Class: Build Private

Inherits:
Object show all
Defined in:
build.rb

Overview

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

A formula build.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(formula, options, args:) ⇒ Build

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

Returns a new instance of Build.



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# File 'build.rb', line 23

def initialize(formula, options, args:)
  @formula = formula
  @formula.build = BuildOptions.new(options, formula.options)
  @args = args

  if args.ignore_dependencies?
    @deps = []
    @reqs = []
  else
    @deps = expand_deps
    @reqs = expand_reqs
  end
end

Instance Attribute Details

#args ⇒ Object (readonly)

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



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# File 'build.rb', line 21

def args
  @args
end

#deps ⇒ Object (readonly)

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



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# File 'build.rb', line 21

def deps
  @deps
end

#formula ⇒ Object (readonly)

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



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# File 'build.rb', line 21

def formula
  @formula
end

#reqs ⇒ Object (readonly)

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



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# File 'build.rb', line 21

def reqs
  @reqs
end

Instance Method Details

#detect_stdlibs ⇒ Object

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



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# File 'build.rb', line 192

def detect_stdlibs
  keg = Keg.new(formula.prefix)

  # The stdlib recorded in the install receipt is used during dependency
  # compatibility checks, so we only care about the stdlib that libraries
  # link against.
  keg.detect_cxx_stdlibs(skip_executables: true)
end

#effective_build_options_for(dependent) ⇒ Object

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



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# File 'build.rb', line 37

def effective_build_options_for(dependent)
  args  = dependent.build.used_options
  args |= Tab.for_formula(dependent).used_options
  BuildOptions.new(args, dependent.options)
end

#expand_deps ⇒ Object

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



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# File 'build.rb', line 52

def expand_deps
  formula.recursive_dependencies do |dependent, dep|
    build = effective_build_options_for(dependent)
    if dep.prune_from_option?(build) ||
       dep.prune_if_build_and_not_dependent?(dependent, formula) ||
       (dep.test? && !dep.build?) || dep.implicit?
      Dependency.prune
    elsif dep.build?
      Dependency.keep_but_prune_recursive_deps
    end
  end
end

#expand_reqs ⇒ Object

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



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# File 'build.rb', line 43

def expand_reqs
  formula.recursive_requirements do |dependent, req|
    build = effective_build_options_for(dependent)
    if req.prune_from_option?(build) || req.prune_if_build_and_not_dependent?(dependent, formula) || req.test?
      Requirement.prune
    end
  end
end

#fixopt(formula) ⇒ Object

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



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# File 'build.rb', line 201

def fixopt(formula)
  path = if formula.linked_keg.directory? && formula.linked_keg.symlink?
    formula.linked_keg.resolved_path
  elsif formula.prefix.directory?
    formula.prefix
  elsif (kids = formula.rack.children).size == 1 && kids.first.directory?
    kids.first
  else
    raise
  end
  Keg.new(path).optlink(verbose: args.verbose?)
rescue
  raise "#{formula.opt_prefix} not present or broken\nPlease reinstall #{formula.full_name}. Sorry :("
end

#install ⇒ Object

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



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# File 'build.rb', line 65

def install
  formula_deps = deps.map(&:to_formula)
  keg_only_deps = formula_deps.select(&:keg_only?)
  run_time_deps = deps.reject(&:build?).map(&:to_formula)

  formula_deps.each do |dep|
    fixopt(dep) unless dep.opt_prefix.directory?
  end

  ENV.activate_extensions!(env: args.env)

  if superenv?(args.env)
    ENV.keg_only_deps = keg_only_deps
    ENV.deps = formula_deps
    ENV.run_time_deps = run_time_deps
    ENV.setup_build_environment(
      formula:,
      cc:            args.cc,
      build_bottle:  args.build_bottle?,
      bottle_arch:   args.bottle_arch,
      debug_symbols: args.debug_symbols?,
    )
    reqs.each do |req|
      req.modify_build_environment(
        env: args.env, cc: args.cc, build_bottle: args.build_bottle?, bottle_arch: args.bottle_arch,
      )
    end
  else
    ENV.setup_build_environment(
      formula:,
      cc:            args.cc,
      build_bottle:  args.build_bottle?,
      bottle_arch:   args.bottle_arch,
      debug_symbols: args.debug_symbols?,
    )
    reqs.each do |req|
      req.modify_build_environment(
        env: args.env, cc: args.cc, build_bottle: args.build_bottle?, bottle_arch: args.bottle_arch,
      )
    end

    keg_only_deps.each do |dep|
      ENV.prepend_path "PATH", dep.opt_bin.to_s
      ENV.prepend_path "PKG_CONFIG_PATH", "#{dep.opt_lib}/pkgconfig"
      ENV.prepend_path "PKG_CONFIG_PATH", "#{dep.opt_share}/pkgconfig"
      ENV.prepend_path "ACLOCAL_PATH", "#{dep.opt_share}/aclocal"
      ENV.prepend_path "CMAKE_PREFIX_PATH", dep.opt_prefix.to_s
      ENV.prepend "LDFLAGS", "-L#{dep.opt_lib}" if dep.opt_lib.directory?
      ENV.prepend "CPPFLAGS", "-I#{dep.opt_include}" if dep.opt_include.directory?
    end
  end

  new_env = {
    "TMPDIR" => HOMEBREW_TEMP,
    "TEMP"   => HOMEBREW_TEMP,
    "TMP"    => HOMEBREW_TEMP,
  }

  with_env(new_env) do
    if args.debug?
      require "debrew"
      formula.extend(Debrew::Formula)
    end

    formula.update_head_version

    formula.brew(
      fetch:         false,
      keep_tmp:      args.keep_tmp?,
      debug_symbols: args.debug_symbols?,
      interactive:   args.interactive?,
    ) do
      with_env(
        # For head builds, HOMEBREW_FORMULA_PREFIX should include the commit,
        # which is not known until after the formula has been staged.
        HOMEBREW_FORMULA_PREFIX:    formula.prefix,
        # https://reproducible-builds.org/docs/build-path/
        HOMEBREW_FORMULA_BUILDPATH: formula.buildpath,
        # https://reproducible-builds.org/docs/source-date-epoch/
        SOURCE_DATE_EPOCH:          formula.source_modified_time.to_i.to_s,
        # Avoid make getting confused about timestamps.
        # https://github.com/Homebrew/homebrew-core/pull/87470
        TZ:                         "UTC0",
      ) do
        formula.patch

        if args.git?
          system "git", "init"
          system "git", "add", "-A"
        end
        if args.interactive?
          ohai "Entering interactive mode..."
          puts <<~EOS
            Type `exit` to return and finalize the installation.
            Install to this prefix: #{formula.prefix}
          EOS

          if args.git?
            puts <<~EOS
              This directory is now a Git repository. Make your changes and then use:
                git diff | pbcopy
              to copy the diff to the clipboard.
            EOS
          end

          interactive_shell(formula)
        else
          formula.prefix.mkpath
          formula.logs.mkpath

          (formula.logs/"00.options.out").write \
            "#{formula.full_name} #{formula.build.used_options.sort.join(" ")}".strip
          formula.install

          stdlibs = detect_stdlibs
          tab = Tab.create(formula, ENV.compiler, stdlibs.first)
          tab.write

          # Find and link metafiles
          formula.prefix.install_metafiles formula.buildpath
          formula.prefix.install_metafiles formula.libexec if formula.libexec.exist?
        end
      end
    end
  end
end