Class: Keg Private

Inherits:
Object show all
Extended by:
Cachable, Forwardable
Includes:
OS::Mac::Keg
Defined in:
extend/os/linux/keg.rb,
extend/os/linux/keg_relocate.rb,
keg.rb,
os/mac/keg.rb,
keg_relocate.rb,
keg.rbi,
sorbet/rbi/dsl/keg.rbi

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.

Defined Under Namespace

Classes: AlreadyLinkedError, ConflictError, DirectoryNotWritableError, LinkError, Relocation

Constant Summary collapse

LOCALEDIR_RX =

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

Locale-specific directories have the form language[_territory][.codeset][@modifier]

%r{(locale|man)/([a-z]{2}|C|POSIX)(_[A-Z]{2})?(\.[a-zA-Z\-0-9]+(@.+)?)?}
INFOFILE_RX =

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

%r{info/([^.].*?\.info(\.gz)?|dir)$}
SHARE_PATHS =

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

These paths relative to the keg's share directory should always be real directories in the prefix, never symlinks.

%w[
  aclocal doc info java locale man
  man/man1 man/man2 man/man3 man/man4
  man/man5 man/man6 man/man7 man/man8
  man/cat1 man/cat2 man/cat3 man/cat4
  man/cat5 man/cat6 man/cat7 man/cat8
  applications gnome gnome/help icons
  mime-info pixmaps sounds postgresql
].freeze
ELISP_EXTENSIONS =

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

%w[.el .elc].freeze
PYC_EXTENSIONS =

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

%w[.pyc .pyo].freeze
LIBTOOL_EXTENSIONS =

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

%w[.la .lai].freeze
PREFIX_PLACEHOLDER =

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

"@@HOMEBREW_PREFIX@@"
CELLAR_PLACEHOLDER =

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

"@@HOMEBREW_CELLAR@@"
REPOSITORY_PLACEHOLDER =

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

"@@HOMEBREW_REPOSITORY@@"
LIBRARY_PLACEHOLDER =

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

"@@HOMEBREW_LIBRARY@@"
PERL_PLACEHOLDER =

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

"@@HOMEBREW_PERL@@"
JAVA_PLACEHOLDER =

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

"@@HOMEBREW_JAVA@@"
NULL_BYTE =

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

"\x00"
NULL_BYTE_STRING =

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

"\\x00"
JAVA_REGEX =

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

%r{#{HOMEBREW_PREFIX}/opt/openjdk(@\d+(\.\d+)*)?/libexec(/openjdk\.jdk/Contents/Home)?}

Constants included from OS::Mac::Keg

OS::Mac::Keg::FRAMEWORK_RX, OS::Mac::Keg::VARIABLE_REFERENCE_RX

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Cachable

cache, clear_cache

Methods included from OS::Mac::Keg

#dylib_id_for, #each_linkage_for, #find_dylib, #find_dylib_suffix_from, #fixed_name, #loader_name_for, #mach_o_files, #prepare_codesign_writable_files, #relocated_name_for

Methods included from SystemCommand::Mixin

#system_command, #system_command!

Constructor Details

#initialize(path) ⇒ void

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

Parameters:



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# File 'keg.rb', line 173

def initialize(path)
  path = path.resolved_path if path.to_s.start_with?("#{HOMEBREW_PREFIX}/opt/")
  raise "#{path} is not a valid keg" if path.parent.parent.realpath != HOMEBREW_CELLAR.realpath
  raise "#{path} is not a directory" unless path.directory?

  @path = path
  @name = path.parent.basename.to_s
  @linked_keg_record = HOMEBREW_LINKED_KEGS/name
  @opt_record = HOMEBREW_PREFIX/"opt/#{name}"
  @oldname_opt_records = []
  @require_relocation = false
end

Instance Attribute Details

#linked_keg_record ⇒ 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 'keg.rb', line 162

def linked_keg_record
  @linked_keg_record
end

#name ⇒ 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 'keg.rb', line 162

def name
  @name
end

#opt_record ⇒ 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 'keg.rb', line 162

def opt_record
  @opt_record
end

Class Method Details

.all ⇒ 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 'keg.rb', line 113

def self.all
  Formula.racks.flat_map(&:subdirs).map { |d| new(d) }
end

.file_linked_libraries(_file, _string) ⇒ 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 'keg_relocate.rb', line 365

def self.file_linked_libraries(_file, _string)
  []
end

.for(path) ⇒ 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.

Parameters:

  • path —

    if this is a file in a keg, returns the containing Keg object.

Raises:

  • (Errno::ENOENT) 


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# File 'keg.rb', line 99

def self.for(path)
  original_path = path
  raise Errno::ENOENT, original_path.to_s unless original_path.exist?

  if (path = original_path.realpath)
    until path.root?
      return Keg.new(path) if path.parent.parent == HOMEBREW_CELLAR.realpath

      path = path.parent.realpath # realpath() prevents root? failing
    end
  end
  raise NotAKegError, "#{original_path} is not inside a keg"
end

.keg_link_directories ⇒ 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 'keg.rb', line 117

def self.keg_link_directories
  @keg_link_directories ||= %w[
    bin etc include lib sbin share var
  ].freeze
end

.must_be_writable_directories ⇒ 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.

Keep relatively in sync with https://github.com/Homebrew/install/blob/HEAD/install.sh



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# File 'keg.rb', line 142

def self.must_be_writable_directories
  @must_be_writable_directories ||= (
  %w[
    etc/bash_completion.d lib/pkgconfig
    share/aclocal share/doc share/info share/locale share/man
    share/man/man1 share/man/man2 share/man/man3 share/man/man4
    share/man/man5 share/man/man6 share/man/man7 share/man/man8
    share/zsh share/zsh/site-functions
    var/log
  ].map { |dir| HOMEBREW_PREFIX/dir } + must_exist_subdirectories + [
    HOMEBREW_CACHE,
    HOMEBREW_CELLAR,
    HOMEBREW_LOCKS,
    HOMEBREW_LOGS,
    HOMEBREW_REPOSITORY,
    Language::Python.homebrew_site_packages,
  ]
).sort.uniq.freeze
end

.must_exist_directories ⇒ 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.

Keep relatively in sync with https://github.com/Homebrew/install/blob/HEAD/install.sh



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# File 'keg.rb', line 134

def self.must_exist_directories
  @must_exist_directories ||= (must_exist_subdirectories + [
    HOMEBREW_CELLAR,
  ].sort.uniq).freeze
end

.must_exist_subdirectories ⇒ 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 'keg.rb', line 123

def self.must_exist_subdirectories
  @must_exist_subdirectories ||= (
  keg_link_directories - %w[var] + %w[
    opt
    var/homebrew/linked
  ]
).map { |dir| HOMEBREW_PREFIX/dir }.sort.uniq.freeze
end

.text_matches_in_file(file, string, ignores, linked_libraries, formula_and_runtime_deps_names) ⇒ 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 'keg_relocate.rb', line 326

def self.text_matches_in_file(file, string, ignores, linked_libraries, formula_and_runtime_deps_names)
  text_matches = []
  path_regex = Relocation.path_to_regex(string)
  Utils.popen_read("strings", "-t", "x", "-", file.to_s) do |io|
    until io.eof?
      str = io.readline.chomp
      next if ignores.any? { |i| str.match?(i) }
      next unless str.match? path_regex

      offset, match = str.split(" ", 2)

      # Some binaries contain strings with lists of files
      # e.g. `/usr/local/lib/foo:/usr/local/share/foo:/usr/lib/foo`
      # Each item in the list should be checked separately
      match.split(":").each do |sub_match|
        # Not all items in the list may be matches
        next unless sub_match.match? path_regex
        next if linked_libraries.include? sub_match # Don't bother reporting a string if it was found by otool

        # Do not report matches to files that do not exist.
        next unless File.exist? sub_match

        # Do not report matches to build dependencies.
        if formula_and_runtime_deps_names.present?
          begin
            keg_name = Keg.for(Pathname.new(sub_match)).name
            next unless formula_and_runtime_deps_names.include? keg_name
          rescue NotAKegError
            nil
          end
        end

        text_matches << [match, offset] unless text_matches.any? { |text| text.last == offset }
      end
    end
  end
  text_matches
end

Instance Method Details

#/(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 10

def /(*args, &block); end

#abv(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 13

def abv(*args, &block); end

#aliases ⇒ 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 'keg.rb', line 533

def aliases
  tab.aliases || []
end

#apps ⇒ Array<Pathname>

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

Returns:



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# File 'keg.rb', line 380

def apps
  app_prefix = optlinked? ? opt_record : path
  Pathname.glob("#{app_prefix}/{,libexec/}*.app")
end

#binary_executable_or_library_files ⇒ Array<Pathname>

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

Returns:



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

def binary_executable_or_library_files
  elf_files
end

#binary_file?(file) ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg_relocate.rb', line 242

def binary_file?(file)
  grep_bin, grep_args = egrep_args

  # We need to pass NULL_BYTE_STRING, the literal string "\x00", to grep
  # rather than NULL_BYTE, a literal null byte, because grep will internally
  # convert the literal string "\x00" to a null byte.
  Utils.popen_read(grep_bin, *grep_args, NULL_BYTE_STRING, file).present?
end

#change_dylib_id(id, file) ⇒ Boolean

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

Parameters:

Returns:

  • (Boolean) 


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# File 'os/mac/keg.rb', line 6

def change_dylib_id(id, file)
  return false if file.dylib_id == id

  @require_relocation = true
  odebug "Changing dylib ID of #{file}\n  from #{file.dylib_id}\n    to #{id}"
  file.change_dylib_id(id, strict: false)
  true
rescue MachO::MachOError
  onoe <<~EOS
    Failed changing dylib ID of #{file}
      from #{file.dylib_id}
        to #{id}
  EOS
  raise
end

#change_install_name(old, new, file) ⇒ Boolean

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

Parameters:

Returns:

  • (Boolean) 


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# File 'os/mac/keg.rb', line 23

def change_install_name(old, new, file)
  return false if old == new

  @require_relocation = true
  odebug "Changing install name in #{file}\n  from #{old}\n    to #{new}"
  file.change_install_name(old, new, strict: false)
  true
rescue MachO::MachOError
  onoe <<~EOS
    Failed changing install name in #{file}
      from #{old}
        to #{new}
  EOS
  raise
end

#change_rpath(old, new, file) ⇒ 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 'extend/os/linux/keg_relocate.rb', line 20

def change_rpath(file, old_prefix, new_prefix)
  return false if !file.elf? || !file.dynamic_elf?

  updated = {}
  old_rpath = file.rpath
  new_rpath = if old_rpath
    rpath = old_rpath.split(":")
                     .map { |x| x.sub(old_prefix, new_prefix) }
                     .select { |x| x.start_with?(new_prefix, "$ORIGIN") }

    lib_path = "#{new_prefix}/lib"
    rpath << lib_path unless rpath.include? lib_path

    # Add GCC's lib directory (as of GCC 12+) to RPATH when there is existing versioned linkage.
    # This prevents broken linkage when pouring bottles built with an old GCC formula.
    unless name.match?(Version.formula_optionally_versioned_regex(:gcc))
      rpath.map! { |rp| rp.sub(%r{lib/gcc/\d+$}, "lib/gcc/current") }
    end

    rpath.join(":")
  end
  updated[:rpath] = new_rpath if old_rpath != new_rpath

  old_interpreter = file.interpreter
  new_interpreter = if old_interpreter.nil?
    nil
  elsif File.readable? "#{new_prefix}/lib/ld.so"
    "#{new_prefix}/lib/ld.so"
  else
    old_interpreter.sub old_prefix, new_prefix
  end
  updated[:interpreter] = new_interpreter if old_interpreter != new_interpreter

  file.patch!(interpreter: updated[:interpreter], rpath: updated[:rpath])
  true
end

#codesign_patched_binary(file) ⇒ 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 'keg.rb', line 561

def codesign_patched_binary(file); end

#completion_installed?(shell) ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 350

def completion_installed?(shell)
  dir = case shell
  when :bash then path/"etc/bash_completion.d"
  when :fish then path/"share/fish/vendor_completions.d"
  when :zsh
    dir = path/"share/zsh/site-functions"
    dir if dir.directory? && dir.children.any? { |f| f.basename.to_s.start_with?("_") }
  end
  dir&.directory? && !dir.children.empty?
end

#consistent_reproducible_symlink_permissions! ⇒ 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 'keg.rb', line 511

def consistent_reproducible_symlink_permissions!; end

#delete_pyc_files! ⇒ 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 'keg.rb', line 552

def delete_pyc_files!
  path.find { |pn| pn.delete if PYC_EXTENSIONS.include?(pn.extname) }
  path.find { |pn| FileUtils.rm_rf pn if pn.basename.to_s == "__pycache__" }
end

#delete_rpath(rpath, file) ⇒ Boolean

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

Parameters:

Returns:

  • (Boolean) 


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# File 'os/mac/keg.rb', line 56

def delete_rpath(rpath, file)
  odebug "Deleting rpath #{rpath} in #{file}"
  file.delete_rpath(rpath, strict: false)
  true
rescue MachO::MachOError
  onoe <<~EOS
    Failed deleting rpath #{rpath} in #{file}
  EOS
  raise
end

#detect_cxx_stdlibs(_options = {}) ⇒ Object

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



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# File 'extend/os/linux/keg_relocate.rb', line 57

def detect_cxx_stdlibs(options = {})
  skip_executables = options.fetch(:skip_executables, false)
  results = Set.new
  elf_files.each do |file|
    next unless file.dynamic_elf?
    next if file.binary_executable? && skip_executables

    dylibs = file.dynamically_linked_libraries
    results << :libcxx if dylibs.any? { |s| s.include? "libc++.so" }
    results << :libstdcxx if dylibs.any? { |s| s.include? "libstdc++.so" }
  end
  results.to_a
end

#directory?(*args, &block) ⇒ Boolean

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (Boolean) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 16

def directory?(*args, &block); end

#disk_usage(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 19

def disk_usage(*args, &block); end

#each_unique_file_matching(string) ⇒ 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 'keg_relocate.rb', line 226

def each_unique_file_matching(string)
  Utils.popen_read("fgrep", recursive_fgrep_args, string, to_s) do |io|
    hardlinks = Set.new

    until io.eof?
      file = Pathname.new(io.readline.chomp)
      # Don't return symbolic links.
      next if file.symlink?

      # To avoid returning hardlinks, only return files with unique inodes.
      # Hardlinks will have the same inode as the file they point to.
      yield file if hardlinks.add? file.stat.ino
    end
  end
end

#egrep_args ⇒ Object Also known as: generic_egrep_args

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 'keg_relocate.rb', line 214

def egrep_args
  grep_bin = "grep"
  grep_args = [
    "--files-with-matches",
    "--perl-regexp",
    "--binary-files=text",
  ]

  [grep_bin, grep_args]
end

#elf_files ⇒ 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 'extend/os/linux/keg_relocate.rb', line 71

def elf_files
  hardlinks = Set.new
  elf_files = []
  path.find do |pn|
    next if pn.symlink? || pn.directory?
    next if !pn.dylib? && !pn.binary_executable?

    # If we've already processed a file, ignore its hardlinks (which have the
    # same dev ID and inode). This prevents relocations from being performed
    # on a binary more than once.
    next unless hardlinks.add? [pn.stat.dev, pn.stat.ino]

    elf_files << pn
  end
  elf_files
end

#elisp_installed? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 385

def elisp_installed?
  return false unless (path/"share/emacs/site-lisp"/name).exist?

  (path/"share/emacs/site-lisp"/name).children.any? { |f| ELISP_EXTENSIONS.include? f.extname }
end

#empty_installation? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 204

def empty_installation?
  Pathname.glob("#{path}/*") do |file|
    return false if file.directory? && !file.children.reject(&:ds_store?).empty?

    basename = file.basename.to_s

    require "metafiles"
    next if Metafiles.copy?(basename)
    next if %w[.DS_Store INSTALL_RECEIPT.json].include?(basename)

    return false
  end

  true
end

#exist?(*args, &block) ⇒ Boolean

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (Boolean) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 22

def exist?(*args, &block); end

#file_count(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 25

def file_count(*args, &block); end

#find(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 28

def find(*args, &block); end

#fix_dynamic_linkage ⇒ Object Also known as: generic_fix_dynamic_linkage

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 'keg_relocate.rb', line 65

def fix_dynamic_linkage
  symlink_files.each do |file|
    link = file.readlink
    # Don't fix relative symlinks
    next unless link.absolute?

    link_starts_cellar = link.to_s.start_with?(HOMEBREW_CELLAR.to_s)
    link_starts_prefix = link.to_s.start_with?(HOMEBREW_PREFIX.to_s)
    next if !link_starts_cellar && !link_starts_prefix

    new_src = link.relative_path_from(file.parent)
    file.unlink
    FileUtils.ln_s(new_src, file)
  end
end

#functions_installed?(shell) ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 361

def functions_installed?(shell)
  case shell
  when :fish
    dir = path/"share/fish/vendor_functions.d"
    dir.directory? && !dir.children.empty?
  when :zsh
    # Check for non completion functions (i.e. files not started with an underscore),
    # since those can be checked separately
    dir = path/"share/zsh/site-functions"
    dir.directory? && dir.children.any? { |f| !f.basename.to_s.start_with?("_") }
  end
end

#join(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 34

def join(*args, &block); end

#lib ⇒ 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 'keg_relocate.rb', line 251

def lib
  path/"lib"
end

#libexec ⇒ 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 'keg_relocate.rb', line 255

def libexec
  path/"libexec"
end

#libtool_files ⇒ 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 'keg_relocate.rb', line 306

def libtool_files
  libtool_files = []

  path.find do |pn|
    next if pn.symlink? || pn.directory? || Keg::LIBTOOL_EXTENSIONS.exclude?(pn.extname)

    libtool_files << pn
  end
  libtool_files
end

#link(verbose: false, dry_run: false, overwrite: false) ⇒ 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 'keg.rb', line 422

def link(verbose: false, dry_run: false, overwrite: false)
  raise AlreadyLinkedError, self if linked_keg_record.directory?

  ObserverPathnameExtension.reset_counts!

  optlink(verbose:, dry_run:, overwrite:) unless dry_run

  # yeah indeed, you have to force anything you need in the main tree into
  # these dirs REMEMBER that *NOT* everything needs to be in the main tree
  link_dir("etc", verbose:, dry_run:, overwrite:) { :mkpath }
  link_dir("bin", verbose:, dry_run:, overwrite:) { :skip_dir }
  link_dir("sbin", verbose:, dry_run:, overwrite:) { :skip_dir }
  link_dir("include", verbose:, dry_run:, overwrite:) do |relative_path|
    case relative_path.to_s
    when /^postgresql@\d+/
      :mkpath
    else
      :link
    end
  end

  link_dir("share", verbose:, dry_run:, overwrite:) do |relative_path|
    case relative_path.to_s
    when INFOFILE_RX then :info
    when "locale/locale.alias",
         %r{^icons/.*/icon-theme\.cache$}
      :skip_file
    when LOCALEDIR_RX,
         %r{^icons/}, # all icons subfolders should also mkpath
         /^zsh/,
         /^fish/,
         %r{^lua/}, #  Lua, Lua51, Lua53 all need the same handling.
         %r{^guile/},
         /^postgresql@\d+/,
         *SHARE_PATHS
      :mkpath
    else
      :link
    end
  end

  link_dir("lib", verbose:, dry_run:, overwrite:) do |relative_path|
    case relative_path.to_s
    when "charset.alias"
      :skip_file
    when "pkgconfig", # pkg-config database gets explicitly created
         "cmake",     # cmake database gets explicitly created
         "dtrace",    # lib/language folders also get explicitly created
         /^gdk-pixbuf/,
         "ghc",
         /^gio/,
         /^lua/,
         /^mecab/,
         /^node/,
         /^ocaml/,
         /^perl5/,
         "php",
         /^postgresql@\d+/,
         /^python[23]\.\d+/,
         /^R/,
         /^ruby/
      :mkpath
    else
      # Everything else is symlinked to the cellar
      :link
    end
  end

  link_dir("Frameworks", verbose:, dry_run:, overwrite:) do |relative_path|
    # Frameworks contain symlinks pointing into a subdir, so we have to use
    # the :link strategy. However, for Foo.framework and
    # Foo.framework/Versions we have to use :mkpath so that multiple formulae
    # can link their versions into it and `brew [un]link` works.
    if relative_path.to_s.match?(%r{[^/]*\.framework(/Versions)?$})
      :mkpath
    else
      :link
    end
  end
  make_relative_symlink(linked_keg_record, path, verbose:, dry_run:, overwrite:) unless dry_run
rescue LinkError
  unlink(verbose:)
  raise
else
  ObserverPathnameExtension.n
end

#linked? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 224

def linked?
  linked_keg_record.symlink? &&
    linked_keg_record.directory? &&
    path == linked_keg_record.resolved_path
end

#lock ⇒ 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 'keg.rb', line 338

def lock
  FormulaLock.new(name).with_lock do
    oldname_locks = oldname_opt_records.map do |record|
      FormulaLock.new(record.basename.to_s)
    end
    oldname_locks.each(&:lock)
    yield
  ensure
    oldname_locks&.each(&:unlock)
  end
end

#oldname_opt_records ⇒ 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 'keg.rb', line 410

def oldname_opt_records
  return @oldname_opt_records unless @oldname_opt_records.empty?

  @oldname_opt_records = if (opt_dir = HOMEBREW_PREFIX/"opt").directory?
    opt_dir.subdirs.select do |dir|
      dir.symlink? && dir != opt_record && path.parent == dir.resolved_path.parent
    end
  else
    []
  end
end

#openjdk_dep_name_if_applicable ⇒ 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 'keg_relocate.rb', line 134

def openjdk_dep_name_if_applicable
  deps = runtime_dependencies
  return if deps.blank?

  dep_names = deps.map { |d| d["full_name"] }
  dep_names.find { |d| d.match? Version.formula_optionally_versioned_regex(:openjdk) }
end

#optlink(verbose: false, dry_run: false, overwrite: false) ⇒ 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 'keg.rb', line 537

def optlink(verbose: false, dry_run: false, overwrite: false)
  opt_record.delete if opt_record.symlink? || opt_record.exist?
  make_relative_symlink(opt_record, path, verbose:, dry_run:, overwrite:)
  aliases.each do |a|
    alias_opt_record = opt_record.parent/a
    alias_opt_record.delete if alias_opt_record.symlink? || alias_opt_record.exist?
    make_relative_symlink(alias_opt_record, path, verbose:, dry_run:, overwrite:)
  end

  oldname_opt_records.each do |record|
    record.delete
    make_relative_symlink(record, path, verbose:, dry_run:, overwrite:)
  end
end

#optlinked? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 235

def optlinked?
  opt_record.symlink? && path == opt_record.resolved_path
end

#plist_installed? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 375

def plist_installed?
  !Dir["#{path}/*.plist"].empty?
end

#prepare_debug_symbols ⇒ 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 'keg.rb', line 509

def prepare_debug_symbols; end

#prepare_relocation_to_locations ⇒ Object Also known as: generic_prepare_relocation_to_locations

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 'keg_relocate.rb', line 113

def prepare_relocation_to_locations
  relocation = Relocation.new
  relocation.add_replacement_pair(:prefix, PREFIX_PLACEHOLDER, HOMEBREW_PREFIX.to_s)
  relocation.add_replacement_pair(:cellar, CELLAR_PLACEHOLDER, HOMEBREW_CELLAR.to_s)
  relocation.add_replacement_pair(:repository, REPOSITORY_PLACEHOLDER, HOMEBREW_REPOSITORY.to_s)
  relocation.add_replacement_pair(:library, LIBRARY_PLACEHOLDER, HOMEBREW_LIBRARY.to_s)
  relocation.add_replacement_pair(:perl, PERL_PLACEHOLDER, "#{HOMEBREW_PREFIX}/opt/perl/bin/perl")
  if (openjdk = openjdk_dep_name_if_applicable)
    relocation.add_replacement_pair(:java, JAVA_PLACEHOLDER, "#{HOMEBREW_PREFIX}/opt/#{openjdk}/libexec")
  end

  relocation
end

#prepare_relocation_to_placeholders ⇒ Object Also known as: generic_prepare_relocation_to_placeholders

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 'keg_relocate.rb', line 88

def prepare_relocation_to_placeholders
  relocation = Relocation.new
  relocation.add_replacement_pair(:prefix, HOMEBREW_PREFIX.to_s, PREFIX_PLACEHOLDER, path: true)
  relocation.add_replacement_pair(:cellar, HOMEBREW_CELLAR.to_s, CELLAR_PLACEHOLDER, path: true)
  # when HOMEBREW_PREFIX == HOMEBREW_REPOSITORY we should use HOMEBREW_PREFIX for all relocations to avoid
  # being unable to differentiate between them.
  if HOMEBREW_PREFIX != HOMEBREW_REPOSITORY
    relocation.add_replacement_pair(:repository, HOMEBREW_REPOSITORY.to_s, REPOSITORY_PLACEHOLDER, path: true)
  end
  relocation.add_replacement_pair(:library, HOMEBREW_LIBRARY.to_s, LIBRARY_PLACEHOLDER, path: true)
  relocation.add_replacement_pair(:perl,
                                  %r{\A#![ \t]*(?:/usr/bin/perl\d\.\d+|#{HOMEBREW_PREFIX}/opt/perl/bin/perl)( |$)}o,
                                  "#!#{PERL_PLACEHOLDER}\\1")
  relocation.add_replacement_pair(:java, JAVA_REGEX, JAVA_PLACEHOLDER)

  relocation
end

#rack ⇒ 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 'keg.rb', line 186

def rack
  path.parent
end

#recursive_fgrep_args ⇒ 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 'keg_relocate.rb', line 209

def recursive_fgrep_args
  # for GNU grep; overridden for BSD grep on OS X
  "-lr"
end

#relocate_build_prefix(keg, old_prefix, new_prefix) ⇒ 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 'keg_relocate.rb', line 166

def relocate_build_prefix(keg, old_prefix, new_prefix)
  each_unique_file_matching(old_prefix) do |file|
    # Skip files which are not binary, as they do not need null padding.
    next unless keg.binary_file?(file)

    # Skip sharballs, which appear to break if patched.
    next if file.text_executable?

    # Split binary by null characters into array and substitute new prefix for old prefix.
    # Null padding is added if the new string is too short.
    file.ensure_writable do
      binary = File.binread file
      odebug "Replacing build prefix in: #{file}"
      binary_strings = binary.split(/#{NULL_BYTE}/o, -1)
      match_indices = binary_strings.each_index.select { |i| binary_strings.fetch(i).include?(old_prefix) }

      # Only perform substitution on strings which match prefix regex.
      match_indices.each do |i|
        s = binary_strings.fetch(i)
        binary_strings[i] = s.gsub(old_prefix, new_prefix)
                             .ljust(s.size, NULL_BYTE)
      end

      # Rejoin strings by null bytes.
      patched_binary = binary_strings.join(NULL_BYTE)
      if patched_binary.size != binary.size
        raise <<~EOS
          Patching failed!  Original and patched binary sizes do not match.
          Original size: #{binary.size}
          Patched size: #{patched_binary.size}
        EOS
      end

      file.atomic_write patched_binary
    end
    codesign_patched_binary(file)
  end
end

#relocate_dynamic_linkage(_relocation) ⇒ 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 'extend/os/linux/keg_relocate.rb', line 7

def relocate_dynamic_linkage(relocation)
  # Patching the dynamic linker of glibc breaks it.
  return if name.match? Version.formula_optionally_versioned_regex(:glibc)

  old_prefix, new_prefix = relocation.replacement_pair_for(:prefix)

  elf_files.each do |file|
    file.ensure_writable do
      change_rpath(file, old_prefix, new_prefix)
    end
  end
end

#remove_linked_keg_record ⇒ 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 'keg.rb', line 230

def remove_linked_keg_record
  linked_keg_record.unlink
  linked_keg_record.parent.rmdir_if_possible
end

#remove_old_aliases ⇒ 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 'keg.rb', line 239

def remove_old_aliases
  opt = opt_record.parent
  linkedkegs = linked_keg_record.parent

  tap = begin
    to_formula.tap
  rescue
    # If the formula can't be found, just ignore aliases for now.
    nil
  end

  if tap
    bad_tap_opt = opt/tap.user
    FileUtils.rm_rf bad_tap_opt if !bad_tap_opt.symlink? && bad_tap_opt.directory?
  end

  aliases.each do |a|
    # versioned aliases are handled below
    next if a.match?(/.+@./)

    remove_alias_symlink(opt/a, opt_record)
    remove_alias_symlink(linkedkegs/a, linked_keg_record)
  end

  Pathname.glob("#{opt_record}@*").each do |a|
    a = a.basename.to_s
    next if aliases.include?(a)

    remove_alias_symlink(opt/a, rack)
    remove_alias_symlink(linkedkegs/a, rack)
  end
end

#remove_oldname_opt_records ⇒ 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 'keg.rb', line 513

def remove_oldname_opt_records
  oldname_opt_records.reject! do |record|
    return false if record.resolved_path != path

    record.unlink
    record.parent.rmdir_if_possible
    true
  end
end

#remove_opt_record ⇒ 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 'keg.rb', line 272

def remove_opt_record
  opt_record.unlink
  opt_record.parent.rmdir_if_possible
end

#rename(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 37

def rename(*args, &block); end

#replace_locations_with_placeholders ⇒ 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 'keg_relocate.rb', line 107

def replace_locations_with_placeholders
  relocation = prepare_relocation_to_placeholders.freeze
  relocate_dynamic_linkage(relocation)
  replace_text_in_files(relocation)
end

#replace_placeholders_with_locations(files, skip_linkage: false) ⇒ 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 'keg_relocate.rb', line 128

def replace_placeholders_with_locations(files, skip_linkage: false)
  relocation = prepare_relocation_to_locations.freeze
  relocate_dynamic_linkage(relocation) unless skip_linkage
  replace_text_in_files(relocation, files:)
end

#replace_text_in_files(relocation, files: nil) ⇒ 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 'keg_relocate.rb', line 142

def replace_text_in_files(relocation, files: nil)
  files ||= text_files | libtool_files

  changed_files = T.let([], Array)
  files.map { path.join(_1) }.group_by { |f| f.stat.ino }.each_value do |first, *rest|
    s = first.open("rb", &:read)

    next unless relocation.replace_text(s)

    changed_files += [first, *rest].map { |file| file.relative_path_from(path) }

    begin
      first.atomic_write(s)
    rescue SystemCallError
      first.ensure_writable do
        first.open("wb") { |f| f.write(s) }
      end
    else
      rest.each { |file| FileUtils.ln(first, file, force: true) }
    end
  end
  changed_files
end

#require_relocation? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'keg.rb', line 220

def require_relocation?
  @require_relocation
end

#runtime_dependencies ⇒ Object

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



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# File 'keg.rb', line 528

def runtime_dependencies
  Keg.cache[:runtime_dependencies] ||= {}
  Keg.cache[:runtime_dependencies][path] ||= tab.runtime_dependencies
end

#scheme_and_version ⇒ 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.

For ordering kegs by version with .sort_by, .max_by, etc.

See Also:



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# File 'keg.rb', line 402

def scheme_and_version
  [version_scheme, version]
end

#symlink_files ⇒ 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 'keg_relocate.rb', line 317

def symlink_files
  symlink_files = []
  path.find do |pn|
    symlink_files << pn if pn.symlink?
  end

  symlink_files
end

#tab ⇒ Tab

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

Returns:



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# File 'keg.rb', line 524

def tab
  Tab.for_keg(self)
end

#text_files ⇒ 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 'keg_relocate.rb', line 259

def text_files
  text_files = []
  return text_files if !which("file") || !which("xargs")

  # file has known issues with reading files on other locales. Has
  # been fixed upstream for some time, but a sufficiently new enough
  # file with that fix is only available in macOS Sierra.
  # https://bugs.gw.com/view.php?id=292
  with_custom_locale("C") do
    files = Set.new path.find.reject { |pn|
      next true if pn.symlink?
      next true if pn.directory?
      next false if pn.basename.to_s == "orig-prefix.txt" # for python virtualenvs
      next true if pn == self/".brew/#{name}.rb"

      require "metafiles"
      next true if Metafiles::EXTENSIONS.include?(pn.extname)

      if pn.text_executable?
        text_files << pn
        next true
      end
      false
    }
    output, _status = Open3.capture2("xargs -0 file --no-dereference --print0",
                                     stdin_data: files.to_a.join("\0"))
    # `file` output sometimes contains data from the file, which may include
    # invalid UTF-8 entities, so tell Ruby this is just a bytestring
    output.force_encoding(Encoding::ASCII_8BIT)
    output.each_line do |line|
      path, info = line.split("\0", 2)
      # `file` sometimes prints more than one line of output per file;
      # subsequent lines do not contain a null-byte separator, so `info`
      # will be `nil` for those lines
      next unless info
      next unless info.include?("text")

      path = Pathname.new(path)
      next unless files.include?(path)

      text_files << path
    end
  end

  text_files
end

#to_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 'keg.rb', line 406

def to_formula
  Formulary.from_keg(self)
end

#to_path(*args, &block) ⇒ T.untyped

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

Parameters:

  • args (T.untyped)
  • block (T.untyped)

Returns:

  • (T.untyped) 


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# File 'sorbet/rbi/dsl/keg.rbi', line 40

def to_path(*args, &block); end

#uninstall(raise_failures: false) ⇒ 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 'keg.rb', line 277

def uninstall(raise_failures: false)
  CacheStoreDatabase.use(:linkage) do |db|
    break unless db.created?

    LinkageCacheStore.new(path, db).delete!
  end

  FileUtils.rm_r(path)
  path.parent.rmdir_if_possible
  remove_opt_record if optlinked?
  remove_linked_keg_record if linked?
  remove_old_aliases
  remove_oldname_opt_records
rescue Errno::EACCES, Errno::ENOTEMPTY
  raise if raise_failures

  odie <<~EOS
    Could not remove #{name} keg! Do so manually:
      sudo rm -rf #{path}
  EOS
end

#unlink(verbose: false, dry_run: false) ⇒ 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 'keg.rb', line 299

def unlink(verbose: false, dry_run: false)
  ObserverPathnameExtension.reset_counts!

  dirs = []

  keg_directories = self.class.keg_link_directories.map { |d| path/d }
                        .select(&:exist?)
  keg_directories.each do |dir|
    dir.find do |src|
      dst = HOMEBREW_PREFIX + src.relative_path_from(path)
      dst.extend(ObserverPathnameExtension)

      dirs << dst if dst.directory? && !dst.symlink?

      # check whether the file to be unlinked is from the current keg first
      next unless dst.symlink?
      next if src != dst.resolved_path

      if dry_run
        puts dst
        Find.prune if src.directory?
        next
      end

      dst.uninstall_info if dst.to_s.match?(INFOFILE_RX)
      dst.unlink
      Find.prune if src.directory?
    end
  end

  unless dry_run
    remove_old_aliases
    remove_linked_keg_record if linked?
    (dirs - self.class.must_exist_subdirectories).reverse_each(&:rmdir_if_possible)
  end

  ObserverPathnameExtension.n
end

#version ⇒ 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 'keg.rb', line 391

def version
  require "pkg_version"
  PkgVersion.parse(path.basename.to_s)
end

#version_scheme ⇒ 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 'keg.rb', line 396

def version_scheme
  @version_scheme ||= tab.version_scheme
end