s,
        "rebuild"  => bottle.rebuild,
        "date"     => Pathname(filename.to_s).mtime.strftime("%F"),
        "tags"     => {
          bottle_tag.to_s => {
            "filename"              => filename.url_encode,
            "local_filename"        => filename.to_s,
            "sha256"                => sha256,
            "formulae_brew_sh_path" => Homebrew::API::Formula.formula_api_path,
            "tab"                   => tab.to_bottle_hash,
          },
        },
      },
    },
  }

  puts "Writing #{filename.json}" if args.verbose?
  json_path = Pathname(filename.json)
  json_path.unlink if json_path.exist?
  json_path.write(JSON.pretty_generate(json))
end

.bottle_output(bottle, root_url_using) ⇒ Object 



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# File 'dev-cmd/bottle.rb', line 207

def bottle_output(bottle, root_url_using)
  cellars = bottle.checksums.map do |checksum|
    cellar = checksum["cellar"]
    next unless cellar_parameter_needed? cellar

    case cellar
    when String
      %Q("#{cellar}")
    when Symbol
      ":#{cellar}"
    end
  end.compact
  tag_column = cellars.empty? ? 0 : "cellar: #{cellars.max_by(&:length)}, ".length

  tags = bottle.checksums.map { |checksum| checksum["tag"] }
  # Start where the tag ends, add the max length of the tag, add two for the `: `
  digest_column = tag_column + tags.max_by(&:length).length + 2

  sha256_lines = bottle.checksums.map do |checksum|
    generate_sha256_line(checksum["tag"], checksum["digest"], checksum["cellar"], tag_column, digest_column)
  end
  erb_binding = bottle.instance_eval { binding }
  erb_binding.local_variable_set(:sha256_lines, sha256_lines)
  erb_binding.local_variable_set(:root_url_using, root_url_using)
  erb = ERB.new BOTTLE_ERB
  erb.result(erb_binding).gsub(/^\s*$\n/, "")
end

.bottles_hash_from_json_files(json_files, args) ⇒ Object 



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# File 'dev-cmd/pr-upload.rb', line 74

def bottles_hash_from_json_files(json_files, args)
  puts "Reading JSON files: #{json_files.join(", ")}" if args.verbose?

  bottles_hash = json_files.reduce({}) do |hash, json_file|
    hash.deep_merge(JSON.parse(File.read(json_file)))
  end

  if args.root_url
    bottles_hash.each_value do |bottle_hash|
      bottle_hash["bottle"]["root_url"] = args.root_url
    end
  end

  bottles_hash
end

.brief_build_info(f, with_hostname:) ⇒ Object 



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# File 'cmd/gist-logs.rb', line 73

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

.build_man_page(quiet:) ⇒ Object 



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# File 'dev-cmd/generate-man-completions.rb', line 60

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

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

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

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

.bump ⇒ Object 



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# File 'dev-cmd/bump.rb', line 42

def bump
  args = bump_args.parse

  if args.limit.present? && !args.formula? && !args.cask?
    raise UsageError, "`--limit` must be used with either `--formula` or `--cask`."
  end

  formulae_and_casks = if args.formula?
    args.named.to_formulae
  elsif args.cask?
    args.named.to_casks
  else
    args.named.to_formulae_and_casks
  end
  formulae_and_casks = formulae_and_casks&.sort_by do |formula_or_cask|
    formula_or_cask.respond_to?(:token) ? formula_or_cask.token : formula_or_cask.name
  end

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

  unless Utils::Curl.curl_supports_tls13?
    begin
      unless Pathname.new(ENV["HOMEBREW_BREWED_CURL_PATH"]).exist?
        ensure_formula_installed!("curl", reason: "Repology queries")
      end
    rescue FormulaUnavailableError
      opoo "A newer `curl` is required for Repology queries."
    end
  end

  if formulae_and_casks.present?
    Livecheck.load_other_tap_strategies(formulae_and_casks)

    ambiguous_casks = []
    if !args.formula? && !args.cask?
      ambiguous_casks = formulae_and_casks.group_by { |item| Livecheck.formula_or_cask_name(item, full_name: true) }
                                          .values
                                          .select { |items| items.length > 1 }
                                          .flatten
                                          .select { |item| item.is_a?(Cask::Cask) }
    end

    ambiguous_names = []
    unless args.full_name?
      ambiguous_names =
        (formulae_and_casks - ambiguous_casks).group_by { |item| Livecheck.formula_or_cask_name(item) }
                                              .values
                                              .select { |items| items.length > 1 }
                                              .flatten
    end

    formulae_and_casks.each_with_index do |formula_or_cask, i|
      puts if i.positive?

      use_full_name = args.full_name? || ambiguous_names.include?(formula_or_cask)
      name = Livecheck.formula_or_cask_name(formula_or_cask, full_name: use_full_name)
      repository = if formula_or_cask.is_a?(Formula)
        if formula_or_cask.head_only?
          ohai name
          puts "Formula is HEAD-only."
          next
        end

        Repology::HOMEBREW_CORE
      else
        Repology::HOMEBREW_CASK
      end

      package_data = if formula_or_cask.is_a?(Formula) && formula_or_cask.versioned_formula?
        nil
      else
        Repology.single_package_query(name, repository: repository)
      end

      retrieve_and_display_info_and_open_pr(
        formula_or_cask,
        name,
        package_data&.values&.first,
        args:           args,
        ambiguous_cask: ambiguous_casks.include?(formula_or_cask),
      )
    end
  else
    api_response = {}
    unless args.cask?
      api_response[:formulae] =
        Repology.parse_api_response(limit, args.start_with, repository: Repology::HOMEBREW_CORE)
    end
    unless args.formula?
      api_response[:casks] =
        Repology.parse_api_response(limit, args.start_with, repository: Repology::HOMEBREW_CASK)
    end

    api_response.each_with_index do |(package_type, outdated_packages), idx|
      repository = if package_type == :formulae
        Repology::HOMEBREW_CORE
      else
        Repology::HOMEBREW_CASK
      end
      puts if idx.positive?
      oh1 package_type.capitalize if api_response.size > 1

      outdated_packages.each_with_index do |(_name, repositories), i|
        break if limit && i >= limit

        homebrew_repo = repositories.find do |repo|
          repo["repo"] == repository
        end

        next if homebrew_repo.blank?

        formula_or_cask = begin
          if repository == Repology::HOMEBREW_CORE
            Formula[homebrew_repo["srcname"]]
          else
            Cask::CaskLoader.load(homebrew_repo["srcname"])
          end
        rescue
          next
        end
        name = Livecheck.formula_or_cask_name(formula_or_cask)
        ambiguous_cask = begin
          formula_or_cask.is_a?(Cask::Cask) && !args.cask? && Formula[name]
        rescue FormulaUnavailableError
          false
        end

        puts if i.positive?
        retrieve_and_display_info_and_open_pr(
          formula_or_cask,
          name,
          repositories,
          args:           args,
          ambiguous_cask: ambiguous_cask,
        )
      end
    end
  end
end

.bump_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bump.rb', line 13

def bump_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display out-of-date brew formulae and the latest version available. If the
      returned current and livecheck versions differ or when querying specific
      formulae, also displays whether a pull request has been opened with the URL.
    EOS
    switch "--full-name",
           description: "Print formulae/casks with fully-qualified names."
    switch "--no-pull-requests",
           description: "Do not retrieve pull requests from GitHub."
    switch "--formula", "--formulae",
           description: "Check only formulae."
    switch "--cask", "--casks",
           description: "Check only casks."
    switch "--open-pr",
           description: "Open a pull request for the new version if there are none already open."
    flag   "--limit=",
           description: "Limit number of package results returned."
    flag   "--start-with=",
           description: "Letter or word that the list of package results should alphabetically follow."

    conflicts "--cask", "--formula"
    conflicts "--no-pull-requests", "--open-pr"

    named_args [:formula, :cask]
  end
end

.bump_cask_pr ⇒ Object 



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# File 'dev-cmd/bump-cask-pr.rb', line 62

def bump_cask_pr
  args = bump_cask_pr_args.parse

  odisabled "`brew bump-cask-pr --write`", "`brew bump-cask-pr --write-only`" if args.write?

  # This will be run by `brew style` later so run it first to not start
  # spamming during normal output.
  Homebrew.install_bundler_gems!

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

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

  cask = args.named.to_casks.first

  odie "This cask is not in a tap!" if cask.tap.blank?
  odie "This cask's tap is not a Git repository!" unless cask.tap.git?

  new_version = args.version
  new_version = :latest if ["latest", ":latest"].include?(new_version)
  new_version = Cask::DSL::Version.new(new_version) if new_version.present?
  new_base_url = args.url
  new_hash = args.sha256
  new_hash = :no_check if ["no_check", ":no_check"].include? new_hash

  if new_version.nil? && new_base_url.nil? && new_hash.nil?
    raise UsageError, "No --version=/--url=/--sha256= argument specified!"
  end

  old_version = cask.version
  old_hash = cask.sha256

  check_open_pull_requests(cask, args: args)

  old_contents = File.read(cask.sourcefile_path)

  replacement_pairs = []

  if new_version.present?
    old_version_regex = old_version.latest? ? ":latest" : "[\"']#{Regexp.escape(old_version.to_s)}[\"']"

    replacement_pairs << [
      /version\s+#{old_version_regex}/m,
      "version #{new_version.latest? ? ":latest" : "\"#{new_version}\""}",
    ]
  end

  if new_base_url.present?
    m = /^ +url "(.+?)"\n/m.match(old_contents)
    odie "Could not find old URL in cask!" if m.nil?

    old_base_url = m.captures.first

    replacement_pairs << [
      /#{Regexp.escape(old_base_url)}/,
      new_base_url,
    ]
  end

  if new_version.present?
    if new_version.latest?
      opoo "Ignoring specified `--sha256=` argument." if new_hash.present?
      new_hash = :no_check
    elsif new_hash.nil? || cask.languages.present?
      tmp_contents = Utils::Inreplace.inreplace_pairs(cask.sourcefile_path,
                                                      replacement_pairs.uniq.compact,
                                                      read_only_run: true,
                                                      silent:        true)

      tmp_cask = Cask::CaskLoader.load(tmp_contents)
      tmp_config = tmp_cask.config

      if old_hash != :no_check
        new_hash = fetch_cask(tmp_contents)[1] if new_hash.nil?

        if tmp_contents.include?("Hardware::CPU.intel?")
          other_intel = !Hardware::CPU.intel?
          other_contents = tmp_contents.gsub("Hardware::CPU.intel?", other_intel.to_s)
          replacement_pairs << fetch_cask(other_contents)
        end
      end

      cask.languages.each do |language|
        lang_config = tmp_config.merge(Cask::Config.new(explicit: { languages: [language] }))
        replacement_pairs << fetch_cask(tmp_contents, config: lang_config)
      end
    end
  end

  if new_hash.present? && cask.language.blank? # avoid repeated replacement for multilanguage cask
    hash_regex = old_hash == :no_check ? ":no_check" : "[\"']#{Regexp.escape(old_hash.to_s)}[\"']"

    replacement_pairs << [
      /sha256\s+#{hash_regex}/m,
      "sha256 #{new_hash == :no_check ? ":no_check" : "\"#{new_hash}\""}",
    ]
  end

  Utils::Inreplace.inreplace_pairs(cask.sourcefile_path,
                                   replacement_pairs.uniq.compact,
                                   read_only_run: args.dry_run?,
                                   silent:        args.quiet?)

  run_cask_audit(cask, old_contents, args: args)
  run_cask_style(cask, old_contents, args: args)

  branch_name = "bump-#{cask.token}"
  commit_message = "Update #{cask.token}"
  if new_version.present?
    if new_version.before_comma != old_version.before_comma
      new_version = new_version.before_comma
      old_version = old_version.before_comma
    end
    branch_name += "-#{new_version.tr(",:", "-")}"
    commit_message += " from #{old_version} to #{new_version}"
  end
  pr_info = {
    sourcefile_path: cask.sourcefile_path,
    old_contents:    old_contents,
    branch_name:     branch_name,
    commit_message:  commit_message,
    tap:             cask.tap,
    pr_message:      "Created with `brew bump-cask-pr`.",
  }
  GitHub.create_bump_pr(pr_info, args: args)
end

.bump_cask_pr_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bump-cask-pr.rb', line 15

def bump_cask_pr_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Create a pull request to update <cask> with a new version.

      A best effort to determine the <SHA-256> will be made if the value is not
      supplied by the user.
    EOS
    switch "-n", "--dry-run",
           description: "Print what would be done rather than doing it."
    switch "--write-only",
           description: "Make the expected file modifications without taking any Git actions."
    switch "--write", hidden: true
    switch "--commit",
           depends_on:  "--write-only",
           description: "When passed with `--write-only`, generate a new commit after writing changes "\
                        "to the cask file."
    switch "--no-audit",
           description: "Don't run `brew audit` before opening the PR."
    switch "--online",
           description: "Run `brew audit --online` before opening the PR."
    switch "--no-style",
           description: "Don't run `brew style --fix` before opening the PR."
    switch "--no-browse",
           description: "Print the pull request URL instead of opening in a browser."
    switch "--no-fork",
           description: "Don't try to fork the repository."
    flag   "--version=",
           description: "Specify the new <version> for the cask."
    flag   "--message=",
           description: "Append <message> to the default pull request message."
    flag   "--url=",
           description: "Specify the <URL> for the new download."
    flag   "--sha256=",
           description: "Specify the <SHA-256> checksum of the new download."
    flag   "--fork-org=",
           description: "Use the specified GitHub organization for forking."
    switch "-f", "--force",
           description: "Ignore duplicate open PRs."

    conflicts "--dry-run", "--write"
    conflicts "--no-audit", "--online"

    named_args :cask, number: 1
  end
end

.bump_formula_pr ⇒ Object

Raises:



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# File 'dev-cmd/bump-formula-pr.rb', line 100

def bump_formula_pr
  args = bump_formula_pr_args.parse

  odeprecated "`brew bump-formula-pr --write`", "`brew bump-formula-pr --write-only`" if args.write?

  if args.revision.present? && args.tag.nil? && args.version.nil?
    raise UsageError, "`--revision` must be passed with either `--tag` or `--version`!"
  end

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

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

  formula = args.named.to_formulae.first

  new_url = args.url
  formula ||= determine_formula_from_url(new_url) if new_url.present?
  raise FormulaUnspecifiedError if formula.blank?

  odie "This formula is disabled!" if formula.disabled?
  odie "This formula is deprecated and does not build!" if formula.deprecation_reason == :does_not_build
  odie "This formula is not in a tap!" if formula.tap.blank?
  odie "This formula's tap is not a Git repository!" unless formula.tap.git?

  formula_spec = formula.stable
  odie "#{formula}: no stable specification found!" if formula_spec.blank?

  # This will be run by `brew audit` later so run it first to not start
  # spamming during normal output.
  Homebrew.install_bundler_gems!

  tap_remote_repo = formula.tap.remote_repo
  remote = "origin"
  remote_branch = formula.tap.path.git_origin_branch
  previous_branch = "-"

  check_open_pull_requests(formula, tap_remote_repo, args: args)

  new_version = args.version
  check_new_version(formula, tap_remote_repo, version: new_version, args: args) if new_version.present?

  opoo "This formula has patches that may be resolved upstream." if formula.patchlist.present?
  if formula.resources.any? { |resource| !resource.name.start_with?("homebrew-") }
    opoo "This formula has resources that may need to be updated."
  end

  old_mirrors = formula_spec.mirrors
  new_mirrors ||= args.mirror
  new_mirror ||= determine_mirror(new_url)
  new_mirrors ||= [new_mirror] if new_mirror.present?

  check_for_mirrors(formula, old_mirrors, new_mirrors, args: args) if new_url.present?

  old_hash = formula_spec.checksum&.hexdigest
  new_hash = args.sha256
  new_tag = args.tag
  new_revision = args.revision
  old_url = formula_spec.url
  old_tag = formula_spec.specs[:tag]
  old_formula_version = formula_version(formula)
  old_version = old_formula_version.to_s
  forced_version = new_version.present?
  new_url_hash = if new_url.present? && new_hash.present?
    check_new_version(formula, tap_remote_repo, url: new_url, args: args) if new_version.blank?
    true
  elsif new_tag.present? && new_revision.present?
    check_new_version(formula, tap_remote_repo, url: old_url, tag: new_tag, args: args) if new_version.blank?
    false
  elsif old_hash.blank?
    if new_tag.blank? && new_version.blank? && new_revision.blank?
      raise UsageError, "#{formula}: no --tag= or --version= argument specified!"
    end

    if old_tag.present?
      new_tag ||= old_tag.gsub(old_version, new_version)
      if new_tag == old_tag
        odie <<~EOS
          You need to bump this formula manually since the new tag
          and old tag are both #{new_tag}.
        EOS
      end
      check_new_version(formula, tap_remote_repo, url: old_url, tag: new_tag, args: args) if new_version.blank?
      resource_path, forced_version = fetch_resource(formula, new_version, old_url, tag: new_tag)
      new_revision = Utils.popen_read("git", "-C", resource_path.to_s, "rev-parse", "-q", "--verify", "HEAD")
      new_revision = new_revision.strip
    elsif new_revision.blank?
      odie "#{formula}: the current URL requires specifying a `--revision=` argument."
    end
    false
  elsif new_url.blank? && new_version.blank?
    raise UsageError, "#{formula}: no --url= or --version= argument specified!"
  else
    new_url ||= PyPI.update_pypi_url(old_url, new_version)
    if new_url.blank?
      new_url = old_url.gsub(old_version, new_version)
      if new_mirrors.blank? && old_mirrors.present?
        new_mirrors = old_mirrors.map do |old_mirror|
          old_mirror.gsub(old_version, new_version)
        end
      end
    end
    if new_url == old_url
      odie <<~EOS
        You need to bump this formula manually since the new URL
        and old URL are both:
          #{new_url}
      EOS
    end
    check_new_version(formula, tap_remote_repo, url: new_url, args: args) if new_version.blank?
    resource_path, forced_version = fetch_resource(formula, new_version, new_url)
    Utils::Tar.validate_file(resource_path)
    new_hash = resource_path.sha256
  end

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

  old_contents = formula.path.read

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

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

  new_formula_version = formula_version(formula, new_contents)

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

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

  unless args.dry_run?
    resources_checked = PyPI.update_python_resources! formula,
                                                      version:                  new_formula_version,
                                                      package_name:             args.python_package_name,
                                                      extra_packages:           args.python_extra_packages,
                                                      exclude_packages:         args.python_exclude_packages,
                                                      silent:                   args.quiet?,
                                                      ignore_non_pypi_packages: true
  end

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

  pr_message = "Created with `brew bump-formula-pr`."
  if resources_checked.nil? && formula.resources.any? { |resource| !resource.name.start_with?("homebrew-") }
    pr_message += <<~EOS


      `resource` blocks may require updates.
    EOS
  end

  pr_info = {
    sourcefile_path:  formula.path,
    old_contents:     old_contents,
    additional_files: alias_rename,
    remote:           remote,
    remote_branch:    remote_branch,
    branch_name:      "bump-#{formula.name}-#{new_formula_version}",
    commit_message:   "#{formula.name} #{new_formula_version}",
    previous_branch:  previous_branch,
    tap:              formula.tap,
    tap_remote_repo:  tap_remote_repo,
    pr_message:       pr_message,
  }
  GitHub.create_bump_pr(pr_info, args: args)
end

.bump_formula_pr_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bump-formula-pr.rb', line 15

def bump_formula_pr_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Create a pull request to update <formula> with a new URL or a new tag.

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

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

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

      *Note:* this command cannot be used to transition a formula from a
      URL-and-SHA-256 style specification into a tag-and-revision style specification,
      nor vice versa. It must use whichever style specification the formula already uses.
    EOS
    switch "-n", "--dry-run",
           description: "Print what would be done rather than doing it."
    switch "--all",
           description: "Read all formulae if necessary to determine URL.",
           hidden:      true
    switch "--write-only",
           description: "Make the expected file modifications without taking any Git actions."
    switch "--write", hidden: true
    switch "--commit",
           depends_on:  "--write-only",
           description: "When passed with `--write-only`, generate a new commit after writing changes "\
                        "to the formula file."
    switch "--no-audit",
           description: "Don't run `brew audit` before opening the PR."
    switch "--strict",
           description: "Run `brew audit --strict` before opening the PR."
    switch "--online",
           description: "Run `brew audit --online` before opening the PR."
    switch "--no-browse",
           description: "Print the pull request URL instead of opening in a browser."
    switch "--no-fork",
           description: "Don't try to fork the repository."
    comma_array "--mirror",
                description: "Use the specified <URL> as a mirror URL. If <URL> is a comma-separated list "\
                             "of URLs, multiple mirrors will be added."
    flag   "--fork-org=",
           description: "Use the specified GitHub organization for forking."
    flag   "--version=",
           description: "Use the specified <version> to override the value parsed from the URL or tag. Note "\
                        "that `--version=0` can be used to delete an existing version override from a "\
                        "formula if it has become redundant."
    flag   "--message=",
           description: "Append <message> to the default pull request message."
    flag   "--url=",
           description: "Specify the <URL> for the new download. If a <URL> is specified, the <SHA-256> "\
                        "checksum of the new download should also be specified."
    flag   "--sha256=",
           depends_on:  "--url=",
           description: "Specify the <SHA-256> checksum of the new download."
    flag   "--tag=",
           description: "Specify the new git commit <tag> for the formula."
    flag   "--revision=",
           description: "Specify the new commit <revision> corresponding to the specified git <tag> "\
                        "or specified <version>."
    switch "-f", "--force",
           description: "Ignore duplicate open PRs. Remove all mirrors if `--mirror` was not specified."
    flag   "--python-package-name=",
           description: "Use the specified <package-name> when finding Python resources for <formula>. "\
                        "If no package name is specified, it will be inferred from the formula's stable URL."
    comma_array "--python-extra-packages=",
                description: "Include these additional Python packages when finding resources."
    comma_array "--python-exclude-packages=",
                description: "Exclude these Python packages when finding resources."

    conflicts "--dry-run", "--write-only"
    conflicts "--dry-run", "--write"
    conflicts "--no-audit", "--strict"
    conflicts "--no-audit", "--online"
    conflicts "--url", "--tag"
    conflicts "--installed", "--all"

    named_args :formula, max: 1
  end
end

.bump_revision ⇒ Object 



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# File 'dev-cmd/bump-revision.rb', line 34

def bump_revision
  args = bump_revision_args.parse

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

  args.named.to_formulae.each do |formula|
    current_revision = formula.revision
    new_revision = current_revision + 1

    if args.dry_run?
      unless args.quiet?
        old_text = "revision #{current_revision}"
        new_text = "revision #{new_revision}"
        if current_revision.zero?
          ohai "add #{new_text.inspect}"
        else
          ohai "replace #{old_text.inspect} with #{new_text.inspect}"
        end
      end
    else
      Homebrew.install_bundler_gems!
      require "utils/ast"

      formula_ast = Utils::AST::FormulaAST.new(formula.path.read)
      if current_revision.zero?
        formula_ast.add_stanza(:revision, new_revision)
      else
        formula_ast.replace_stanza(:revision, new_revision)
      end
      formula_ast.remove_stanza(:bottle) if args.remove_bottle_block?
      formula.path.atomic_write(formula_ast.process)
    end

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

.bump_revision_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bump-revision.rb', line 13

def bump_revision_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Create a commit to increment the revision of <formula>. If no revision is
      present, "revision 1" will be added.
    EOS
    switch "-n", "--dry-run",
           description: "Print what would be done rather than doing it."
    switch "--remove-bottle-block",
           description: "Remove the bottle block in addition to bumping the revision."
    switch "--write-only",
           description: "Make the expected file modifications without taking any Git actions."
    flag   "--message=",
           description: "Append <message> to the default commit message."

    conflicts "--dry-run", "--write-only"

    named_args :formula, min: 1
  end
end

.bump_unversioned_cask(cask, state:, dry_run:) ⇒ Hash{String => T.untyped}?

Parameters:

Returns:

  • (Hash{String => T.untyped}, nil) 


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# File 'dev-cmd/bump-unversioned-casks.rb', line 89

def self.bump_unversioned_cask(cask, state:, dry_run:)
  ohai "Checking #{cask.full_name}"

  unversioned_cask_checker = UnversionedCaskChecker.new(cask)

  if !unversioned_cask_checker.single_app_cask? &&
     !unversioned_cask_checker.single_pkg_cask? &&
     !unversioned_cask_checker.single_qlplugin_cask?
    opoo "Skipping, not a single-app or PKG cask."
    return
  end

  last_check_time = state["check_time"]&.yield_self { |t| Time.parse(t) }

  check_time = Time.now
  if last_check_time && check_time < (last_check_time + 1.day)
    opoo "Skipping, already checked within the last 24 hours."
    return
  end

  last_sha256 = state["sha256"]
  last_time = state["time"]&.yield_self { |t| Time.parse(t) }
  last_file_size = state["file_size"]

  download = Cask::Download.new(cask)
  time, file_size = begin
    download.time_file_size
  rescue
    [nil, nil]
  end

  if last_time != time || last_file_size != file_size
    sha256 = begin
      Timeout.timeout(5.minutes) do
        unversioned_cask_checker.installer.download.sha256
      end
    rescue => e
      onoe e
    end

    if sha256.present? && last_sha256 != sha256
      version = begin
        Timeout.timeout(1.minute) do
          unversioned_cask_checker.guess_cask_version
        end
      rescue Timeout::Error
        onoe "Timed out guessing version for cask '#{cask}'."
      end

      if version
        if cask.version == version
          oh1 "Cask #{cask} is up-to-date at #{version}"
        else
          bump_cask_pr_args = [
            "bump-cask-pr",
            "--version", version.to_s,
            "--sha256", ":no_check",
            "--message", "Automatic update via `brew bump-unversioned-casks`.",
            cask.sourcefile_path
          ]

          if dry_run
            bump_cask_pr_args << "--dry-run"
            oh1 "Would bump #{cask} from #{cask.version} to #{version}"
          else
            oh1 "Bumping #{cask} from #{cask.version} to #{version}"
          end

          begin
            system_command! HOMEBREW_BREW_FILE, args: bump_cask_pr_args
          rescue ErrorDuringExecution => e
            onoe e
          end
        end
      end
    end
  end

  {
    "sha256"     => sha256,
    "check_time" => check_time.iso8601,
    "time"       => time&.iso8601,
    "file_size"  => file_size,
  }
end

.bump_unversioned_casks ⇒ void

This method returns an undefined value.



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# File 'dev-cmd/bump-unversioned-casks.rb', line 35

def self.bump_unversioned_casks
  args = bump_unversioned_casks_args.parse

  state_file = if args.state_file.present?
    Pathname(args.state_file).expand_path
  else
    HOMEBREW_CACHE/"bump_unversioned_casks.json"
  end
  state_file.dirname.mkpath

  state = state_file.exist? ? JSON.parse(state_file.read) : {}

  casks = args.named.to_paths(only: :cask, recurse_tap: true).map { |path| Cask::CaskLoader.load(path) }

  unversioned_casks = casks.select { |cask| cask.url&.unversioned? }

  ohai "Unversioned Casks: #{unversioned_casks.count} (#{state.size} cached)"

  checked, unchecked = unversioned_casks.partition { |c| state.key?(c.full_name) }

  queue = Queue.new

  # Start with random casks which have not been checked.
  unchecked.shuffle.each do |c|
    queue.enq c
  end

  # Continue with previously checked casks, ordered by when they were last checked.
  checked.sort_by { |c| state.dig(c.full_name, "check_time") }.each do |c|
    queue.enq c
  end

  limit = args.limit.presence&.to_i
  end_time = Time.now + limit.minutes if limit

  until queue.empty? || (end_time && end_time < Time.now)
    cask = queue.deq

    key = cask.full_name

    new_state = bump_unversioned_cask(cask, state: state.fetch(key, {}), dry_run: args.dry_run?)

    next unless new_state

    state[key] = new_state

    state_file.atomic_write JSON.pretty_generate(state) unless args.dry_run?
  end
end

.bump_unversioned_casks_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/bump-unversioned-casks.rb', line 18

def self.bump_unversioned_casks_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Check all casks with unversioned URLs in a given <tap> for updates.
    EOS
    switch "-n", "--dry-run",
           description: "Do everything except caching state and opening pull requests."
    flag   "--limit=",
           description: "Maximum runtime in minutes."
    flag   "--state-file=",
           description: "File for caching state."

    named_args [:cask, :tap], min: 1
  end
end

.cat ⇒ Object 



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# File 'dev-cmd/cat.rb', line 29

def cat
  args = cat_args.parse

  cd HOMEBREW_REPOSITORY
  pager = if Homebrew::EnvConfig.bat?
    ENV["BAT_CONFIG_PATH"] = Homebrew::EnvConfig.bat_config_path
    ensure_formula_installed!(
      "bat",
      reason:           "displaying <formula>/<cask> source",
      # The user might want to capture the output of `brew cat ...`
      # Redirect stdout to stderr
      output_to_stderr: true,
    ).opt_bin/"bat"
  else
    "cat"
  end

  safe_system pager, args.named.to_paths.first
end

.cat_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/cat.rb', line 12

def cat_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display the source of a <formula> or <cask>.
    EOS

    switch "--formula", "--formulae",
           description: "Treat all named arguments as formulae."
    switch "--cask", "--casks",
           description: "Treat all named arguments as casks."

    conflicts "--formula", "--cask"

    named_args [:formula, :cask], number: 1
  end
end

.cellar_parameter_needed?(cellar) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'dev-cmd/bottle.rb', line 183

def cellar_parameter_needed?(cellar)
  default_cellars = [
    Homebrew::DEFAULT_MACOS_CELLAR,
    Homebrew::DEFAULT_MACOS_ARM_CELLAR,
    Homebrew::DEFAULT_LINUX_CELLAR,
  ]
  cellar.present? && default_cellars.exclude?(cellar)
end

.changed_packages(tap, original_commit) ⇒ Object 



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# File 'dev-cmd/pr-pull.rb', line 319

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

    name = "#{tap.name}/#{File.basename(line.chomp, ".rb")}"
    if Homebrew::EnvConfig.disable_load_formula?
      opoo "Can't check if updated bottles are necessary as HOMEBREW_DISABLE_LOAD_FORMULA is set!"
      break
    end
    begin
      Formulary.resolve(name)
    rescue FormulaUnavailableError
      nil
    end
  end.compact
  casks = Utils.popen_read("git", "-C", tap.path, "diff-tree",
                           "-r", "--name-only", "--diff-filter=AM",
                           original_commit, "HEAD", "--", tap.cask_dir)
               .lines
               .map do |line|
    next unless line.end_with? ".rb\n"

    name = "#{tap.name}/#{File.basename(line.chomp, ".rb")}"
    begin
      Cask::CaskLoader.load(name)
    rescue Cask::CaskUnavailableError
      nil
    end
  end.compact
  formulae + casks
end

.changed_test_files ⇒ Object

Raises:



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# File 'dev-cmd/tests.rb', line 71

def changed_test_files
  changed_files = Utils.popen_read("git", "diff", "--name-only", "master")

  raise UsageError, "No files have been changed from the master branch!" if changed_files.blank?

  filestub_regex = %r{Library/Homebrew/([\w/-]+).rb}
  changed_files.scan(filestub_regex).map(&:last).map do |filestub|
    if filestub.start_with?("test/")
      # Only run tests on *_spec.rb files in test/ folder
      filestub.end_with?("_spec") ? Pathname("#{filestub}.rb") : nil
    else
      # For all other changed .rb files guess the associated test file name
      Pathname("test/#{filestub}_spec.rb")
    end
  end.compact.select(&:exist?)
end

.check_bottled_formulae!(bottles_hash) ⇒ Object 



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# File 'dev-cmd/pr-upload.rb', line 47

def check_bottled_formulae!(bottles_hash)
  bottles_hash.each do |name, bottle_hash|
    formula_path = HOMEBREW_REPOSITORY/bottle_hash["formula"]["path"]
    formula_version = Formulary.factory(formula_path).pkg_version
    bottle_version = PkgVersion.parse bottle_hash["formula"]["pkg_version"]
    next if formula_version == bottle_version

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

.check_closed_pull_requests(formula, tap_remote_repo, args:, version:) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 472

def check_closed_pull_requests(formula, tap_remote_repo, args:, version:)
  # if we haven't already found open requests, try for an exact match across closed requests
  GitHub.check_for_duplicate_pull_requests(formula.name, tap_remote_repo,
                                           version: version,
                                           state:   "closed",
                                           file:    formula.path.relative_path_from(formula.tap.path).to_s,
                                           args:    args)
end

.check_for_mirrors(formula, old_mirrors, new_mirrors, args:) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 409

def check_for_mirrors(formula, old_mirrors, new_mirrors, args:)
  return if new_mirrors.present? || old_mirrors.empty?

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

.check_new_version(formula, tap_remote_repo, args:, version: nil, url: nil, tag: nil) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 450

def check_new_version(formula, tap_remote_repo, args:, version: nil, url: nil, tag: nil)
  if version.nil?
    specs = {}
    specs[:tag] = tag if tag.present?
    version = Version.detect(url, **specs)
    return if version.null?
  end

  check_throttle(formula, version)
  check_closed_pull_requests(formula, tap_remote_repo, args: args, version: version)
end

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



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# File 'dev-cmd/bump-cask-pr.rb', line 205

def check_open_pull_requests(cask, args:)
  tap_remote_repo = cask.tap.remote_repo || cask.tap.full_name
  GitHub.check_for_duplicate_pull_requests(cask.token, tap_remote_repo,
                                           state: "open",
                                           file:  cask.sourcefile_path.relative_path_from(cask.tap.path).to_s,
                                           args:  args)
end

.check_throttle(formula, new_version) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 462

def check_throttle(formula, new_version)
  throttled_rate = formula.tap.audit_exceptions.dig(:throttled_formulae, formula.name)
  return if throttled_rate.blank?

  formula_suffix = Version.new(new_version).patch.to_i
  return if formula_suffix.modulo(throttled_rate).zero?

  odie "#{formula} should only be updated every #{throttled_rate} releases on multiples of #{throttled_rate}"
end

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



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# File 'dev-cmd/pr-pull.rb', line 291

def cherry_pick_pr!(user, repo, pr, args:, path: ".")
  if args.dry_run?
    puts <<~EOS
      git fetch --force origin +refs/pull/#{pr}/head
      git merge-base HEAD FETCH_HEAD
      git cherry-pick --ff --allow-empty $merge_base..FETCH_HEAD
    EOS
    return
  end

  commits = GitHub.pull_request_commits(user, repo, pr)
  safe_system "git", "-C", path, "fetch", "--quiet", "--force", "origin", commits.last
  ohai "Using #{commits.count} commit#{"s" unless commits.count == 1} from ##{pr}"
  Utils::Git.cherry_pick!(path, "--ff", "--allow-empty", *commits, verbose: args.verbose?, resolve: args.resolve?)
end

.cleanup ⇒ Object 



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# File 'cmd/cleanup.rb', line 38

def cleanup
  args = cleanup_args.parse

  days = args.prune.presence&.yield_self do |prune|
    case prune
    when /\A\d+\Z/
      prune.to_i
    when "all"
      0
    else
      raise UsageError, "`--prune=` expects an integer or `all`."
    end
  end

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

  cleanup.clean!

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

  return if cleanup.unremovable_kegs.empty?

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

.cleanup_args ⇒ CLI::Parser

Returns:



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# File 'cmd/cleanup.rb', line 13

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

    named_args [:formula, :cask]
  end
end

.cmd_comment_manpage_lines(cmd_path) ⇒ Object 



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# File 'dev-cmd/generate-man-completions.rb', line 187

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

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

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

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

.cmd_parser_manpage_lines(cmd_parser) ⇒ Object 



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# File 'dev-cmd/generate-man-completions.rb', line 170

def cmd_parser_manpage_lines(cmd_parser)
  lines = [format_usage_banner(cmd_parser.usage_banner_text)]
  lines += cmd_parser.processed_options.map do |short, long, _, desc, hidden|
    next if hidden

    if long.present?
      next if Homebrew::CLI::Parser.global_options.include?([short, long, desc])
      next if Homebrew::CLI::Parser.global_cask_options.any? do |_, option, description:, **|
                [long, "#{long}="].include?(option) && description == desc
              end
    end

    generate_option_doc(short, long, desc)
  end.compact
  lines
end

.command ⇒ Object 



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# File 'dev-cmd/command.rb', line 23

def command
  args = command_args.parse

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

.command_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/command.rb', line 13

def command_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display the path to the file being used when invoking `brew` <cmd>.
    EOS

    named_args :command, min: 1
  end
end

.commands ⇒ Object 



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# File 'cmd/commands.rb', line 27

def commands
  args = commands_args.parse

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

  prepend_separator = false

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

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

    prepend_separator ||= true
  end
end

.commands_args ⇒ CLI::Parser

Returns:



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# File 'cmd/commands.rb', line 12

def commands_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Show lists of built-in and external commands.
    EOS
    switch "-q", "--quiet",
           description: "List only the names of commands without category headers."
    switch "--include-aliases",
           depends_on:  "--quiet",
           description: "Include aliases of internal commands."

    named_args :none
  end
end

.completions ⇒ Object 



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# File 'cmd/completions.rb', line 30

def completions
  args = completions_args.parse

  case args.named.first
  when nil, "state"
    if Completions.link_completions?
      puts "Completions are linked."
    else
      puts "Completions are not linked."
    end
  when "link"
    Completions.link!
    puts "Completions are now linked."
  when "unlink"
    Completions.unlink!
    puts "Completions are no longer linked."
  else
    raise UsageError, "unknown subcommand: #{args.named.first}"
  end
end

.completions_args ⇒ CLI::Parser

Returns:



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# File 'cmd/completions.rb', line 13

def completions_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Control whether Homebrew automatically links external tap shell completion files.
      Read more at <https://docs.brew.sh/Shell-Completion>.

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

      `brew completions` (`link`|`unlink`):
      Link or unlink Homebrew's completions.
    EOS

    named_args %w[state link unlink], max: 1
  end
end

.condense_requirements(deps, args:) ⇒ Object 



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# File 'cmd/deps.rb', line 160

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

.config ⇒ Object 



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# File 'cmd/config.rb', line 24

def config
  config_args.parse

  SystemConfig.dump_verbose_config
end

.config_args ⇒ CLI::Parser

Returns:



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# File 'cmd/config.rb', line 13

def config_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Show Homebrew and system configuration info useful for debugging. If you file
      a bug report, you will be required to provide this information.
    EOS

    named_args :none
  end
end

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



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# File 'dev-cmd/generate-man-completions.rb', line 97

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

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

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

  format_flag, format_desc = target_path_to_format(target)

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

.create ⇒ Object

Create a formula from a tarball URL.



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# File 'dev-cmd/create.rb', line 75

def create
  args = create_args.parse

  path = if args.cask?
    create_cask(args: args)
  else
    create_formula(args: args)
  end

  exec_editor path
end

.create_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/create.rb', line 17

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

    conflicts "--autotools", "--cmake", "--crystal", "--go", "--meson", "--node",
              "--perl", "--python", "--ruby", "--rust", "--cask"
    conflicts "--cask", "--HEAD"
    conflicts "--cask", "--set-license"

    named_args :url, number: 1
  end
end

.create_cask(args:) ⇒ Object

Raises:



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# File 'dev-cmd/create.rb', line 87

def create_cask(args:)
  raise UsageError, "The `--set-name` flag is required for creating casks." if args.set_name.blank?

  url = args.named.first
  name = args.set_name
  token = Cask::Utils.token_from(args.set_name)

  cask_tap = Tap.fetch(args.tap || "homebrew/cask")
  raise TapUnavailableError, args.tap unless cask_tap.installed?

  cask_path = Cask::CaskLoader.path("#{cask_tap}/#{token}")
  cask_path.dirname.mkpath unless cask_path.dirname.exist?
  raise Cask::CaskAlreadyCreatedError, token if cask_path.exist?

  version = if args.set_version
    Version.create(args.set_version)
  else
    Version.detect(url.gsub(token, "").gsub(/x86(_64)?/, ""))
  end

  interpolated_url, sha256 = if version.null?
    [url, ""]
  else
    sha256 = if args.no_fetch?
      ""
    else
      strategy = DownloadStrategyDetector.detect(url)
      downloader = strategy.new(url, token, version.to_s, cache: Cask::Cache.path)
      downloader.fetch
      downloader.cached_location.sha256
    end

    [url.gsub(version.to_s, "\#{version}"), sha256]
  end

  cask_path.atomic_write <<~RUBY
    cask "#{token}" do
      version "#{version}"
      sha256 "#{sha256}"

      url "#{interpolated_url}"
      name "#{name}"
      desc ""
      homepage ""

      app ""
    end
  RUBY

  puts "Please run `brew audit --cask --new #{token}` before submitting, thanks."
  cask_path
end

.create_formula(args:) ⇒ Object

Raises:



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# File 'dev-cmd/create.rb', line 140

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

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

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

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

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

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

  fc.generate!

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

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

.decorate_dependencies(dependencies) ⇒ Object 



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# File 'cmd/info.rb', line 349

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

.decorate_requirements(requirements) ⇒ Object 



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# File 'cmd/info.rb', line 360

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

.default_prefix?(prefix = HOMEBREW_PREFIX) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'global.rb', line 87

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

.dep_display_name(dep, args:) ⇒ Object 



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# File 'cmd/deps.rb', line 165

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

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

  str
end

.dep_display_s(dep) ⇒ Object 



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# File 'cmd/info.rb', line 368

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

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

.dependables(f, args:) ⇒ Object 



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# File 'cmd/deps.rb', line 268

def dependables(f, args:)
  includes, ignores = args_includes_ignores(args)
  deps = @use_runtime_dependencies ? f.runtime_dependencies : f.deps
  deps = reject_ignores(deps, ignores, includes)
  reqs = reject_ignores(f.requirements, ignores, includes) if args.include_requirements?
  reqs ||= []
  reqs + deps
end

.deps ⇒ Object 



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# File 'cmd/deps.rb', line 79

def deps
  args = deps_args.parse

  Formulary.enable_factory_cache!

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

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

  if args.tree? || args.graph?
    dependents = if args.named.present?
      sorted_dependents(args.named.to_formulae_and_casks)
    elsif args.installed?
      case args.only_formula_or_cask
      when :formula
        sorted_dependents(Formula.installed)
      when :cask
        sorted_dependents(Cask::Caskroom.casks)
      else
        sorted_dependents(Formula.installed + Cask::Caskroom.casks)
      end
    else
      raise FormulaUnspecifiedError
    end

    if args.graph?
      dot_code = dot_code(dependents, recursive: recursive, args: args)
      if args.dot?
        puts dot_code
      else
        exec_browser "https://dreampuf.github.io/GraphvizOnline/##{ERB::Util.url_encode(dot_code)}"
      end
      return
    end

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

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

    sorted_dependents_formulae_and_casks = case args.only_formula_or_cask
    when :formula
      sorted_dependents(Formula.installed)
    when :cask
      sorted_dependents(Cask::Caskroom.casks)
    else
      sorted_dependents(Formula.installed + Cask::Caskroom.casks)
    end
    puts_deps sorted_dependents_formulae_and_casks, recursive: recursive, args: args
    return
  end

  dependents = dependents(args.named.to_formulae_and_casks)

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

.deps_args ⇒ CLI::Parser

Returns:



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# File 'cmd/deps.rb', line 18

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

    conflicts "--tree", "--graph"
    conflicts "--installed", "--all"
    conflicts "--formula", "--cask"
    formula_options

    named_args [:formula, :cask]
  end
end

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



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# File 'cmd/deps.rb', line 190

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

  deps = d.runtime_dependencies if @use_runtime_dependencies

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

  deps + reqs.to_a
end

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



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# File 'cmd/deps.rb', line 206

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

.deps_uses_from_formulae(all_formulae) ⇒ Object 



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# File 'dev-cmd/unbottled.rb', line 123

def deps_uses_from_formulae(all_formulae)
  ohai "Populating dependency tree..."

  deps_hash = {}
  uses_hash = {}

  all_formulae.each do |f|
    deps = f.recursive_dependencies do |_, dep|
      Dependency.prune if dep.optional?
    end.map(&:to_formula)
    deps_hash[f.name] = deps

    deps.each do |dep|
      uses_hash[dep.name] ||= []
      uses_hash[dep.name] << f
    end
  end

  [deps_hash, uses_hash]
end

.desc ⇒ Object 



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# File 'cmd/desc.rb', line 44

def desc
  args = desc_args.parse

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

  if search_type.blank?
    desc = {}
    args.named.to_formulae_and_casks.each do |formula_or_cask|
      if formula_or_cask.is_a? Formula
        desc[formula_or_cask.full_name] = formula_or_cask.desc
      else
        description = formula_or_cask.desc.presence || Formatter.warning("[no description]")
        desc[formula_or_cask.full_name] = "(#{formula_or_cask.name.join(", ")}) #{description}"
      end
    end
    Descriptions.new(desc).print
  else
    query = args.named.join(" ")
    string_or_regex = query_regexp(query)
    unless args.cask?
      ohai "Formulae"
      CacheStoreDatabase.use(:descriptions) do |db|
        cache_store = DescriptionCacheStore.new(db)
        Descriptions.search(string_or_regex, search_type, cache_store).print
      end
    end
    unless args.formula?
      puts unless args.cask?
      ohai "Casks"
      CacheStoreDatabase.use(:cask_descriptions) do |db|
        cache_store = CaskDescriptionCacheStore.new(db)
        Descriptions.search(string_or_regex, search_type, cache_store).print
      end
    end
  end
end

.desc_args ⇒ CLI::Parser

Returns:



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

def desc_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Display <formula>'s name and one-line description.
      Formula descriptions are cached; the cache is created on the
      first search, making that search slower than subsequent ones.
    EOS
    switch "-s", "--search",
           description: "Search both names and descriptions for <text>. If <text> is flanked by "\
                        "slashes, it is interpreted as a regular expression."
    switch "-n", "--name",
           description: "Search just names for <text>. If <text> is flanked by slashes, it is "\
                        "interpreted as a regular expression."
    switch "-d", "--description",
           description: "Search just descriptions for <text>. If <text> is flanked by slashes, "\
                        "it is interpreted as a regular expression."
    switch "--formula", "--formulae",
           description: "Treat all named arguments as formulae."
    switch "--cask", "--casks",
           description: "Treat all named arguments as casks."

    conflicts "--search", "--name", "--description"

    named_args [:formula, :cask, :text_or_regex], min: 1
  end
end

.determine_bump_subject(old_contents, new_contents, subject_path, reason: nil) ⇒ Object 



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# File 'dev-cmd/pr-pull.rb', line 128

def determine_bump_subject(old_contents, new_contents, subject_path, reason: nil)
  subject_path = Pathname(subject_path)
  tap          = Tap.from_path(subject_path)
  subject_name = subject_path.basename.to_s.chomp(".rb")
  is_cask      = subject_path.dirname == tap.cask_dir
  name         = is_cask ? "cask" : "formula"

  new_package = get_package(tap, subject_name, subject_path, new_contents)

  return "#{subject_name}: delete #{reason}".strip if new_package.blank?

  old_package = get_package(tap, subject_name, subject_path, old_contents)

  if old_package.blank?
    "#{subject_name} #{new_package.version} (new #{name})"
  elsif old_package.version != new_package.version
    "#{subject_name} #{new_package.version}"
  elsif !is_cask && old_package.revision != new_package.revision
    "#{subject_name}: revision #{reason}".strip
  elsif is_cask && old_package.sha256 != new_package.sha256
    "#{subject_name}: checksum update #{reason}".strip
  else
    "#{subject_name}: #{reason || "rebuild"}".strip
  end
end

.determine_formula_from_url(url) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 375

def determine_formula_from_url(url)
  # Split the new URL on / and find any formulae that have the same URL
  # except for the last component, but don't try to match any more than the
  # first five components since sometimes the last component isn't the only
  # one to change.
  url_split = url.split("/")
  maximum_url_components_to_match = 5
  components_to_match = [url_split.count - 1, maximum_url_components_to_match].min
  base_url = url_split.first(components_to_match).join("/")
  base_url = /#{Regexp.escape(base_url)}/
  guesses = []
  # TODO: 3.6.0: odeprecate not specifying args.all?
  Formula.all.each do |f|
    guesses << f if f.stable&.url&.match(base_url)
  end
  return guesses.shift if guesses.count == 1
  return if guesses.count <= 1

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

.determine_mirror(url) ⇒ Object 



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# File 'dev-cmd/bump-formula-pr.rb', line 396

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

.developer ⇒ Object 



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# File 'cmd/developer.rb', line 30

def developer
  args = developer_args.parse

  env_vars = []
  env_vars << "HOMEBREW_DEVELOPER" if Homebrew::EnvConfig.developer?
  env_vars << "HOMEBREW_UPDATE_TO_TAG" if Homebrew::EnvConfig.update_to_tag?
  env_vars.map! do |var|
    "#{Tty.bold}#{var}#{Tty.reset}"
  end

  case args.named.first
  when nil, "state"
    if env_vars.any?
      puts "Developer mode is enabled because #{env_vars.to_sentence} #{"is".pluralize(env_vars.count)} set."
    elsif Homebrew::Settings.read("devcmdrun") == "true"
      puts "Developer mode is enabled."
    else
      puts "Developer mode is disabled."
    end
  when "on"
    Homebrew::Settings.write "devcmdrun", true
  when "off"
    Homebrew::Settings.delete "devcmdrun"
    puts "To fully disable developer mode, you must unset #{env_vars.to_sentence}." if env_vars.any?
  else
    raise UsageError, "unknown subcommand: #{args.named.first}"
  end
end

.developer_args ⇒ CLI::Parser

Returns:



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# File 'cmd/developer.rb', line 12

def developer_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Control Homebrew's developer mode. When developer mode is enabled,
      `brew update` will update Homebrew to the latest commit on the `master`
      branch instead of the latest stable version along with some other behaviour changes.

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

      `brew developer` (`on`|`off`):
      Turn Homebrew's developer mode on or off respectively.
    EOS

    named_args %w[state on off], max: 1
  end
end

.dispatch_build_bottle ⇒ Object 



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# File 'dev-cmd/dispatch-build-bottle.rb', line 42

def dispatch_build_bottle
  args = dispatch_build_bottle_args.parse

  tap = Tap.fetch(args.tap || CoreTap.instance.name)
  user, repo = tap.full_name.split("/")
  ref = "master"
  workflow = args.workflow || "dispatch-build-bottle.yml"

  runners = if (macos = args.macos&.compact_blank) && macos.present?
    macos.map do |element|
      # We accept runner name syntax (11-arm64) or bottle syntax (arm64_big_sur)
      os, arch = element.yield_self do |s|
        tag = Utils::Bottles::Tag.from_symbol(s.to_sym)
        [tag.to_macos_version, tag.arch]
      rescue ArgumentError, MacOSVersionError
        os, arch = s.split("-", 2)
        [MacOS::Version.new(os), arch&.to_sym]
      end

      if arch.present? && arch != :x86_64
        "#{os}-#{arch}"
      else
        os.to_s
      end
    end
  elsif args.linux?
    ["ubuntu-latest"]
  elsif args.linux_self_hosted?
    ["linux-self-hosted-1"]
  else
    raise UsageError, "Must specify --macos or --linux or --linux-self-hosted option"
  end

  args.named.to_resolved_formulae.each do |formula|
    # Required inputs
    inputs = {
      runner:  runners.join(","),
      formula: formula.name,
    }

    # Optional inputs
    # These cannot be passed as nil to GitHub API
    inputs[:timeout] = args.timeout if args.timeout
    inputs[:issue] = args.issue if args.issue
    inputs[:upload] = args.upload?.to_s if args.upload?
    inputs[:wheezy] = args.linux_wheezy?.to_s if args.linux_wheezy?

    ohai "Dispatching #{tap} bottling request of formula \"#{formula.name}\" for #{runners.join(", ")}"
    GitHub.workflow_dispatch_event(user, repo, workflow, ref, inputs)
  end
end

.dispatch_build_bottle_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/dispatch-build-bottle.rb', line 13

def dispatch_build_bottle_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Build bottles for these formulae with GitHub Actions.
    EOS
    flag   "--tap=",
           description: "Target tap repository (default: `homebrew/core`)."
    flag   "--timeout=",
           description: "Build timeout (in minutes, default: 60)."
    flag   "--issue=",
           description: "If specified, post a comment to this issue number if the job fails."
    comma_array "--macos=",
                description: "Version(s) of macOS the bottle should be built for."
    flag   "--workflow=",
           description: "Dispatch specified workflow (default: `dispatch-build-bottle.yml`)."
    switch "--upload",
           description: "Upload built bottles."
    switch "--linux",
           description: "Dispatch bottle for Linux (using GitHub runners)."
    switch "--linux-self-hosted",
           description: "Dispatch bottle for Linux (using self-hosted runner)."
    switch "--linux-wheezy",
           description: "Use Debian Wheezy container for building the bottle on Linux."

    conflicts "--macos", "--linux", "--linux-self-hosted"
    named_args :formula, min: 1
  end
end

.doctor ⇒ Object 



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# File 'cmd/doctor.rb', line 33

def doctor
  args = doctor_args.parse

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

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

  if args.list_checks?
    puts checks.all
    return
  end

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

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

    out = checks.send(method)
    next if out.blank?

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

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

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

.doctor_args ⇒ CLI::Parser

Returns:



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# File 'cmd/doctor.rb', line 14

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

    named_args :diagnostic_check
  end
end

.dot_code(dependents, recursive:, args:) ⇒ Object 



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# File 'cmd/deps.rb', line 220

def dot_code(dependents, recursive:, args:)
  dep_graph = {}
  dependents.each do |d|
    graph_deps(d, dep_graph: dep_graph, recursive: recursive, args: args)
  end

  dot_code = dep_graph.map do |d, deps|
    deps.map do |dep|
      attributes = []
      attributes << "style = dotted" if dep.build?
      attributes << "arrowhead = empty" if dep.test?
      if dep.optional?
        attributes << "color = red"
      elsif dep.recommended?
        attributes << "color = green"
      end
      comment = " # #{dep.tags.map(&:inspect).join(", ")}" if dep.tags.any?
      "  \"#{d.name}\" -> \"#{dep}\"#{" [#{attributes.join(", ")}]" if attributes.any?}#{comment}"
    end
  end.flatten.join("\n")
  "digraph {\n#{dot_code}\n}"
end

.download_artifact(url, dir, pr) ⇒ Object 



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# File 'dev-cmd/pr-pull.rb', line 355

def download_artifact(url, dir, pr)
  odie "Credentials must be set to access the Artifacts API" if GitHub::API.credentials_type == :none

  token = GitHub::API.credentials
  curl_args = ["--header", "Authorization: token #{token}"]

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

.edit ⇒ void

This method returns an undefined value.



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# File 'dev-cmd/edit.rb', line 34

def edit
  args = edit_args.parse

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

  paths = if args.named.empty?
    # Sublime requires opting into the project editing path,
    # as opposed to VS Code which will infer from the .vscode path
    if which_editor == "subl"
      ["--project", "#{HOMEBREW_REPOSITORY}/.sublime/homebrew.sublime-project"]
    else
      # If no formulae are listed, open the project root in an editor.
      [HOMEBREW_REPOSITORY]
    end
  else
    args.named.to_paths.select do |path|
      next path if path.exist?

      message = if args.cask?
        <<~EOS
          #{path.basename(".rb")} doesn't exist on disk. \
          Run #{Formatter.identifier("brew create --cask --set-name #{path.basename(".rb")} $URL")} \
          to create a new cask!
        EOS
      else
        <<~EOS
          #{path} doesn't exist on disk. \
          Run #{Formatter.identifier("brew create --formula --set-name #{path.basename} $URL")} \
          to create a new formula!
        EOS
      end
      raise UsageError, message
    end.presence
  end

  if args.print_path?
    paths.each(&method(:puts))
    return
  end

  exec_editor(*paths)
end

.edit_args ⇒ CLI::Parser

Returns:



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# File 'dev-cmd/edit.rb', line 13

def edit_args
  Homebrew::CLI::Parser.new do
    description <<~EOS
      Open a <formula> or <cask> in the editor set by `EDITOR` or `HOMEBREW_EDITOR`,
      or open the Homebrew repository for editing if no formula is provided.
    EOS

    switch "--formula", "--formulae",
           description: "Treat all named arguments as formulae."
    switch "--cask", "--casks",
           description: "Treat all named arguments as casks."
    switch "--print-path",
           description: "Print the file path to be edited, without opening an editor."

    conflicts "--formula", "--cask"

    named_args [:formula, :cask]
  end
end

.ensure_relocation_formulae_installed! ⇒ Object 



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# File 'dev-cmd/bottle.rb', line 109

def ensure_relocation_formulae_installed!
  Keg.relocation_formulae.each do |f|
    ensure_formula_installed!(f, latest: true)
  end
end

.env_vars_manpage ⇒ String

Returns:



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# File 'dev-cmd/generate-man-completions.rb', line 232

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

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

.extract ⇒ Object 



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# File 'dev-cmd/extract.rb', line 90

def extract
  args = extract_args.parse

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

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

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

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

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

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

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

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

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

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

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

  # Remove bottle blocks, they won't work.