Class: FormulaInstaller Private

Inherits:
Object show all
Extended by:
Predicable
Includes:
FormulaCellarChecks
Defined in:
extend/os/mac/formula_installer.rb,
extend/os/linux/formula_installer.rb,
formula_installer.rb

Overview

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

Installer for a formula.

Constant Summary

Constants included from FormulaCellarChecks

FormulaCellarChecks::VALID_LIBRARY_EXTENSIONS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Predicable

attr_predicate

Methods included from FormulaCellarChecks

#check_binary_arches, #check_cpuid_instruction, #check_easy_install_pth, #check_elisp_dirname, #check_elisp_root, #check_env_path, #check_flat_namespace, #check_generic_executables, #check_infopages, #check_jars, #check_linkage, #check_manpages, #check_non_executables, #check_non_libraries, #check_openssl_links, #check_plist, #check_python_framework_links, #check_python_packages, #check_python_symlinks, #check_service_command, #check_shadowed_headers, #check_shim_references, #valid_library_extension?

Constructor Details

#initialize(formula, link_keg: false, installed_as_dependency: false, installed_on_request: true, show_header: false, build_bottle: false, skip_post_install: false, force_bottle: false, bottle_arch: nil, ignore_deps: false, only_deps: false, include_test_formulae: [], build_from_source_formulae: [], env: nil, git: false, interactive: false, keep_tmp: false, debug_symbols: false, cc: nil, options: Options.new, force: false, overwrite: false, debug: false, quiet: false, verbose: false) ⇒ FormulaInstaller

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns a new instance of FormulaInstaller.



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# File 'formula_installer.rb', line 44

def initialize(
  formula,
  link_keg: false,
  installed_as_dependency: false,
  installed_on_request: true,
  show_header: false,
  build_bottle: false,
  skip_post_install: false,
  force_bottle: false,
  bottle_arch: nil,
  ignore_deps: false,
  only_deps: false,
  include_test_formulae: [],
  build_from_source_formulae: [],
  env: nil,
  git: false,
  interactive: false,
  keep_tmp: false,
  debug_symbols: false,
  cc: nil,
  options: Options.new,
  force: false,
  overwrite: false,
  debug: false,
  quiet: false,
  verbose: false
)
  @formula = formula
  @env = env
  @force = force
  @overwrite = overwrite
  @keep_tmp = keep_tmp
  @debug_symbols = debug_symbols
  @link_keg = !formula.keg_only? || link_keg
  @show_header = show_header
  @ignore_deps = ignore_deps
  @only_deps = only_deps
  @build_from_source_formulae = build_from_source_formulae
  @build_bottle = build_bottle
  @skip_post_install = skip_post_install
  @bottle_arch = bottle_arch
  @formula.force_bottle ||= force_bottle
  @force_bottle = @formula.force_bottle
  @include_test_formulae = include_test_formulae
  @interactive = interactive
  @git = git
  @cc = cc
  @verbose = verbose
  @quiet = quiet
  @debug = debug
  @installed_as_dependency = installed_as_dependency
  @installed_on_request = installed_on_request
  @options = options
  @requirement_messages = []
  @poured_bottle = false
  @start_time = nil
  @bottle_tab_runtime_dependencies = {}.freeze

  # Take the original formula instance, which might have been swapped from an API instance to a source instance
  @formula = previously_fetched_formula if previously_fetched_formula
end

Instance Attribute Details

#bottle_tab_runtime_dependencies ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 34

def bottle_tab_runtime_dependencies
  @bottle_tab_runtime_dependencies
end

#formula ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 33

def formula
  @formula
end

#link_keg ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 36

def link_keg
  @link_keg
end

#options ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 36

def options
  @options
end

Class Method Details

.attempted ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 106

def self.attempted
  @attempted ||= Set.new
end

.clear_attempted ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 111

def self.clear_attempted
  @attempted = Set.new
end

.clear_fetched ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 129

def self.clear_fetched
  @fetched = Set.new
end

.clear_installed ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 120

def self.clear_installed
  @installed = Set.new
end

.fetched ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 124

def self.fetched
  @fetched ||= Set.new
end

.installed ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 115

def self.installed
  @installed ||= Set.new
end

.locked ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 1319

def self.locked
  @locked ||= []
end

Instance Method Details

#audit_installed ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 1311

def audit_installed
  unless formula.keg_only?
    problem_if_output(check_env_path(formula.bin))
    problem_if_output(check_env_path(formula.sbin))
  end
  super
end

#build ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 913

def build
  FileUtils.rm_rf(formula.logs)

  @start_time = Time.now

  # 1. formulae can modify ENV, so we must ensure that each
  #    installation has a pristine ENV when it starts, forking now is
  #    the easiest way to do this
  args = [
    "nice",
    *HOMEBREW_RUBY_EXEC_ARGS,
    "--",
    HOMEBREW_LIBRARY_PATH/"build.rb",
    formula.specified_path,
  ].concat(build_argv)

  Utils.safe_fork do
    if Sandbox.available?
      sandbox = Sandbox.new
      formula.logs.mkpath
      sandbox.record_log(formula.logs/"build.sandbox.log")
      sandbox.allow_write_path(Dir.home) if interactive?
      sandbox.allow_write_temp_and_cache
      sandbox.allow_write_log(formula)
      sandbox.allow_cvs
      sandbox.allow_fossil
      sandbox.allow_write_xcode
      sandbox.allow_write_cellar(formula)
      sandbox.exec(*args)
    else
      exec(*args)
    end
  end

  formula.update_head_version

  raise "Empty installation" if !formula.prefix.directory? || Keg.new(formula.prefix).empty_installation?
rescue Exception => e # rubocop:disable Lint/RescueException
  if e.is_a? BuildError
    e.formula = formula
    e.options = display_options(formula)
  end

  ignore_interrupts do
    # any exceptions must leave us with nothing installed
    formula.update_head_version
    formula.prefix.rmtree if formula.prefix.directory?
    formula.rack.rmdir_if_possible
  end
  raise e
end

#build_argv ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'formula_installer.rb', line 908

def build_argv
  sanitized_argv_options + options.as_flags
end

#build_bottle? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 144

def build_bottle?
  @build_bottle.present?
end

#build_bottle_postinstall ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 378

def build_bottle_postinstall
  @etc_var_postinstall = Find.find(*@etc_var_dirs.select(&:directory?)).to_a
  (@etc_var_postinstall - @etc_var_preinstall).each do |file|
    Pathname.new(file).cp_path_sub(HOMEBREW_PREFIX, formula.bottle_prefix)
  end
end

#build_bottle_preinstall ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 373

def build_bottle_preinstall
  @etc_var_dirs ||= [HOMEBREW_PREFIX/"etc", HOMEBREW_PREFIX/"var"]
  @etc_var_preinstall = Find.find(*@etc_var_dirs.select(&:directory?)).to_a
end

#build_from_source? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 134

def build_from_source?
  @build_from_source_formulae.include?(formula.full_name)
end

#build_time ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 870

def build_time
  @build_time ||= Time.now - @start_time if @start_time && !interactive?
end

#caveats ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 774

def caveats
  return if only_deps?

  audit_installed if Homebrew::EnvConfig.developer?

  return if !installed_on_request? || installed_as_dependency?

  caveats = Caveats.new(formula)

  return if caveats.empty?

  @show_summary_heading = true
  ohai "Caveats", caveats.to_s
  Homebrew.messages.record_caveats(formula.name, caveats)
end

#check_conflicts ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Raises:



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# File 'formula_installer.rb', line 490

def check_conflicts
  return if force?

  conflicts = formula.conflicts.select do |c|
    f = Formulary.factory(c.name)
  rescue TapFormulaUnavailableError
    # If the formula name is a fully-qualified name let's silently
    # ignore it as we don't care about things used in taps that aren't
    # currently tapped.
    false
  rescue FormulaUnavailableError => e
    # If the formula name doesn't exist any more then complain but don't
    # stop installation from continuing.
    opoo <<~EOS
      #{formula}: #{e.message}
      'conflicts_with "#{c.name}"' should be removed from #{formula.path.basename}.
    EOS

    raise if Homebrew::EnvConfig.developer?

    $stderr.puts "Please report this issue to the #{formula.tap} tap (not Homebrew/brew or Homebrew/homebrew-core)!"
    false
  else
    f.linked_keg.exist? && f.opt_prefix.exist?
  end

  raise FormulaConflictError.new(formula, conflicts) unless conflicts.empty?
end

#check_install_sanity ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Raises:



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# File 'formula_installer.rb', line 250

def check_install_sanity
  check_installation_already_attempted

  if force_bottle? && !pour_bottle?
    raise CannotInstallFormulaError, "--force-bottle passed but #{formula.full_name} has no bottle!"
  end

  if Homebrew.default_prefix? &&
     !build_from_source? && !build_bottle? && !formula.head? && formula.tap&.core_tap? &&
     # Integration tests override homebrew-core locations
     ENV["HOMEBREW_INTEGRATION_TEST"].nil? &&
     !pour_bottle?
    message = if !formula.pour_bottle? && formula.pour_bottle_check_unsatisfied_reason
      formula_message = formula.pour_bottle_check_unsatisfied_reason
      formula_message[0] = formula_message[0].downcase

      <<~EOS
        #{formula}: #{formula_message}
      EOS
    # don't want to complain about no bottle available if doing an
    # upgrade/reinstall/dependency install (but do in the case the bottle
    # check fails)
    elsif fresh_install?(formula)
      <<~EOS
        #{formula}: no bottle available!
      EOS
    end

    if message
      message += <<~EOS
        If you're feeling brave, you can try to install from source with:
          brew install --build-from-source #{formula}

        It is expected behaviour that most formulae will fail to build from source.
        It is expected behaviour that Homebrew will be buggy and slow when building from source.
        Do not create any issues about failures building from source on Homebrew's GitHub repositories.
        Do not create any issues building from source even if you think this message is unrelated.
        Any opened issues will be immediately closed without response.
        Do not ask for help from Homebrew or its maintainers on social media.
        You may ask for help building from source in Homebrew's discussions but are unlikely to receive a response.
        If building from source fails, try to figure out the problem yourself and submit a fix as a pull request.
        We will review it but may or may not accept it.
      EOS
      raise CannotInstallFormulaError, message
    end
  end

  return if ignore_deps?

  if Homebrew::EnvConfig.developer?
    # `recursive_dependencies` trims cyclic dependencies, so we do one level and take the recursive deps of that.
    # Mapping direct dependencies to deeper dependencies in a hash is also useful for the cyclic output below.
    recursive_dep_map = formula.deps.to_h { |dep| [dep, dep.to_formula.recursive_dependencies] }

    cyclic_dependencies = []
    recursive_dep_map.each do |dep, recursive_deps|
      if [formula.name, formula.full_name].include?(dep.name)
        cyclic_dependencies << "#{formula.full_name} depends on itself directly"
      elsif recursive_deps.any? { |rdep| [formula.name, formula.full_name].include?(rdep.name) }
        cyclic_dependencies << "#{formula.full_name} depends on itself via #{dep.name}"
      end
    end

    if cyclic_dependencies.present?
      raise CannotInstallFormulaError, <<~EOS
        #{formula.full_name} contains a recursive dependency on itself:
          #{cyclic_dependencies.join("\n  ")}
      EOS
    end

    # Merge into one list
    recursive_deps = recursive_dep_map.flat_map { |dep, rdeps| [dep] + rdeps }
    Dependency.merge_repeats(recursive_deps)
  else
    recursive_deps = formula.recursive_dependencies
  end

  invalid_arch_dependencies = []
  pinned_unsatisfied_deps = []
  recursive_deps.each do |dep|
    if (tab = Tab.for_formula(dep.to_formula)) && tab.arch.present? && tab.arch.to_s != Hardware::CPU.arch.to_s
      invalid_arch_dependencies << "#{dep} was built for #{tab.arch}"
    end

    next unless dep.to_formula.pinned?
    next if dep.satisfied?(inherited_options_for(dep))
    next if dep.build? && pour_bottle?

    pinned_unsatisfied_deps << dep
  end

  if invalid_arch_dependencies.present?
    raise CannotInstallFormulaError, <<~EOS
      #{formula.full_name} dependencies not built for the #{Hardware::CPU.arch} CPU architecture:
        #{invalid_arch_dependencies.join("\n  ")}
    EOS
  end

  return if pinned_unsatisfied_deps.empty?

  raise CannotInstallFormulaError,
        "You must `brew unpin #{pinned_unsatisfied_deps * " "}` as installing " \
        "#{formula.full_name} requires the latest version of pinned dependencies"
end

#check_installation_already_attempted ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Raises:



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# File 'formula_installer.rb', line 246

def check_installation_already_attempted
  raise FormulaInstallationAlreadyAttemptedError, formula if self.class.attempted.include?(formula)
end

#check_requirements(req_map) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Raises:



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# File 'formula_installer.rb', line 545

def check_requirements(req_map)
  @requirement_messages = []
  fatals = []

  req_map.each_pair do |dependent, reqs|
    reqs.each do |req|
      next if dependent.latest_version_installed? && req.name == "macos" && req.comparator == "<="

      @requirement_messages << "#{dependent}: #{req.message}"
      fatals << req if req.fatal?
    end
  end

  return if fatals.empty?

  puts_requirement_messages
  raise UnsatisfiedRequirements, fatals
end

#clean ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1102

def clean
  ohai "Cleaning" if verbose?
  Cleaner.new(formula).clean
rescue Exception => e # rubocop:disable Lint/RescueException
  opoo "The cleaning step did not complete successfully"
  puts "Still, the installation was successful, so we will link it into your prefix."
  odebug e, Utils::Backtrace.clean(e)
  Homebrew.failed = true
  @show_summary_heading = true
end

#compute_and_install_dependencies ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 540

def compute_and_install_dependencies
  deps = compute_dependencies
  install_dependencies(deps)
end

#compute_dependencies(use_cache: true) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Compute and collect the dependencies needed by the formula currently being installed.



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# File 'formula_installer.rb', line 521

def compute_dependencies(use_cache: true)
  @compute_dependencies = nil unless use_cache
  @compute_dependencies ||= begin
    # Needs to be done before expand_dependencies
    fetch_bottle_tab if pour_bottle?

    check_requirements(expand_requirements)
    expand_dependencies
  end
end

#display_options(formula) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 648

def display_options(formula)
  options = if formula.head?
    ["--HEAD"]
  else
    []
  end
  options += effective_build_options_for(formula).used_options.to_a
  options
end

#downloader ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 1249

def downloader
  if (bottle_path = formula.local_bottle_path)
    LocalBottleDownloadStrategy.new(bottle_path)
  elsif pour_bottle?
    formula.bottle
  else
    formula
  end
end

#effective_build_options_for(dependent, inherited_options = []) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 640

def effective_build_options_for(dependent, inherited_options = [])
  args  = dependent.build.used_options
  args |= (dependent == formula) ? options : inherited_options
  args |= Tab.for_formula(dependent).used_options
  args &= dependent.options
  BuildOptions.new(args, dependent.options)
end

#expand_dependencies ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 632

def expand_dependencies
  inherited_options = Hash.new { |hash, key| hash[key] = Options.new }

  expanded_deps = expand_dependencies_for_formula(formula, inherited_options)

  expanded_deps.map { |dep| [dep, inherited_options[dep.name]] }
end

#expand_dependencies_for_formula(formula, inherited_options) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 604

def expand_dependencies_for_formula(formula, inherited_options)
  # Cache for this expansion only. FormulaInstaller has a lot of inputs which can alter expansion.
  cache_key = "FormulaInstaller-#{formula.full_name}-#{Time.now.to_f}"
  Dependency.expand(formula, cache_key: cache_key) do |dependent, dep|
    inherited_options[dep.name] |= inherited_options_for(dep)
    build = effective_build_options_for(
      dependent,
      inherited_options.fetch(dependent.name, []),
    )

    keep_build_test = false
    keep_build_test ||= dep.test? && include_test? && @include_test_formulae.include?(dependent.full_name)
    keep_build_test ||= dep.build? && !install_bottle_for?(dependent, build) &&
                        (formula.head? || !dependent.latest_version_installed?)

    bottle_runtime_version = @bottle_tab_runtime_dependencies.dig(dep.name, "version").presence
    bottle_runtime_version = Version.new(bottle_runtime_version) if bottle_runtime_version
    bottle_runtime_revision = @bottle_tab_runtime_dependencies.dig(dep.name, "revision")

    if dep.prune_from_option?(build) || ((dep.build? || dep.test?) && !keep_build_test)
      Dependency.prune
    elsif dep.satisfied?(inherited_options[dep.name], minimum_version:  bottle_runtime_version,
                                                      minimum_revision: bottle_runtime_revision)
      Dependency.skip
    end
  end
end

#expand_requirements ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 572

def expand_requirements
  unsatisfied_reqs = Hash.new { |h, k| h[k] = [] }
  formulae = [formula]
  formula_deps_map = formula.recursive_dependencies
                            .index_by(&:name)

  while (f = formulae.pop)
    runtime_requirements = runtime_requirements(f)
    f.recursive_requirements do |dependent, req|
      build = effective_build_options_for(dependent)
      install_bottle_for_dependent = install_bottle_for?(dependent, build)

      keep_build_test = false
      keep_build_test ||= runtime_requirements.include?(req)
      keep_build_test ||= req.test? && include_test? && dependent == f
      keep_build_test ||= req.build? && !install_bottle_for_dependent && !dependent.latest_version_installed?

      if req.prune_from_option?(build) ||
         req.satisfied?(env: @env, cc: @cc, build_bottle: @build_bottle, bottle_arch: @bottle_arch) ||
         ((req.build? || req.test?) && !keep_build_test) ||
         formula_deps_map[dependent.name]&.build? ||
         (only_deps? && f == dependent)
        Requirement.prune
      else
        unsatisfied_reqs[dependent] << req
      end
    end
  end

  unsatisfied_reqs
end

#fetch ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1227

def fetch
  return if previously_fetched_formula

  fetch_dependencies

  return if only_deps?

  oh1 "Fetching #{Formatter.identifier(formula.full_name)}".strip

  if pour_bottle?(output_warning: true)
    fetch_bottle_tab
  else
    @formula = Homebrew::API::Formula.source_download(formula) if formula.loaded_from_api?

    formula.fetch_patches
    formula.resources.each(&:fetch)
  end
  downloader.fetch

  self.class.fetched << formula
end

#fetch_bottle_tab ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1213

def fetch_bottle_tab
  @fetch_bottle_tab ||= begin
    formula.fetch_bottle_tab
    @bottle_tab_runtime_dependencies = formula.bottle_tab_attributes
                                              .fetch("runtime_dependencies", [])
                                              .index_by { |dep| dep["full_name"] }
                                              .freeze
    true
  rescue DownloadError, ArgumentError
    @fetch_bottle_tab = true
  end
end

#fetch_dependencies ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1183

def fetch_dependencies
  return if ignore_deps?

  # Don't output dependencies if we're explicitly installing them.
  deps = compute_dependencies.reject do |dep, _options|
    self.class.fetched.include?(dep.to_formula)
  end

  return if deps.empty?

  oh1 "Fetching dependencies for #{formula.full_name}: " \
      "#{deps.map(&:first).map(&Formatter.method(:identifier)).to_sentence}",
      truncate: false

  deps.each { |dep, _options| fetch_dependency(dep) }
end

#fetch_dependency(dep) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 683

def fetch_dependency(dep)
  df = dep.to_formula
  fi = FormulaInstaller.new(
    df,
    force_bottle:               false,
    # When fetching we don't need to recurse the dependency tree as it's already
    # been done for us in `compute_dependencies` and there's no requirement to
    # fetch in a particular order.
    # Note, this tree can vary when pouring bottles so we need to check it then.
    ignore_deps:                !pour_bottle?,
    installed_as_dependency:    true,
    include_test_formulae:      @include_test_formulae,
    build_from_source_formulae: @build_from_source_formulae,
    keep_tmp:                   keep_tmp?,
    debug_symbols:              debug_symbols?,
    force:                      force?,
    debug:                      debug?,
    quiet:                      quiet?,
    verbose:                    verbose?,
  )
  fi.prelude
  fi.fetch
end

#finish ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 791

def finish
  return if only_deps?

  ohai "Finishing up" if verbose?

  keg = Keg.new(formula.prefix)
  link(keg)

  install_service

  fix_dynamic_linkage(keg) if !@poured_bottle || !formula.bottle_specification.skip_relocation?

  Homebrew::Install.global_post_install

  if build_bottle? || skip_post_install?
    if build_bottle?
      ohai "Not running 'post_install' as we're building a bottle"
    elsif skip_post_install?
      ohai "Skipping 'post_install' on request"
    end
    puts "You can run it manually using:"
    puts "  brew postinstall #{formula.full_name}"
  else
    formula.install_etc_var
    post_install if formula.post_install_defined?
  end

  keg.prepare_debug_symbols if debug_symbols?

  # Updates the cache for a particular formula after doing an install
  CacheStoreDatabase.use(:linkage) do |db|
    break unless db.created?

    LinkageChecker.new(keg, formula, cache_db: db, rebuild_cache: true)
  end

  # Update tab with actual runtime dependencies
  tab = Tab.for_keg(keg)
  Tab.clear_cache
  f_runtime_deps = formula.runtime_dependencies(read_from_tab: false)
  tab.runtime_dependencies = Tab.runtime_deps_hash(formula, f_runtime_deps)
  tab.write

  # let's reset Utils::Git.available? if we just installed git
  Utils::Git.clear_available_cache if formula.name == "git"

  # use installed ca-certificates when it's needed and available
  if formula.name == "ca-certificates" &&
     !DevelopmentTools.ca_file_handles_most_https_certificates?
    ENV["SSL_CERT_FILE"] = ENV["GIT_SSL_CAINFO"] = formula.pkgetc/"cert.pem"
    ENV["GIT_SSL_CAPATH"] = formula.pkgetc
  end

  # use installed curl when it's needed and available
  if formula.name == "curl" &&
     !DevelopmentTools.curl_handles_most_https_certificates?
    ENV["HOMEBREW_CURL"] = formula.opt_bin/"curl"
    Utils::Curl.clear_path_cache
  end

  caveats

  ohai "Summary" if verbose? || show_summary_heading?
  puts summary

  self.class.installed << formula
ensure
  unlock
end

#fix_dynamic_linkage(keg) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 1091

def fix_dynamic_linkage(keg)
  keg.fix_dynamic_linkage
rescue Exception => e # rubocop:disable Lint/RescueException
  ofail "Failed to fix install linkage"
  puts "The formula built, but you may encounter issues using it or linking other"
  puts "formulae against it."
  odebug e, Utils::Backtrace.clean(e)
  @show_summary_heading = true
end

#fresh_install?(formula) ⇒ Boolean?

Parameters:

Returns:

  • (Boolean, nil) 


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# File 'extend/os/mac/formula_installer.rb', line 8

def fresh_install?(formula)
  !Homebrew::EnvConfig.developer? && !OS::Mac.version.outdated_release? &&
    (!installed_as_dependency? || !formula.any_version_installed?)
end

#include_test? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 139

def include_test?
  @include_test_formulae.include?(formula.full_name)
end

#inherited_options_for(dep) ⇒ Options

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'formula_installer.rb', line 659

def inherited_options_for(dep)
  inherited_options = Options.new
  u = Option.new("universal")
  if (options.include?(u) || formula.require_universal_deps?) && !dep.build? && dep.to_formula.option_defined?(u)
    inherited_options << u
  end
  inherited_options
end

#install ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Raises:



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# File 'formula_installer.rb', line 386

def install
  lock

  start_time = Time.now
  Homebrew::Install.perform_build_from_source_checks if !pour_bottle? && DevelopmentTools.installed?

  # Warn if a more recent version of this formula is available in the tap.
  begin
    if formula.pkg_version < (v = Formulary.factory(formula.full_name, force_bottle: force_bottle?).pkg_version)
      opoo "#{formula.full_name} #{v} is available and more recent than version #{formula.pkg_version}."
    end
  rescue FormulaUnavailableError
    nil
  end

  check_conflicts

  raise UnbottledError, [formula] if !pour_bottle? && !DevelopmentTools.installed?

  unless ignore_deps?
    deps = compute_dependencies(use_cache: false)
    if ((pour_bottle? && !DevelopmentTools.installed?) || build_bottle?) &&
       (unbottled = unbottled_dependencies(deps)).presence
      # Check that each dependency in deps has a bottle available, terminating
      # abnormally with a UnbottledError if one or more don't.
      raise UnbottledError, unbottled
    end

    install_dependencies(deps)
  end

  return if only_deps?

  formula.deprecated_flags.each do |deprecated_option|
    old_flag = deprecated_option.old_flag
    new_flag = deprecated_option.current_flag
    opoo "#{formula.full_name}: #{old_flag} was deprecated; using #{new_flag} instead!"
  end

  options = display_options(formula).join(" ")
  oh1 "Installing #{Formatter.identifier(formula.full_name)} #{options}".strip if show_header?

  if (tap = formula.tap) && tap.should_report_analytics?
    Utils::Analytics.report_event(:formula_install, package_name: formula.name, tap_name: tap.name,
on_request: installed_on_request?, options: options)
  end

  self.class.attempted << formula

  if pour_bottle?
    begin
      pour
    rescue Exception # rubocop:disable Lint/RescueException
      # any exceptions must leave us with nothing installed
      ignore_interrupts do
        begin
          formula.prefix.rmtree if formula.prefix.directory?
        rescue Errno::EACCES, Errno::ENOTEMPTY
          odie <<~EOS
            Could not remove #{formula.prefix.basename} keg! Do so manually:
              sudo rm -rf #{formula.prefix}
          EOS
        end
        formula.rack.rmdir_if_possible
      end
      raise
    else
      @poured_bottle = true
    end
  end

  puts_requirement_messages

  build_bottle_preinstall if build_bottle?

  unless @poured_bottle
    build
    clean

    # Store the formula used to build the keg in the keg.
    formula_contents = if formula.local_bottle_path
      Utils::Bottles.formula_contents formula.local_bottle_path, name: formula.name
    else
      formula.path.read
    end
    s = formula_contents.gsub(/  bottle do.+?end\n\n?/m, "")
    brew_prefix = formula.prefix/".brew"
    brew_prefix.mkpath
    Pathname(brew_prefix/"#{formula.name}.rb").atomic_write(s)

    keg = Keg.new(formula.prefix)
    tab = Tab.for_keg(keg)
    tab.installed_as_dependency = installed_as_dependency?
    tab.installed_on_request = installed_on_request?
    tab.write
  end

  build_bottle_postinstall if build_bottle?

  opoo "Nothing was installed to #{formula.prefix}" unless formula.latest_version_installed?
  end_time = Time.now
  Homebrew.messages.package_installed(formula.name, end_time - start_time)
end

#install_bottle_for?(dep, build) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 192

def install_bottle_for?(dep, build)
  return pour_bottle? if dep == formula

  @build_from_source_formulae.exclude?(dep.full_name) &&
    dep.bottle.present? &&
    dep.pour_bottle? &&
    build.used_options.empty? &&
    dep.bottle&.compatible_locations?
end

#install_dependencies(deps) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 669

def install_dependencies(deps)
  if deps.empty? && only_deps?
    puts "All dependencies for #{formula.full_name} are satisfied."
  elsif !deps.empty?
    oh1 "Installing dependencies for #{formula.full_name}: " \
        "#{deps.map(&:first).map(&Formatter.method(:identifier)).to_sentence}",
        truncate: false
    deps.each { |dep, options| install_dependency(dep, options) }
  end

  @show_header = true unless deps.empty?
end

#install_dependency(dep, inherited_options) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 708

def install_dependency(dep, inherited_options)
  df = dep.to_formula

  if df.linked_keg.directory?
    linked_keg = Keg.new(df.linked_keg.resolved_path)
    tab = Tab.for_keg(linked_keg)
    keg_had_linked_keg = true
    keg_was_linked = linked_keg.linked?
    linked_keg.unlink
  end

  if df.latest_version_installed?
    installed_keg = Keg.new(df.prefix)
    tab ||= Tab.for_keg(installed_keg)
    tmp_keg = Pathname.new("#{installed_keg}.tmp")
    installed_keg.rename(tmp_keg)
  end

  if df.tap.present? && tab.present? && (tab_tap = tab.source["tap"].presence) &&
     df.tap.to_s != tab_tap.to_s
    odie <<~EOS
      #{df} is already installed from #{tab_tap}!
      Please `brew uninstall #{df}` first."
    EOS
  end

  options = Options.new
  options |= tab.used_options if tab.present?
  options |= Tab.remap_deprecated_options(df.deprecated_options, dep.options)
  options |= inherited_options
  options &= df.options

  fi = FormulaInstaller.new(
    df,
    options:                    options,
    link_keg:                   keg_had_linked_keg ? keg_was_linked : nil,
    installed_as_dependency:    true,
    installed_on_request:       df.any_version_installed? && tab.present? && tab.installed_on_request,
    force_bottle:               false,
    include_test_formulae:      @include_test_formulae,
    build_from_source_formulae: @build_from_source_formulae,
    keep_tmp:                   keep_tmp?,
    debug_symbols:              debug_symbols?,
    force:                      force?,
    debug:                      debug?,
    quiet:                      quiet?,
    verbose:                    verbose?,
  )
  oh1 "Installing #{formula.full_name} dependency: #{Formatter.identifier(dep.name)}"
  fi.install
  fi.finish
rescue Exception => e # rubocop:disable Lint/RescueException
  ignore_interrupts do
    tmp_keg.rename(installed_keg.to_path) if tmp_keg && !installed_keg.directory?
    linked_keg.link(verbose: verbose?) if keg_was_linked
  end
  raise unless e.is_a? FormulaInstallationAlreadyAttemptedError

  # We already attempted to install f as part of another formula's
  # dependency tree. In that case, don't generate an error, just move on.
  nil
else
  ignore_interrupts { tmp_keg.rmtree if tmp_keg&.directory? }
end

#install_fetch_deps ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 361

def install_fetch_deps
  return if @compute_dependencies.blank?

  compute_dependencies(use_cache: false) if @compute_dependencies.any? do |dep, options|
    next false unless dep.implicit?

    fetch_dependencies
    install_dependency(dep, options)
    true
  end
end

#install_service ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1053

def install_service
  if formula.service? && formula.plist
    ofail "Formula specified both service and plist"
    return
  end

  if formula.service? && formula.service.command?
    service_path = formula.systemd_service_path
    service_path.atomic_write(formula.service.to_systemd_unit)
    service_path.chmod 0644

    if formula.service.timed?
      timer_path = formula.systemd_timer_path
      timer_path.atomic_write(formula.service.to_systemd_timer)
      timer_path.chmod 0644
    end
  end

  service = if formula.service? && formula.service.command?
    formula.service.to_plist
  elsif formula.plist
    formula.plist
  end

  return unless service

  launchd_service_path = formula.launchd_service_path
  launchd_service_path.atomic_write(service)
  launchd_service_path.chmod 0644
  log = formula.var/"log"
  log.mkpath if service.include? log.to_s
rescue Exception => e # rubocop:disable Lint/RescueException
  puts e
  ofail "Failed to install service files"
  odebug e, Utils::Backtrace.clean(e)
end

#link(keg) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 966

def link(keg)
  Formula.clear_cache

  unless link_keg
    begin
      keg.optlink(verbose: verbose?, overwrite: overwrite?)
    rescue Keg::LinkError => e
      ofail "Failed to create #{formula.opt_prefix}"
      puts "Things that depend on #{formula.full_name} will probably not build."
      puts e
    end
    return
  end

  cask_installed_with_formula_name = begin
    Cask::CaskLoader.load(formula.name).installed?
  rescue Cask::CaskUnavailableError, Cask::CaskInvalidError
    false
  end

  if cask_installed_with_formula_name
    ohai "#{formula.name} cask is installed, skipping link."
    return
  end

  if keg.linked?
    opoo "This keg was marked linked already, continuing anyway"
    keg.remove_linked_keg_record
  end

  Homebrew::Unlink.unlink_versioned_formulae(formula, verbose: verbose?)

  link_overwrite_backup = {} # Hash: conflict file -> backup file
  backup_dir = HOMEBREW_CACHE/"Backup"

  begin
    keg.link(verbose: verbose?, overwrite: overwrite?)
  rescue Keg::ConflictError => e
    conflict_file = e.dst
    if formula.link_overwrite?(conflict_file) && !link_overwrite_backup.key?(conflict_file)
      backup_file = backup_dir/conflict_file.relative_path_from(HOMEBREW_PREFIX).to_s
      backup_file.parent.mkpath
      FileUtils.mv conflict_file, backup_file
      link_overwrite_backup[conflict_file] = backup_file
      retry
    end
    ofail "The `brew link` step did not complete successfully"
    puts "The formula built, but is not symlinked into #{HOMEBREW_PREFIX}"
    puts e
    puts
    puts "Possible conflicting files are:"
    keg.link(dry_run: true, overwrite: true, verbose: verbose?)
    @show_summary_heading = true
  rescue Keg::LinkError => e
    ofail "The `brew link` step did not complete successfully"
    puts "The formula built, but is not symlinked into #{HOMEBREW_PREFIX}"
    puts e
    puts
    puts "You can try again using:"
    puts "  brew link #{formula.name}"
    @show_summary_heading = true
  rescue Exception => e # rubocop:disable Lint/RescueException
    ofail "An unexpected error occurred during the `brew link` step"
    puts "The formula built, but is not symlinked into #{HOMEBREW_PREFIX}"
    puts e
    puts Utils::Backtrace.clean(e) if debug?
    @show_summary_heading = true
    ignore_interrupts do
      keg.unlink
      link_overwrite_backup.each do |origin, backup|
        origin.parent.mkpath
        FileUtils.mv backup, origin
      end
    end
    raise
  end

  return if link_overwrite_backup.empty?

  opoo "These files were overwritten during the `brew link` step:"
  puts link_overwrite_backup.keys
  puts
  puts "They have been backed up to: #{backup_dir}"
  @show_summary_heading = true
end

#post_install ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1144

def post_install
  args = [
    "nice",
    *HOMEBREW_RUBY_EXEC_ARGS,
    "-I", $LOAD_PATH.join(File::PATH_SEPARATOR),
    "--",
    HOMEBREW_LIBRARY_PATH/"postinstall.rb"
  ]

  args << post_install_formula_path

  Utils.safe_fork do
    if Sandbox.available?
      sandbox = Sandbox.new
      formula.logs.mkpath
      sandbox.record_log(formula.logs/"postinstall.sandbox.log")
      sandbox.allow_write_temp_and_cache
      sandbox.allow_write_log(formula)
      sandbox.allow_write_xcode
      sandbox.deny_write_homebrew_repository
      sandbox.allow_write_cellar(formula)
      Keg::KEG_LINK_DIRECTORIES.each do |dir|
        sandbox.allow_write_path "#{HOMEBREW_PREFIX}/#{dir}"
      end
      sandbox.exec(*args)
    else
      exec(*args)
    end
  end
rescue Exception => e # rubocop:disable Lint/RescueException
  opoo "The post-install step did not complete successfully"
  puts "You can try again using:"
  puts "  brew postinstall #{formula.full_name}"
  odebug e, Utils::Backtrace.clean(e), always_display: Homebrew::EnvConfig.developer?
  Homebrew.failed = true
  @show_summary_heading = true
end

#post_install_formula_path ⇒ Pathname

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'formula_installer.rb', line 1114

def post_install_formula_path
  # Use the formula from the keg when any of the following is true:
  # * We're installing from the JSON API
  # * We're installing a local bottle file
  # * The formula doesn't exist in the tap (or the tap isn't installed)
  # * The formula in the tap has a different `pkg_version``.
  #
  # In all other cases, including if the formula from the keg is unreadable
  # (third-party taps may `require` some of their own libraries) or if there
  # is no formula present in the keg (as is the case with very old bottles),
  # use the formula from the tap.
  keg_formula_path = formula.opt_prefix/".brew/#{formula.name}.rb"
  return keg_formula_path if formula.loaded_from_api?
  return keg_formula_path if formula.local_bottle_path.present?

  tap_formula_path = formula.specified_path
  return keg_formula_path unless tap_formula_path.exist?

  begin
    keg_formula = Formulary.factory(keg_formula_path)
    tap_formula = Formulary.factory(tap_formula_path)
    return keg_formula_path if keg_formula.pkg_version != tap_formula.pkg_version

    tap_formula_path
  rescue FormulaUnavailableError, FormulaUnreadableError
    tap_formula_path
  end
end

#pour ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 1260

def pour
  HOMEBREW_CELLAR.cd do
    downloader.stage
  end

  Tab.clear_cache

  tab = Utils::Bottles.load_tab(formula)

  # fill in missing/outdated parts of the tab
  # keep in sync with Tab#to_bottle_json
  tab.used_options = []
  tab.unused_options = []
  tab.built_as_bottle = true
  tab.poured_from_bottle = true
  tab.loaded_from_api = formula.loaded_from_api?
  tab.installed_as_dependency = installed_as_dependency?
  tab.installed_on_request = installed_on_request?
  tab.time = Time.now.to_i
  tab.aliases = formula.aliases
  tab.arch = Hardware::CPU.arch
  tab.source["versions"]["stable"] = formula.stable.version&.to_s
  tab.source["versions"]["version_scheme"] = formula.version_scheme
  tab.source["path"] = formula.specified_path.to_s
  tab.source["tap_git_head"] = formula.tap&.installed? ? formula.tap&.git_head : nil
  tab.tap = formula.tap
  tab.write

  keg = Keg.new(formula.prefix)
  skip_linkage = formula.bottle_specification.skip_relocation?
  keg.replace_placeholders_with_locations tab.changed_files, skip_linkage: skip_linkage

  cellar = formula.bottle_specification.tag_to_cellar(Utils::Bottles.tag)
  return if [:any, :any_skip_relocation].include?(cellar)

  prefix = Pathname(cellar).parent.to_s
  return if cellar == HOMEBREW_CELLAR.to_s && prefix == HOMEBREW_PREFIX.to_s

  return unless ENV["HOMEBREW_RELOCATE_BUILD_PREFIX"]

  keg.relocate_build_prefix(keg, prefix, HOMEBREW_PREFIX)
end

#pour_bottle?(output_warning: false) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • output_warning (Boolean) (defaults to: false)

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 154

def pour_bottle?(output_warning: false)
  return false if !formula.bottle_tag? && !formula.local_bottle_path
  return true  if force_bottle?
  return false if build_from_source? || build_bottle? || interactive?
  return false if @cc
  return false unless options.empty?

  unless formula.pour_bottle?
    if output_warning && formula.pour_bottle_check_unsatisfied_reason
      opoo <<~EOS
        Building #{formula.full_name} from source:
          #{formula.pour_bottle_check_unsatisfied_reason}
      EOS
    end
    return false
  end

  return true if formula.local_bottle_path.present?

  bottle = formula.bottle_for_tag(Utils::Bottles.tag)
  return false if bottle.nil?

  unless bottle.compatible_locations?
    if output_warning
      prefix = Pathname(bottle.cellar.to_s).parent
      opoo <<~EOS
        Building #{formula.full_name} from source as the bottle needs:
        - HOMEBREW_CELLAR: #{bottle.cellar} (yours is #{HOMEBREW_CELLAR})
        - HOMEBREW_PREFIX: #{prefix} (yours is #{HOMEBREW_PREFIX})
      EOS
    end
    return false
  end

  true
end

#prelude ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 203

def prelude
  type, reason = DeprecateDisable.deprecate_disable_info formula
  if type.present?
    case type
    when :deprecated
      if reason.present?
        opoo "#{formula.full_name} has been deprecated because it #{reason}!"
      else
        opoo "#{formula.full_name} has been deprecated!"
      end
    when :disabled
      if reason.present?
        raise CannotInstallFormulaError, "#{formula.full_name} has been disabled because it #{reason}!"
      end

      raise CannotInstallFormulaError, "#{formula.full_name} has been disabled!"
    end
  end

  Tab.clear_cache

  verify_deps_exist unless ignore_deps?
  forbidden_license_check

  check_install_sanity
  install_fetch_deps unless ignore_deps?
end

#previously_fetched_formula ⇒ Formula?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'formula_installer.rb', line 1201

def previously_fetched_formula
  # We intentionally don't compare classes here:
  # from-API-JSON and from-source formula classes are not equal but we
  # want to equate them to be the same thing here given mixing bottle and
  # from-source installs of the same formula within the same operation
  # doesn't make sense.
  self.class.fetched.find do |fetched_formula|
    fetched_formula.full_name == formula.full_name && fetched_formula.active_spec_sym == formula.active_spec_sym
  end
end

#problem_if_output(output) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'formula_installer.rb', line 1304

def problem_if_output(output)
  return unless output

  opoo output
  @show_summary_heading = true
end

#runtime_requirements(formula) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 564

def runtime_requirements(formula)
  runtime_deps = formula.runtime_formula_dependencies(undeclared: false)
  recursive_requirements = formula.recursive_requirements do |dependent, _|
    Requirement.prune unless runtime_deps.include?(dependent)
  end
  (recursive_requirements.to_a + formula.requirements.to_a).reject(&:build?).uniq
end

#sanitized_argv_options ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'formula_installer.rb', line 875

def sanitized_argv_options
  args = []
  args << "--ignore-dependencies" if ignore_deps?

  if build_bottle?
    args << "--build-bottle"
    args << "--bottle-arch=#{@bottle_arch}" if @bottle_arch
  end

  args << "--git" if git?
  args << "--interactive" if interactive?
  args << "--verbose" if verbose?
  args << "--debug" if debug?
  args << "--cc=#{@cc}" if @cc
  args << "--keep-tmp" if keep_tmp?

  if debug_symbols?
    args << "--debug-symbols"
    args << "--build-from-source"
  end

  if @env.present?
    args << "--env=#{@env}"
  elsif formula.env.std? || formula.deps.select(&:build?).any? { |d| d.name == "scons" }
    args << "--env=std"
  end

  args << "--HEAD" if formula.head?

  args
end

#skip_post_install? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'formula_installer.rb', line 149

def skip_post_install?
  @skip_post_install.present?
end

#summary ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'formula_installer.rb', line 862

def summary
  s = +""
  s << "#{Homebrew::EnvConfig.install_badge}  " unless Homebrew::EnvConfig.no_emoji?
  s << "#{formula.prefix.resolved_path}: #{formula.prefix.abv}"
  s << ", built in #{pretty_duration build_time}" if build_time
  s.freeze
end

#unbottled_dependencies(deps) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'formula_installer.rb', line 532

def unbottled_dependencies(deps)
  deps.map(&:first).map(&:to_formula).reject do |dep_f|
    next false unless dep_f.pour_bottle?

    dep_f.bottled?
  end
end

#verify_deps_exist ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'formula_installer.rb', line 232

def verify_deps_exist
  begin
    compute_dependencies
  rescue TapFormulaUnavailableError => e
    raise if e.tap.installed?

    e.tap.ensure_installed!
    retry if e.tap.installed? # It may have not installed if it's a core tap.
  end
rescue FormulaUnavailableError => e
  e.dependent = formula.full_name
  raise
end