Class: FormulaInstaller Private

Inherits:
Object
  • Object
show all
Extended by:
Predicable
Includes:
FormulaCellarChecks
Defined in:
Library/Homebrew/formula_installer.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

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_easy_install_pth, #check_elisp_dirname, #check_elisp_root, #check_env_path, #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_shadowed_headers, #check_shim_references, #generic_audit_installed, #generic_valid_library_extension?, #valid_library_extension?

Constructor Details

#initialize(formula, force_bottle: false, include_test_formulae: [], build_from_source_formulae: [], cc: nil, debug: false, quiet: false, verbose: false) ⇒ FormulaInstaller

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of FormulaInstaller.


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

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

Instance Attribute Details

#bottle_archObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def bottle_arch
  @bottle_arch
end

#build_bottleObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def build_bottle
  @build_bottle
end

#build_from_source_formulaeObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def build_from_source_formulae
  @build_from_source_formulae
end

#ccObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def cc
  @cc
end

#envObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def env
  @env
end

#formulaObject (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 44

def formula
  @formula
end

#include_test_formulaeObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def include_test_formulae
  @include_test_formulae
end

#installed_as_dependencyObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def installed_as_dependency
  @installed_as_dependency
end

#installed_on_requestObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def installed_on_request
  @installed_on_request
end

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def link_keg
  @link_keg
end

#optionsObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def options
  @options
end

#other_installersObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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

def other_installers
  @other_installers
end

Class Method Details

.attemptedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 87

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

.clear_attemptedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 91

def self.clear_attempted
  @attempted = Set.new
end

.clear_installedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 99

def self.clear_installed
  @installed = Set.new
end

.installedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 95

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

.lockedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1095

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

.mode_attr_accessor(*names) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 31

def self.mode_attr_accessor(*names)
  attr_accessor(*names)

  private(*names)
  names.each do |name|
    predicate = "#{name}?"
    define_method(predicate) do
      send(name) ? true : false
    end
    private(predicate)
  end
end

.prevent_build_flags(args) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

When no build tools are available and build flags are passed through ARGV, it's necessary to interrupt the user before any sort of installation can proceed. Only raises when the user has no developer tools.

Raises:


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# File 'Library/Homebrew/formula_installer.rb', line 106

def self.prevent_build_flags(args)
  return if DevelopmentTools.installed?

  build_flags = []

  build_flags << "--HEAD" if args.HEAD?
  build_flags << "--universal" if args.universal?
  build_flags << "--build-bottle" if args.build_bottle?
  build_flags << "--build-from-source" if args.build_from_source?

  return if build_flags.empty?

  all_bottled = args.named.to_formulae.all?(&:bottled?)
  raise BuildFlagsError.new(build_flags, bottled: all_bottled)
end

Instance Method Details

#audit_installedObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1087

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

#buildObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 794

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 = %W[
    nice #{RUBY_PATH}
    #{ENV["HOMEBREW_RUBY_WARNINGS"]}
    -I #{$LOAD_PATH.join(File::PATH_SEPARATOR)}
    --
    #{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(ENV["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_argvObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 790

def build_argv
  sanitized_argv_options + options.as_flags
end

#build_bottle?Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)

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# File 'Library/Homebrew/formula_installer.rb', line 130

def build_bottle?
  return false unless @build_bottle

  !formula.bottle_disabled?
end

#build_bottle_postinstallObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 256

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_preinstallObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 251

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. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)

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# File 'Library/Homebrew/formula_installer.rb', line 122

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

#build_timeObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 755

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

#caveatsObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 681

def caveats
  return if only_deps?

  audit_installed if Homebrew::EnvConfig.developer?

  caveats = Caveats.new(formula)

  return if caveats.empty?

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

#check_conflictsObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 400

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/core)!"
    false
  else # rubocop:disable Layout/ElseAlignment
    f.linked_keg.exist? && f.opt_prefix.exist?
  end

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

#check_dependencies_bottled(deps) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Check that each dependency in deps has a bottle available, terminating abnormally with a BuildToolsError if one or more don't. Only invoked when the user has no developer tools.

Raises:


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# File 'Library/Homebrew/formula_installer.rb', line 440

def check_dependencies_bottled(deps)
  unbottled = deps.reject do |dep, _|
    dep_f = dep.to_formula
    dep_f.pour_bottle? || dep_f.bottle_unneeded?
  end

  raise BuildToolsError, unbottled unless unbottled.empty?
end

#check_install_sanityObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 202

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

  if formula.deprecated?
    opoo "#{formula.full_name} has been deprecated!"
  elsif formula.disabled?
    odie "#{formula.full_name} has been disabled!"
  end

  return if ignore_deps?

  recursive_deps = formula.recursive_dependencies
  recursive_formulae = recursive_deps.map(&:to_formula)

  recursive_dependencies = []
  recursive_formulae.each do |dep|
    dep_recursive_dependencies = dep.recursive_dependencies.map(&:to_s)
    if dep_recursive_dependencies.include?(formula.name)
      recursive_dependencies << "#{formula.full_name} depends on #{dep.full_name}"
      recursive_dependencies << "#{dep.full_name} depends on #{formula.full_name}"
    end
  end

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

  if recursive_formulae.flat_map(&:recursive_dependencies)
                       .map(&:to_s)
                       .include?(formula.name)
    raise CannotInstallFormulaError, <<~EOS
      #{formula.full_name} contains a recursive dependency on itself!
    EOS
  end

  pinned_unsatisfied_deps = recursive_deps.select do |dep|
    dep.to_formula.pinned? && !dep.satisfied?(inherited_options_for(dep))
  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_requirements(req_map) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 454

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 == "maximummacos"

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

  return if fatals.empty?

  puts_requirement_messages
  raise UnsatisfiedRequirements, fatals
end

#cleanObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 958

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, e.backtrace
  Homebrew.failed = true
  @show_summary_heading = true
end

#compute_and_install_dependenciesObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 449

def compute_and_install_dependencies
  deps = compute_dependencies
  install_dependencies(deps)
end

#compute_dependenciesObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

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


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# File 'Library/Homebrew/formula_installer.rb', line 431

def compute_dependencies
  req_map, req_deps = expand_requirements
  check_requirements(req_map)
  expand_dependencies(req_deps + formula.deps)
end

#display_options(formula) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 574

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

#downloaderObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1040

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. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 566

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(deps) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 521

def expand_dependencies(deps)
  inherited_options = Hash.new { |hash, key| hash[key] = Options.new }
  pour_bottle = pour_bottle?

  expanded_deps = Dependency.expand(formula, deps) 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) && !dependent.latest_version_installed?

    if dep.prune_from_option?(build)
      Dependency.prune
    elsif (dep.build? || dep.test?) && !keep_build_test
      Dependency.prune
    elsif dep.satisfied?(inherited_options[dep.name])
      Dependency.skip
    else
      pour_bottle ||= install_bottle_for?(dep.to_formula, build)
    end
  end

  if pour_bottle && !Keg.bottle_dependencies.empty?
    bottle_deps = if !Keg.bottle_dependencies.include?(formula.name)
      Keg.bottle_dependencies
    elsif !Keg.relocation_formulae.include?(formula.name)
      Keg.relocation_formulae
    else
      []
    end
    bottle_deps = bottle_deps.map { |formula| Dependency.new(formula) }
                             .reject do |dep|
      inherited_options[dep.name] |= inherited_options_for(dep)
      dep.satisfied? inherited_options[dep.name]
    end
    expanded_deps = Dependency.merge_repeats(bottle_deps + expanded_deps)
  end

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

#expand_requirementsObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 481

def expand_requirements
  unsatisfied_reqs = Hash.new { |h, k| h[k] = [] }
  req_deps = []
  formulae = [formula]
  formula_deps_map = Dependency.expand(formula)
                               .each_with_object({}) do |dep, hash|
    hash[dep.name] = dep
  end

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

  # Merge the repeated dependencies, which may have different tags.
  req_deps = Dependency.merge_repeats(req_deps)

  [unsatisfied_reqs, req_deps]
end

#fetchObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1014

def fetch
  fetch_dependencies

  return if only_deps?

  if pour_bottle?(warn: true)
    begin
      downloader.fetch
    rescue Exception => e # rubocop:disable Lint/RescueException
      raise if Homebrew::EnvConfig.developer? ||
               Homebrew::EnvConfig.no_bottle_source_fallback? ||
               e.is_a?(Interrupt)

      @pour_failed = true
      onoe e.message
      opoo "Bottle installation failed: building from source."
      fetch_dependencies
    end
  end
  return if pour_bottle?

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

#fetch_dependenciesObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1005

def fetch_dependencies
  return if ignore_deps?

  deps = compute_dependencies
  return if deps.empty?

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

#fetch_dependency(dep) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 608

def fetch_dependency(dep)
  df = dep.to_formula
  fi = FormulaInstaller.new(df, force_bottle:      false,
                                include_test_formulae:      include_test_formulae,
                                build_from_source_formulae: build_from_source_formulae,
                                debug: debug?, quiet: quiet?, verbose: verbose?)

  fi.force                   = force?
  fi.keep_tmp                = keep_tmp?
  # 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.
  fi.ignore_deps             = true
  fi.fetch
end

#finishObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 695

def finish
  return if only_deps?

  ohai "Finishing up" if verbose?

  install_plist

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

  fix_dynamic_linkage(keg) unless @poured_bottle && formula.bottle_specification.skip_relocation?

  if build_bottle?
    ohai "Not running post_install as we're building a bottle"
    puts "You can run it manually using `brew postinstall #{formula.full_name}`"
  else
    post_install
  end

  # 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(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 curl when it's needed and available
  if formula.name == "curl" &&
     !DevelopmentTools.curl_handles_most_https_certificates?
    ENV["HOMEBREW_CURL"] = formula.opt_bin/"curl"
  end

  caveats

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

  self.class.installed << formula
ensure
  unlock
end

#fix_dynamic_linkage(keg) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 947

def fix_dynamic_linkage(keg)
  keg.fix_dynamic_linkage
rescue Exception => e # rubocop:disable Lint/RescueException
  onoe "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, e.backtrace
  Homebrew.failed = true
  @show_summary_heading = true
end

#include_test?Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)

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# File 'Library/Homebrew/formula_installer.rb', line 126

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

#inherited_options_for(dep) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 586

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

#installObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:


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# File 'Library/Homebrew/formula_installer.rb', line 263

def install
  lock

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

  # not in initialize so upgrade can unlink the active keg before calling this
  # function but after instantiating this class so that it can avoid having to
  # relink the active keg if possible (because it is slow).
  if formula.linked_keg.directory?
    message = <<~EOS
      #{formula.name} #{formula.linked_version} is already installed
    EOS
    if formula.outdated? && !formula.head?
      message += <<~EOS
        To upgrade to #{formula.pkg_version}, run `brew upgrade #{formula.full_name}`.
      EOS
    elsif only_deps?
      message = nil
    else
      # some other version is already installed *and* linked
      message += <<~EOS
        To install #{formula.pkg_version}, first run `brew unlink #{formula.name}`.
      EOS
    end
    raise CannotInstallFormulaError, message if message
  end

  # 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).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 BuildToolsError, [formula] if !pour_bottle? && !formula.bottle_unneeded? && !DevelopmentTools.installed?

  unless ignore_deps?
    deps = compute_dependencies
    check_dependencies_bottled(deps) if pour_bottle? && !DevelopmentTools.installed?
    install_dependencies(deps)
  end

  return if only_deps?

  if build_bottle? && (arch = bottle_arch) && !Hardware::CPU.optimization_flags.include?(arch.to_sym)
    raise "Unrecognized architecture for --bottle-arch: #{arch}"
  end

  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?

  unless formula.tap&.private?
    action = "#{formula.full_name} #{options}".strip
    Utils::Analytics.report_event("install", action)

    Utils::Analytics.report_event("install_on_request", action) if installed_on_request
  end

  self.class.attempted << formula

  if pour_bottle?
    begin
      pour
    rescue Exception => e # 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 if Homebrew::EnvConfig.developer? ||
               Homebrew::EnvConfig.no_bottle_source_fallback? ||
               e.is_a?(Interrupt)

      @pour_failed = true
      onoe e.message
      opoo "Bottle installation failed: building from source."
      raise BuildToolsError, [formula] unless DevelopmentTools.installed?

      compute_and_install_dependencies unless ignore_deps?
    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.mkdir
    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.formula_installed(formula, end_time - start_time)
end

#install_bottle_for?(dep, build) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)

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# File 'Library/Homebrew/formula_installer.rb', line 170

def install_bottle_for?(dep, build)
  return pour_bottle? if dep == formula
  return false if build_from_source_formulae.include?(dep.full_name)
  return false unless dep.bottle && dep.pour_bottle?
  return false unless build.used_options.empty?
  return false unless dep.bottle.compatible_cellar?

  true
end

#install_dependencies(deps) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 595

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) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 624

def install_dependency(dep, inherited_options)
  df = dep.to_formula
  tab = Tab.for_formula(df)

  if df.linked_keg.directory?
    linked_keg = Keg.new(df.linked_keg.resolved_path)
    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)
    tmp_keg = Pathname.new("#{installed_keg}.tmp")
    installed_keg.rename(tmp_keg)
  end

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

  fi = FormulaInstaller.new(df, force_bottle:      false,
                                include_test_formulae:      include_test_formulae,
                                build_from_source_formulae: build_from_source_formulae,
                                debug: debug?, quiet: quiet?, verbose: verbose?)

  fi.options                |= tab.used_options
  fi.options                |= Tab.remap_deprecated_options(df.deprecated_options, dep.options)
  fi.options                |= inherited_options
  fi.options                &= df.options
  fi.force                   = force?
  fi.keep_tmp                = keep_tmp?
  fi.link_keg              ||= keg_was_linked if keg_had_linked_keg
  fi.installed_as_dependency = true
  fi.installed_on_request    = df.any_version_installed? && tab.installed_on_request
  fi.prelude
  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) 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_plistObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 934

def install_plist
  return unless formula.plist

  formula.plist_path.atomic_write(formula.plist)
  formula.plist_path.chmod 0644
  log = formula.var/"log"
  log.mkpath if formula.plist.include? log.to_s
rescue Exception => e # rubocop:disable Lint/RescueException
  onoe "Failed to install plist file"
  odebug e, e.backtrace
  Homebrew.failed = true
end

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 847

def link(keg)
  unless link_keg
    begin
      keg.optlink(verbose: verbose?)
      Formula.clear_cache
    rescue Keg::LinkError => e
      onoe "Failed to create #{formula.opt_prefix}"
      puts "Things that depend on #{formula.full_name} will probably not build."
      puts e
      Homebrew.failed = true
    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

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

  begin
    keg.link(verbose: verbose?)
  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
    onoe "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
    Homebrew.failed = true
  rescue Keg::LinkError => e
    onoe "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
    Homebrew.failed = true
  rescue Exception => e # rubocop:disable Lint/RescueException
    onoe "An unexpected error occurred during the `brew link` step"
    puts "The formula built, but is not symlinked into #{HOMEBREW_PREFIX}"
    puts e
    puts e.backtrace 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
    Homebrew.failed = true
    raise
  end

  return if link_overwrite_backup.empty?

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

#post_installObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 969

def post_install
  args = %W[
    nice #{RUBY_PATH}
    #{ENV["HOMEBREW_RUBY_WARNINGS"]}
    -I #{$LOAD_PATH.join(File::PATH_SEPARATOR)}
    --
    #{HOMEBREW_LIBRARY_PATH}/postinstall.rb
    #{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 `brew postinstall #{formula.full_name}`"
  odebug e, e.backtrace, always_display: Homebrew::EnvConfig.developer?
  Homebrew.failed = true
  @show_summary_heading = true
end

#pourObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1050

def pour
  HOMEBREW_CELLAR.cd do
    downloader.stage
  end

  keg = Keg.new(formula.prefix)
  tab = Tab.for_keg(keg)
  Tab.clear_cache

  skip_linkage = formula.bottle_specification.skip_relocation?
  keg.replace_placeholders_with_locations tab.changed_files, skip_linkage: skip_linkage

  tab = Tab.for_keg(keg)

  CxxStdlib.check_compatibility(
    formula, formula.recursive_dependencies,
    Keg.new(formula.prefix), tab.compiler
  )

  tab.tap = formula.tap
  tab.poured_from_bottle = true
  tab.time = Time.now.to_i
  tab.head = HOMEBREW_REPOSITORY.git_head
  tab.source["path"] = formula.specified_path.to_s
  tab.installed_as_dependency = installed_as_dependency
  tab.installed_on_request = installed_on_request
  tab.aliases = formula.aliases
  tab.write
end

#pour_bottle?(install_bottle_options = { warn: false }) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)

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# File 'Library/Homebrew/formula_installer.rb', line 136

def pour_bottle?(install_bottle_options = { warn: false })
  return false if @pour_failed

  return false if !formula.bottled? && !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?
  return false if formula.bottle_disabled?

  unless formula.pour_bottle?
    if install_bottle_options[:warn] && 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

  bottle = formula.bottle_specification
  unless bottle.compatible_cellar?
    if install_bottle_options[:warn]
      opoo <<~EOS
        Building #{formula.full_name} from source:
          The bottle needs a #{bottle.cellar} Cellar (yours is #{HOMEBREW_CELLAR}).
      EOS
    end
    return false
  end

  true
end

#preludeObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 180

def prelude
  Tab.clear_cache
  verify_deps_exist unless ignore_deps?
  forbidden_license_check

  check_install_sanity
end

#problem_if_output(output) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 1080

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. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 473

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_optionsObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 759

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

  if formula.head?
    args << "--HEAD"
  elsif formula.devel?
    args << "--devel"
  end

  args
end

#summaryObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 747

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

#verify_deps_existObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/formula_installer.rb', line 188

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

    e.tap.install
    retry
  end
rescue FormulaUnavailableError => e
  e.dependent = formula.full_name
  raise
end