Class: FormulaInstaller Private

Inherits:
Object show all
Extended by:
Attrable
Includes:
FormulaCellarChecks, OS::Mac::FormulaInstaller
Defined in:
extend/os/linux/formula_installer.rb,
formula_installer.rb,
sorbet/rbi/dsl/formula_installer.rbi

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 collapse

ETC_VAR_DIRS =

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

T.let([HOMEBREW_PREFIX/"etc", HOMEBREW_PREFIX/"var"].freeze, T::Array[Pathname])

Constants included from FormulaCellarChecks

FormulaCellarChecks::VALID_LIBRARY_EXTENSIONS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Attrable

attr_predicate, attr_rw

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: false, 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) ⇒ 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.

Parameters:

  • formula (Formula)
  • link_keg (Boolean) (defaults to: false)
  • installed_as_dependency (Boolean) (defaults to: false)
  • installed_on_request (Boolean) (defaults to: false)
  • show_header (Boolean) (defaults to: false)
  • build_bottle (Boolean) (defaults to: false)
  • skip_post_install (Boolean) (defaults to: false)
  • force_bottle (Boolean) (defaults to: false)
  • bottle_arch (String, nil) (defaults to: nil)
  • ignore_deps (Boolean) (defaults to: false)
  • only_deps (Boolean) (defaults to: false)
  • include_test_formulae (Array<Formula>) (defaults to: [])
  • build_from_source_formulae (Array<Formula>) (defaults to: [])
  • env (String, nil) (defaults to: nil)
  • git (Boolean) (defaults to: false)
  • interactive (Boolean) (defaults to: false)
  • keep_tmp (Boolean) (defaults to: false)
  • debug_symbols (Boolean) (defaults to: false)
  • cc (String, nil) (defaults to: nil)
  • options (Options) (defaults to: Options.new)
  • force (Boolean) (defaults to: false)
  • overwrite (Boolean) (defaults to: false)
  • debug (Boolean) (defaults to: false)
  • quiet (Boolean) (defaults to: false)
  • verbose (Boolean) (defaults to: false) 


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# File 'formula_installer.rb', line 83

def initialize(
  formula,
  link_keg: false,
  installed_as_dependency: false,
  installed_on_request: false,
  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 = T.let(!formula.keg_only? || link_keg, T::Boolean)
  @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 = T.let(@formula.force_bottle, T::Boolean)
  @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 = T.let([], T::Array[String])
  @poured_bottle = T.let(false, T::Boolean)
  @start_time = T.let(nil, T.nilable(Time))
  @bottle_tab_runtime_dependencies = T.let({}.freeze, T::Hash[String, T::Hash[String, String]])
  @hold_locks = T.let(false, T::Boolean)
  @show_summary_heading = T.let(false, T::Boolean)
  @etc_var_preinstall = T.let([], T::Array[Pathname])

  # Take the original formula instance, which might have been swapped from an API instance to a source instance
  @formula = T.let(T.must(previously_fetched_formula), Formula) if previously_fetched_formula
end

Instance Attribute Details

#bottle_tab_runtime_dependencies ⇒ Hash{String => Hash{String => String}} (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.

Returns:



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# File 'formula_installer.rb', line 40

def bottle_tab_runtime_dependencies
  @bottle_tab_runtime_dependencies
end

#formula ⇒ Formula (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.

Returns:



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# File 'formula_installer.rb', line 37

def formula
  @formula
end

#link_keg ⇒ 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 46

def link_keg
  @link_keg
end

#options ⇒ 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.

Returns:



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# File 'formula_installer.rb', line 43

def options
  @options
end

Class Method Details

.attempted ⇒ Set<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 149

def self.attempted
  @attempted ||= T.let(Set.new, T.nilable(T::Set[Formula]))
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 154

def self.clear_attempted
  @attempted = T.let(Set.new, T.nilable(T::Set[Formula]))
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 174

def self.clear_fetched
  @fetched = T.let(Set.new, T.nilable(T::Set[Formula]))
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 164

def self.clear_installed
  @installed = T.let(Set.new, T.nilable(T::Set[Formula]))
end

.fetched ⇒ Set<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 169

def self.fetched
  @fetched ||= T.let(Set.new, T.nilable(T::Set[Formula]))
end

.installed ⇒ Set<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 159

def self.installed
  @installed ||= T.let(Set.new, T.nilable(T::Set[Formula]))
end

.locked ⇒ Array<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 1480

def self.locked
  @locked ||= T.let([], T.nilable(T::Array[Formula]))
end

Instance Method Details

#audit_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 1471

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 981

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)

  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.deny_all_network unless formula.network_access_allowed?(:build)
    sandbox.run(*args)
  else
    Utils.safe_fork do
      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
    FileUtils.rm_r(formula.prefix) 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 978

def build_argv = sanitized_argv_options + options.as_flags

#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 189

def build_bottle?
  @build_bottle.present?
end

#build_bottle_postinstall ⇒ 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 427

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 ⇒ 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 422

def build_bottle_preinstall
  @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 179

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

#build_time ⇒ Float?

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:

  • (Float, nil) 


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# File 'formula_installer.rb', line 940

def build_time
  @build_time ||= T.let(Time.now - @start_time, T.nilable(Float)) 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 837

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 ⇒ 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 540

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&.full_name} tap".squeeze(" ")
    $stderr.puts " (not Homebrew/brew or Homebrew/homebrew-core)!" unless formula.core_formula?
    false
  else
    f.linked_keg.exist? && f.opt_prefix.exist?
  end

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

#check_install_sanity ⇒ 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 299

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?
    next if dep.test?

    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 ⇒ 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 294

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

#check_requirements(req_map) ⇒ 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:

Raises:



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# File 'formula_installer.rb', line 600

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.is_a?(MacOSRequirement) && 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 1171

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."

  require "utils/backtrace"
  odebug e, Utils::Backtrace.clean(e)

  Homebrew.failed = true
  @show_summary_heading = true
end

#compute_and_install_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 594

def compute_and_install_dependencies
  deps = compute_dependencies
  install_dependencies(deps)
end

#compute_dependencies(use_cache: true) ⇒ Array<Array<(Dependency, 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.

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

Parameters:

  • use_cache (Boolean) (defaults to: true)

Returns:



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# File 'formula_installer.rb', line 573

def compute_dependencies(use_cache: true)
  @compute_dependencies = T.let(nil, T.nilable(T::Array[[Dependency, Options]])) 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

#debug? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 10

def debug?; end

#debug_symbols? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 13

def debug_symbols?; end

#display_options(formula) ⇒ 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.

Parameters:

Returns:



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# File 'formula_installer.rb', line 709

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

#downloadable ⇒ Downloadable

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 1408

def downloadable
  if (bottle_path = formula.local_bottle_path)
    Resource::Local.new(bottle_path)
  elsif pour_bottle?
    T.must(formula.bottle)
  else
    T.must(formula.resource)
  end
end

#effective_build_options_for(dependent, inherited_options = Options.new) ⇒ BuildOptions

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:

  • dependent (Formula)
  • inherited_options (Options) (defaults to: Options.new)

Returns:



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# File 'formula_installer.rb', line 700

def effective_build_options_for(dependent, inherited_options = Options.new)
  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 ⇒ Array<Array<(Dependency, 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.

Returns:



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# File 'formula_installer.rb', line 691

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) ⇒ Array<Dependency>

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 662

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:) do |dependent, dep|
    inherited_options[dep.name] |= inherited_options_for(dep)
    build = effective_build_options_for(
      dependent,
      inherited_options.fetch(dependent.name, Options.new),
    )

    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 ⇒ Hash{Formula => Array<Requirement>}

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 629

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

  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 1305

def fetch
  return if previously_fetched_formula

  fetch_dependencies

  return if only_deps?

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

  downloadable_object = downloadable
  check_attestation = if pour_bottle?(output_warning: true)
    fetch_bottle_tab

    !downloadable_object.cached_download.exist?
  else
    @formula = Homebrew::API::Formula.source_download(formula) if formula.loaded_from_api?

    formula.fetch_patches
    formula.resources.each(&:fetch)
    downloadable_object = downloadable

    false
  end
  downloadable_object.fetch

  # We skip `gh` to avoid a bootstrapping cycle, in the off-chance a user attempts
  # to explicitly `brew install gh` without already having a version for bootstrapping.
  # We also skip bottle installs from local bottle paths, as these are done in CI
  # as part of the build lifecycle before attestations are produced.
  if check_attestation &&
     Homebrew::Attestation.enabled? &&
     formula.tap&.core_tap? &&
     formula.name != "gh" &&
     formula.local_bottle_path.blank?
    ohai "Verifying attestation for #{formula.name}"
    begin
      Homebrew::Attestation.check_core_attestation T.cast(downloadable_object, Bottle)
    rescue Homebrew::Attestation::GhIncompatible
      # A small but significant number of users have developer mode enabled
      # but *also* haven't upgraded in a long time, meaning that their `gh`
      # version is too old to perform attestations.
      raise CannotInstallFormulaError, <<~EOS
        The bottle for #{formula.name} could not be verified.

        This typically indicates an outdated or incompatible `gh` CLI.

        Please confirm that you're running the latest version of `gh`
        by performing an upgrade before retrying:

          brew update
          brew upgrade gh
      EOS
    rescue Homebrew::Attestation::GhAuthInvalid
      # Only raise an error if we explicitly opted-in to verification.
      raise CannotInstallFormulaError, <<~EOS if Homebrew::EnvConfig.verify_attestations?
        The bottle for #{formula.name} could not be verified.

        This typically indicates an invalid GitHub API token.

        If you have `HOMEBREW_GITHUB_API_TOKEN` set, check it is correct
        or unset it and instead run:

          gh auth login
      EOS

      # If we didn't explicitly opt-in, then quietly opt-out in the case of invalid credentials.
      # Based on user reports, a significant number of users are running with stale tokens.
      ENV["HOMEBREW_NO_VERIFY_ATTESTATIONS"] = "1"
    rescue Homebrew::Attestation::GhAuthNeeded
      raise CannotInstallFormulaError, <<~EOS
        The bottle for #{formula.name} could not be verified.

        This typically indicates a missing GitHub API token, which you
        can resolve either by setting `HOMEBREW_GITHUB_API_TOKEN` or
        by running:

          gh auth login
      EOS
    rescue Homebrew::Attestation::MissingAttestationError, Homebrew::Attestation::InvalidAttestationError => e
      raise CannotInstallFormulaError, <<~EOS
        The bottle for #{formula.name} has an invalid build provenance attestation.

        This may indicate that the bottle was not produced by the expected
        tap, or was maliciously inserted into the expected tap's bottle
        storage.

        Additional context:

        #{e}
      EOS
    end
  end

  self.class.fetched << formula
rescue CannotInstallFormulaError
  if (cached_download = downloadable_object&.cached_download)&.exist?
    cached_download.unlink
  end

  raise
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 1289

def fetch_bottle_tab
  return if @fetch_bottle_tab

  begin
    formula.fetch_bottle_tab
    @bottle_tab_runtime_dependencies = formula.bottle_tab_attributes
                                              .fetch("runtime_dependencies", []).then { |deps| deps || [] }
                                              .each_with_object({}) { |dep, h| h[dep["full_name"]] = dep }
                                              .freeze
  rescue DownloadError, Resource::BottleManifest::Error
    # do nothing
  end
  @fetch_bottle_tab = T.let(true, T.nilable(TrueClass))
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 1259

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.identifier(_1) }.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 744

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 854

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 = keg.tab
  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

  # write/update a SBOM file (if we aren't bottling)
  unless build_bottle?
    sbom = SBOM.create(formula, tab)
    sbom.write(validate: Homebrew::EnvConfig.developer?)
  end

  # 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").to_s
    ENV["GIT_SSL_CAPATH"] = formula.pkgetc.to_s
  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").to_s
    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 1157

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."

  require "utils/backtrace"
  odebug e, Utils::Backtrace.clean(e)

  @show_summary_heading = true
end

#forbidden_formula_check ⇒ 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 1583

def forbidden_formula_check
  forbidden_formulae = Set.new(Homebrew::EnvConfig.forbidden_formulae.to_s.split)
  return if forbidden_formulae.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  unless ignore_deps?
    compute_dependencies.each do |(dep, _options)|
      dep_name = if forbidden_formulae.include?(dep.name)
        dep.name
      elsif dep.tap.present? &&
            (dep_full_name = "#{dep.tap}/#{dep.name}") &&
            forbidden_formulae.include?(dep_full_name)
        dep_full_name
      else
        next
      end

      raise CannotInstallFormulaError, <<~EOS
        The installation of #{formula.name} has a dependency #{dep_name}
        but the #{dep_name} formula was forbidden by #{owner} in `HOMEBREW_FORBIDDEN_FORMULAE`.#{owner_contact}
      EOS
    end
  end

  return if only_deps?

  formula_name = if forbidden_formulae.include?(formula.name)
    formula.name
  elsif forbidden_formulae.include?(formula.full_name)
    formula.full_name
  else
    return
  end

  raise CannotInstallFormulaError, <<~EOS
    The installation of #{formula_name} was forbidden by #{owner}
    in `HOMEBREW_FORBIDDEN_FORMULAE`.#{owner_contact}
  EOS
end

#forbidden_license_check ⇒ 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 1485

def forbidden_license_check
  forbidden_licenses = Homebrew::EnvConfig.forbidden_licenses.to_s.dup
  SPDX::ALLOWED_LICENSE_SYMBOLS.each do |s|
    pattern = /#{s.to_s.tr("_", " ")}/i
    forbidden_licenses.sub!(pattern, s.to_s)
  end

  invalid_licenses = []
  forbidden_licenses = forbidden_licenses.split.each_with_object({}) do |license, hash|
    unless SPDX.valid_license?(license)
      invalid_licenses << license
      next
    end

    hash[license] = SPDX.license_version_info(license)
  end

  if invalid_licenses.present?
    opoo <<~EOS
      HOMEBREW_FORBIDDEN_LICENSES contains invalid license identifiers: #{invalid_licenses.to_sentence}
      These licenses will not be forbidden. See the valid SPDX license identifiers at:
        #{Formatter.url("https://spdx.org/licenses/")}
      And the licenses for a formula with:
        brew info <formula>
    EOS
  end

  return if forbidden_licenses.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  unless ignore_deps?
    compute_dependencies.each do |(dep, _options)|
      dep_f = dep.to_formula
      next unless SPDX.licenses_forbid_installation? dep_f.license, forbidden_licenses

      raise CannotInstallFormulaError, <<~EOS
        The installation of #{formula.name} has a dependency on #{dep.name} where all
        its licenses were forbidden by #{owner} in `HOMEBREW_FORBIDDEN_LICENSES`:
          #{SPDX.license_expression_to_string dep_f.license}#{owner_contact}
      EOS
    end
  end

  return if only_deps?

  return unless SPDX.licenses_forbid_installation? formula.license, forbidden_licenses

  raise CannotInstallFormulaError, <<~EOS
    #{formula.name}'s licenses are all forbidden by #{owner} in `HOMEBREW_FORBIDDEN_LICENSES`:
      #{SPDX.license_expression_to_string formula.license}#{owner_contact}
  EOS
end

#forbidden_tap_check ⇒ 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 1543

def forbidden_tap_check
  return if Tap.allowed_taps.blank? && Tap.forbidden_taps.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  unless ignore_deps?
    compute_dependencies.each do |(dep, _options)|
      dep_tap = dep.tap
      next if dep_tap.blank? || (dep_tap.allowed_by_env? && !dep_tap.forbidden_by_env?)

      error_message = "The installation of #{formula.name} has a dependency #{dep.name}\n" \
                      "from the #{dep_tap} tap but #{owner} "
      error_message << "has not allowed this tap in `HOMEBREW_ALLOWED_TAPS`" unless dep_tap.allowed_by_env?
      error_message << " and\n" if !dep_tap.allowed_by_env? && dep_tap.forbidden_by_env?
      error_message << "has forbidden this tap in `HOMEBREW_FORBIDDEN_TAPS`" if dep_tap.forbidden_by_env?
      error_message << ".#{owner_contact}"

      raise CannotInstallFormulaError, error_message
    end
  end

  return if only_deps?

  formula_tap = formula.tap
  return if formula_tap.blank? || (formula_tap.allowed_by_env? && !formula_tap.forbidden_by_env?)

  error_message = "The installation of #{formula.full_name} has the tap #{formula_tap}\n" \
                  "but #{owner} "
  error_message << "has not allowed this tap in `HOMEBREW_ALLOWED_TAPS`" unless formula_tap.allowed_by_env?
  error_message << " and\n" if !formula_tap.allowed_by_env? && formula_tap.forbidden_by_env?
  error_message << "has forbidden this tap in `HOMEBREW_FORBIDDEN_TAPS`" if formula_tap.forbidden_by_env?
  error_message << ".#{owner_contact}"

  raise CannotInstallFormulaError, error_message
end

#force? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 16

def force?; end

#force_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 'sorbet/rbi/dsl/formula_installer.rbi', line 19

def force_bottle?; end

#fresh_install?(formula) ⇒ 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, nil) 


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# File 'extend/os/linux/formula_installer.rb', line 6

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

#git? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 22

def git?; end

#ignore_deps? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 25

def ignore_deps?; 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 184

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 720

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 435

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_package_event(:formula_install, package_name: formula.name, tap_name: tap.name,
on_request: installed_on_request?, 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
          FileUtils.rm_r(formula.prefix) 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 = keg.tab
    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 237

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 730

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.identifier(_1) }.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 769

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 = linked_keg.tab
    keg_had_linked_keg = true
    keg_was_linked = linked_keg.linked?
    linked_keg.unlink
  else
    keg_had_linked_keg = false
  end

  if df.latest_version_installed?
    installed_keg = Keg.new(df.prefix)
    tab ||= installed_keg.tab
    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:,
    link_keg:                   keg_had_linked_keg && keg_was_linked,
    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 { FileUtils.rm_r(tmp_keg) 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 409

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 1127

def install_service
  service = 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

    formula.service.to_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"

  require "utils/backtrace"
  odebug e, Utils::Backtrace.clean(e)
end

#installed_as_dependency? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 28

def installed_as_dependency?; end

#installed_on_request? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 31

def installed_on_request?; end

#interactive? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 34

def interactive?; end

#keep_tmp? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 37

def keep_tmp?; 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 1035

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, warn: false).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

    if debug?
      require "utils/backtrace"
      puts Utils::Backtrace.clean(e)
    end

    @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

#only_deps? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 40

def only_deps?; end

#overwrite? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 43

def overwrite?; 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 1216

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

  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)
    sandbox.deny_all_network unless formula.network_access_allowed?(:postinstall)
    Keg.keg_link_directories.each do |dir|
      sandbox.allow_write_path "#{HOMEBREW_PREFIX}/#{dir}"
    end
    sandbox.run(*args)
  else
    Utils.safe_fork do
      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}"

  require "utils/backtrace"
  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 1186

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 1419

def pour
  HOMEBREW_CELLAR.cd do
    downloadable.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_hash
  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"] = T.must(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:)

  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 199

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 248

def prelude
  deprecate_disable_type = DeprecateDisable.type(formula)
  if deprecate_disable_type.present?
    message = "#{formula.full_name} has been #{DeprecateDisable.message(formula)}"

    case deprecate_disable_type
    when :deprecated
      opoo message
    when :disabled
      if force?
        opoo message
      else
        GitHub::Actions.puts_annotation_if_env_set(:error, message)
        raise CannotInstallFormulaError, message
      end
    end
  end

  Tab.clear_cache

  verify_deps_exist unless ignore_deps?

  forbidden_license_check
  forbidden_tap_check
  forbidden_formula_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 1277

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 1463

def problem_if_output(output)
  return unless output

  opoo output
  @show_summary_heading = true
end

#quiet? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 46

def quiet?; end

#runtime_requirements(formula) ⇒ Array<Requirement>

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 620

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 945

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

#show_header? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 49

def show_header?; end

#show_summary_heading? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 52

def show_summary_heading?; 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 194

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 931

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) ⇒ Array<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.

Parameters:

Returns:



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# File 'formula_installer.rb', line 585

def unbottled_dependencies(deps)
  deps.map { |(dep, _options)| dep.to_formula }.reject do |dep_f|
    next false unless dep_f.pour_bottle?

    dep_f.bottled?
  end
end

#verbose? ⇒ 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 'sorbet/rbi/dsl/formula_installer.rbi', line 55

def verbose?; 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 279

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