f36e676bc9
Since the primary FormulaInstaller instance handles the entire dependency tree, we set ignore_deps to true when instantiated the class for each dependency in over to avoid repeated work. However, now that arguments for the build process are whitelisted instead of blacklisted, we have begun adding "--ignore-dependencies" if ignore_deps is true. This isn't quite right when we are installing a dependency. We want to skip the calculation and installation of *its* dependencies, since the primary installer takes care of that, but we still want to consider them in the build process, so that they are available in the build environment.
697 lines
18 KiB
Ruby
697 lines
18 KiB
Ruby
# encoding: UTF-8
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require 'cxxstdlib'
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require 'exceptions'
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require 'formula'
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require 'keg'
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require 'tab'
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require 'bottles'
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require 'caveats'
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require 'cleaner'
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require 'formula_cellar_checks'
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require 'install_renamed'
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require 'cmd/tap'
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class FormulaInstaller
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include FormulaCellarChecks
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def self.mode_attr_accessor(*names)
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attr_accessor(*names)
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names.each { |name| define_method("#{name}?") { !!send(name) }}
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end
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attr_reader :f
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attr_accessor :options
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mode_attr_accessor :show_summary_heading, :show_header
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mode_attr_accessor :build_from_source, :build_bottle, :force_bottle
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mode_attr_accessor :ignore_deps, :only_deps, :interactive
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mode_attr_accessor :verbose, :debug
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def initialize ff
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@f = ff
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@show_header = false
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@ignore_deps = false
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@only_deps = false
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@build_from_source = false
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@build_bottle = false
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@force_bottle = false
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@interactive = false
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@verbose = false
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@debug = false
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@options = Options.new
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@@attempted ||= Set.new
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@poured_bottle = false
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@pour_failed = false
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end
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def pour_bottle? install_bottle_options={:warn=>false}
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return false if @pour_failed
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return true if force_bottle? && f.bottle
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return false if build_from_source? || build_bottle?
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return false unless options.empty?
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return true if f.local_bottle_path
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return false unless f.bottle && f.pour_bottle?
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unless f.bottle.compatible_cellar?
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if install_bottle_options[:warn]
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opoo "Building source; cellar of #{f}'s bottle is #{f.bottle.cellar}"
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end
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return false
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end
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true
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end
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def install_bottle_for_dep?(dep, build)
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return false if build_from_source?
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return false unless dep.bottle && dep.pour_bottle?
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return false unless build.used_options.empty?
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return false unless dep.bottle.compatible_cellar?
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return true
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end
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def prelude
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verify_deps_exist unless ignore_deps?
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lock
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check_install_sanity
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end
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def verify_deps_exist
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f.recursive_dependencies.map(&:to_formula)
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rescue TapFormulaUnavailableError => e
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Homebrew.install_tap(e.user, e.repo)
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retry
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rescue FormulaUnavailableError => e
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e.dependent = f.name
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raise
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end
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def check_install_sanity
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raise FormulaInstallationAlreadyAttemptedError, f if @@attempted.include? f
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if f.installed?
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msg = "#{f}-#{f.installed_version} already installed"
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msg << ", it's just not linked" unless f.linked_keg.symlink? or f.keg_only?
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raise FormulaAlreadyInstalledError, msg
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end
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# Building head-only without --HEAD is an error
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if not ARGV.build_head? and f.stable.nil?
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raise CannotInstallFormulaError, <<-EOS.undent
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#{f} is a head-only formula
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Install with `brew install --HEAD #{f.name}
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EOS
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end
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# Building stable-only with --HEAD is an error
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if ARGV.build_head? and f.head.nil?
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raise CannotInstallFormulaError, "No head is defined for #{f.name}"
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end
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unless ignore_deps?
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unlinked_deps = f.recursive_dependencies.map(&:to_formula).select do |dep|
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dep.installed? and not dep.keg_only? and not dep.linked_keg.directory?
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end
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raise CannotInstallFormulaError,
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"You must `brew link #{unlinked_deps*' '}' before #{f} can be installed" unless unlinked_deps.empty?
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end
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end
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def build_bottle_preinstall
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@etc_var_glob ||= "#{HOMEBREW_PREFIX}/{etc,var}/**/*"
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@etc_var_preinstall = Dir[@etc_var_glob]
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end
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def build_bottle_postinstall
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@etc_var_postinstall = Dir[@etc_var_glob]
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(@etc_var_postinstall - @etc_var_preinstall).each do |file|
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Pathname.new(file).cp_path_sub(HOMEBREW_PREFIX, f.bottle_prefix)
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end
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end
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def install
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# not in initialize so upgrade can unlink the active keg before calling this
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# function but after instantiating this class so that it can avoid having to
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# relink the active keg if possible (because it is slow).
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if f.linked_keg.directory?
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# some other version is already installed *and* linked
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raise CannotInstallFormulaError, <<-EOS.undent
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#{f}-#{f.linked_keg.realpath.basename} already installed
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To install this version, first `brew unlink #{f}'
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EOS
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end
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check_conflicts
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compute_and_install_dependencies unless ignore_deps?
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return if only_deps?
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if build_bottle? && (arch = ARGV.bottle_arch) && !Hardware::CPU.optimization_flags.include?(arch)
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raise "Unrecognized architecture for --bottle-arch: #{arch}"
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end
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oh1 "Installing #{Tty.green}#{f}#{Tty.reset}" if show_header?
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@@attempted << f
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begin
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if pour_bottle? :warn => true
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pour
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@poured_bottle = true
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stdlibs = Keg.new(f.prefix).detect_cxx_stdlibs
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stdlib_in_use = CxxStdlib.new(stdlibs.first, MacOS.default_compiler)
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begin
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stdlib_in_use.check_dependencies(f, f.recursive_dependencies)
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rescue IncompatibleCxxStdlibs => e
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opoo e.message
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end
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stdlibs = Keg.new(f.prefix).detect_cxx_stdlibs :skip_executables => true
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tab = Tab.for_keg f.prefix
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tab.poured_from_bottle = true
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tab.tabfile.delete if tab.tabfile
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tab.write
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end
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rescue => e
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raise e if ARGV.homebrew_developer?
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@pour_failed = true
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onoe e.message
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opoo "Bottle installation failed: building from source."
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end
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build_bottle_preinstall if build_bottle?
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unless @poured_bottle
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compute_and_install_dependencies if @pour_failed and not ignore_deps?
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build
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clean
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end
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build_bottle_postinstall if build_bottle?
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opoo "Nothing was installed to #{f.prefix}" unless f.installed?
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end
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# HACK: If readline is present in the dependency tree, it will clash
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# with the stdlib's Readline module when the debugger is loaded
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def perform_readline_hack
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if f.recursive_dependencies.any? { |d| d.name == "readline" } && debug?
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ENV['HOMEBREW_NO_READLINE'] = '1'
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end
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end
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def check_conflicts
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return if ARGV.force?
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conflicts = f.conflicts.reject do |c|
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keg = Formula.factory(c.name).prefix
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not keg.directory? && Keg.new(keg).linked?
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end
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raise FormulaConflictError.new(f, conflicts) unless conflicts.empty?
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end
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def compute_and_install_dependencies
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perform_readline_hack
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req_map, req_deps = expand_requirements
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check_requirements(req_map)
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deps = [].concat(req_deps).concat(f.deps)
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deps = expand_dependencies(deps)
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if deps.empty? and only_deps?
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puts "All dependencies for #{f} are satisfied."
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else
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install_dependencies(deps)
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end
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end
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def check_requirements(req_map)
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fatals = []
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req_map.each_pair do |dependent, reqs|
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reqs.each do |req|
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puts "#{dependent}: #{req.message}"
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fatals << req if req.fatal?
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end
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end
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raise UnsatisfiedRequirements.new(f, fatals) unless fatals.empty?
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end
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def expand_requirements
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unsatisfied_reqs = Hash.new { |h, k| h[k] = [] }
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deps = []
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formulae = [f]
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while f = formulae.pop
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ARGV.filter_for_dependencies do
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f.recursive_requirements do |dependent, req|
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build = effective_build_options_for(dependent)
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if (req.optional? || req.recommended?) && build.without?(req)
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Requirement.prune
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elsif req.build? && dependent == f && pour_bottle?
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Requirement.prune
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elsif req.build? && dependent != f && install_bottle_for_dep?(dependent, build)
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Requirement.prune
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elsif req.satisfied?
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Requirement.prune
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elsif req.default_formula?
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dep = req.to_dependency
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deps.unshift(dep)
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formulae.unshift(dep.to_formula)
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Requirement.prune
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else
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unsatisfied_reqs[dependent] << req
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end
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end
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end
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end
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return unsatisfied_reqs, deps
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end
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def expand_dependencies(deps)
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inherited_options = {}
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expanded_deps = ARGV.filter_for_dependencies do
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Dependency.expand(f, deps) do |dependent, dep|
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options = inherited_options[dep] = inherited_options_for(dep)
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build = effective_build_options_for(dependent)
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if (dep.optional? || dep.recommended?) && build.without?(dep)
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Dependency.prune
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elsif dep.build? && dependent == f && pour_bottle?
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Dependency.prune
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elsif dep.build? && dependent != f && install_bottle_for_dep?(dependent, build)
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Dependency.prune
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elsif dep.satisfied?(options)
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Dependency.skip
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elsif dep.installed?
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raise UnsatisfiedDependencyError.new(f, dep, options)
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end
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end
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end
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expanded_deps.map { |dep| [dep, inherited_options[dep]] }
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end
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def effective_build_options_for(dependent)
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if dependent == f
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build = dependent.build.dup
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build.args |= options
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build
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else
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dependent.build
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end
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end
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def inherited_options_for(dep)
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options = Options.new
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if f.build.universal? && !dep.build? && dep.to_formula.build.has_option?("universal")
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options << Option.new("universal")
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end
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options
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end
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def install_dependencies(deps)
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if deps.length > 1
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oh1 "Installing dependencies for #{f}: #{Tty.green}#{deps.map(&:first)*", "}#{Tty.reset}"
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end
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ARGV.filter_for_dependencies do
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deps.each { |dep, options| install_dependency(dep, options) }
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end
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@show_header = true unless deps.empty?
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end
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class DependencyInstaller < FormulaInstaller
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def initialize ff
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super
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@ignore_deps = true
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end
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def sanitized_ARGV_options
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args = super
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args.delete "--ignore-dependencies"
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args
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end
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end
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def install_dependency(dep, inherited_options)
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df = dep.to_formula
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outdated_keg = Keg.new(df.linked_keg.realpath) rescue nil
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fi = DependencyInstaller.new(df)
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fi.options |= Tab.for_formula(df).used_options
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fi.options |= dep.options
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fi.options |= inherited_options
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fi.build_from_source = build_from_source?
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fi.verbose = verbose? unless verbose == :quieter
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fi.debug = debug?
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fi.prelude
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oh1 "Installing #{f} dependency: #{Tty.green}#{dep.name}#{Tty.reset}"
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outdated_keg.unlink if outdated_keg
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fi.install
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fi.caveats
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fi.finish
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ensure
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# restore previous installation state if build failed
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outdated_keg.link if outdated_keg and not df.installed? rescue nil
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end
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def caveats
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return if only_deps?
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if ARGV.homebrew_developer? and not f.keg_only?
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audit_bin
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audit_sbin
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audit_lib
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audit_man
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audit_info
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end
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c = Caveats.new(f)
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unless c.empty?
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@show_summary_heading = true
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ohai 'Caveats', c.caveats
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end
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end
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def finish
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return if only_deps?
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ohai 'Finishing up' if verbose?
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install_plist
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if f.keg_only?
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begin
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Keg.new(f.prefix).optlink
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rescue Exception
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onoe "Failed to create: #{f.opt_prefix}"
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puts "Things that depend on #{f} will probably not build."
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end
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else
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link
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end
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fix_install_names if OS.mac?
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post_install
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ohai "Summary" if verbose? or show_summary_heading?
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puts summary
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ensure
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unlock if hold_locks?
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end
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def emoji
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ENV['HOMEBREW_INSTALL_BADGE'] || "\xf0\x9f\x8d\xba"
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end
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def summary
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s = ""
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s << "#{emoji} " if MacOS.version >= :lion and not ENV['HOMEBREW_NO_EMOJI']
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s << "#{f.prefix}: #{f.prefix.abv}"
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s << ", built in #{pretty_duration build_time}" if build_time
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s
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end
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def build_time
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@build_time ||= Time.now - @start_time if @start_time && !interactive?
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end
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def sanitized_ARGV_options
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args = []
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args << "--ignore-dependencies" if ignore_deps?
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if build_bottle?
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args << "--build-bottle"
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args << "--bottle-arch=#{ARGV.bottle_arch}" if ARGV.bottle_arch
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end
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if interactive?
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args << "--interactive"
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args << "--git" if interactive == :git
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end
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args << "--verbose" if verbose?
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args << "--debug" if debug?
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args << "--cc=#{ARGV.cc}" if ARGV.cc
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args << "--env=#{ARGV.env}" if ARGV.env
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args << "--HEAD" if ARGV.build_head?
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args << "--devel" if ARGV.build_devel?
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args
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end
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def build_argv
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opts = Options.coerce(sanitized_ARGV_options)
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opts.concat(options)
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opts
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end
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def build
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FileUtils.rm Dir["#{HOMEBREW_LOGS}/#{f}/*"]
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@start_time = Time.now
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# 1. formulae can modify ENV, so we must ensure that each
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# installation has a pristine ENV when it starts, forking now is
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# the easiest way to do this
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# 2. formulae have access to __END__ the only way to allow this is
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# to make the formula script the executed script
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read, write = IO.pipe
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# I'm guessing this is not a good way to do this, but I'm no UNIX guru
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ENV['HOMEBREW_ERROR_PIPE'] = write.to_i.to_s
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args = %W[
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nice #{RUBY_PATH}
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-W0
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-I #{File.dirname(__FILE__)}
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-rbuild
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--
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#{f.path}
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].concat(build_argv)
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# Ruby 2.0+ sets close-on-exec on all file descriptors except for
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# 0, 1, and 2 by default, so we have to specify that we want the pipe
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# to remain open in the child process.
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args << { write => write } if RUBY_VERSION >= "2.0"
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fork do
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begin
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read.close
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exec(*args)
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rescue Exception => e
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Marshal.dump(e, write)
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write.close
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exit! 1
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end
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end
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ignore_interrupts(:quietly) do # the fork will receive the interrupt and marshall it back
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write.close
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Process.wait
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data = read.read
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read.close
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raise Marshal.load(data) unless data.nil? or data.empty?
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raise Interrupt if $?.exitstatus == 130
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raise "Suspicious installation failure" unless $?.success?
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end
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raise "Empty installation" if Dir["#{f.prefix}/*"].empty?
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rescue Exception
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ignore_interrupts do
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# any exceptions must leave us with nothing installed
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f.prefix.rmtree if f.prefix.directory?
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f.rack.rmdir_if_possible
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end
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raise
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end
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def link
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if f.linked_keg.directory? and f.linked_keg.realpath == f.prefix
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opoo "This keg was marked linked already, continuing anyway"
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# otherwise Keg.link will bail
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f.linked_keg.unlink
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end
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keg = Keg.new(f.prefix)
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begin
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keg.link
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rescue Exception => e
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onoe "The `brew link` step did not complete successfully"
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puts "The formula built, but is not symlinked into #{HOMEBREW_PREFIX}"
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puts "You can try again using `brew link #{f.name}'"
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puts
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puts "Possible conflicting files are:"
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mode = OpenStruct.new(:dry_run => true, :overwrite => true)
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keg.link(mode)
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ohai e, e.backtrace if debug?
|
|
@show_summary_heading = true
|
|
ignore_interrupts{ keg.unlink }
|
|
raise unless e.kind_of? RuntimeError
|
|
end
|
|
end
|
|
|
|
def install_plist
|
|
return unless f.plist
|
|
# A plist may already exist if we are installing from a bottle
|
|
f.plist_path.unlink if f.plist_path.exist?
|
|
f.plist_path.write f.plist
|
|
f.plist_path.chmod 0644
|
|
end
|
|
|
|
def fix_install_names
|
|
keg = Keg.new(f.prefix)
|
|
keg.fix_install_names(:keg_only => f.keg_only?)
|
|
|
|
if @poured_bottle
|
|
keg.relocate_install_names Keg::PREFIX_PLACEHOLDER, HOMEBREW_PREFIX.to_s,
|
|
Keg::CELLAR_PLACEHOLDER, HOMEBREW_CELLAR.to_s, :keg_only => f.keg_only?
|
|
end
|
|
rescue Exception => e
|
|
onoe "Failed to fix install names"
|
|
puts "The formula built, but you may encounter issues using it or linking other"
|
|
puts "formula against it."
|
|
ohai e, e.backtrace if debug?
|
|
@show_summary_heading = true
|
|
end
|
|
|
|
def clean
|
|
ohai "Cleaning" if verbose?
|
|
Cleaner.new(f).clean
|
|
rescue Exception => e
|
|
opoo "The cleaning step did not complete successfully"
|
|
puts "Still, the installation was successful, so we will link it into your prefix"
|
|
ohai e, e.backtrace if debug?
|
|
@show_summary_heading = true
|
|
end
|
|
|
|
def post_install
|
|
f.post_install
|
|
rescue Exception => e
|
|
opoo "The post-install step did not complete successfully"
|
|
puts "You can try again using `brew postinstall #{f.name}`"
|
|
ohai e, e.backtrace if debug?
|
|
@show_summary_heading = true
|
|
end
|
|
|
|
def pour
|
|
if f.local_bottle_path
|
|
downloader = LocalBottleDownloadStrategy.new(f)
|
|
else
|
|
bottle = f.bottle
|
|
downloader = bottle.downloader
|
|
bottle.verify_download_integrity(bottle.fetch)
|
|
end
|
|
HOMEBREW_CELLAR.cd do
|
|
downloader.stage
|
|
end
|
|
|
|
Dir["#{f.bottle_prefix}/{etc,var}/**/*"].each do |file|
|
|
path = Pathname.new(file)
|
|
path.extend(InstallRenamed)
|
|
path.cp_path_sub(f.bottle_prefix, HOMEBREW_PREFIX)
|
|
end
|
|
FileUtils.rm_rf f.bottle_prefix
|
|
end
|
|
|
|
## checks
|
|
|
|
def print_check_output warning_and_description
|
|
return unless warning_and_description
|
|
warning, description = *warning_and_description
|
|
opoo warning
|
|
puts description
|
|
@show_summary_heading = true
|
|
end
|
|
|
|
def audit_bin
|
|
print_check_output(check_PATH(f.bin)) unless f.keg_only?
|
|
print_check_output(check_non_executables(f.bin))
|
|
print_check_output(check_generic_executables(f.bin))
|
|
end
|
|
|
|
def audit_sbin
|
|
print_check_output(check_PATH(f.sbin)) unless f.keg_only?
|
|
print_check_output(check_non_executables(f.sbin))
|
|
print_check_output(check_generic_executables(f.sbin))
|
|
end
|
|
|
|
def audit_lib
|
|
print_check_output(check_jars)
|
|
print_check_output(check_non_libraries)
|
|
end
|
|
|
|
def audit_man
|
|
print_check_output(check_manpages)
|
|
end
|
|
|
|
def audit_info
|
|
print_check_output(check_infopages)
|
|
end
|
|
|
|
private
|
|
|
|
def hold_locks?
|
|
@hold_locks || false
|
|
end
|
|
|
|
def lock
|
|
if (@@locked ||= []).empty?
|
|
f.recursive_dependencies.each do |dep|
|
|
@@locked << dep.to_formula
|
|
end unless ignore_deps?
|
|
@@locked.unshift(f)
|
|
@@locked.each(&:lock)
|
|
@hold_locks = true
|
|
end
|
|
end
|
|
|
|
def unlock
|
|
if hold_locks?
|
|
@@locked.each(&:unlock)
|
|
@@locked.clear
|
|
@hold_locks = false
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
class Formula
|
|
def keg_only_text
|
|
s = "This formula is keg-only, so it was not symlinked into #{HOMEBREW_PREFIX}."
|
|
s << "\n\n#{keg_only_reason.to_s}"
|
|
if lib.directory? or include.directory?
|
|
s <<
|
|
<<-EOS.undent_________________________________________________________72
|
|
|
|
|
|
Generally there are no consequences of this for you. If you build your
|
|
own software and it requires this formula, you'll need to add to your
|
|
build variables:
|
|
|
|
EOS
|
|
s << " LDFLAGS: -L#{HOMEBREW_PREFIX}/opt/#{name}/lib\n" if lib.directory?
|
|
s << " CPPFLAGS: -I#{HOMEBREW_PREFIX}/opt/#{name}/include\n" if include.directory?
|
|
end
|
|
s << "\n"
|
|
end
|
|
end
|