Класс: Keg Приватный

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# File 'keg_relocate.rb', line 458

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

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# File 'keg.rb', line 118

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

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# File 'keg.rb', line 133

def self.from_rack(rack)
  return unless rack.directory?

  kegs = rack.subdirs.map { |d| new(d) }
  kegs.find(&:linked?) || kegs.find(&:optlinked?) || kegs.max_by(&:scheme_and_version)
end

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# File 'keg.rb', line 146

def self.keg_link_directories
  @keg_link_directories ||= T.let(%w[binetcincludelibsbinsharevar].freeze, T.nilable(T::Array[String]))
end

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# File 'keg.rb', line 172

def self.must_be_writable_directories
  @must_be_writable_directories ||= T.let((%w[etc/bash_completion.dlib/cpslib/pkgconfigshare/aclocalshare/docshare/infoshare/localeshare/manshare/man/man1share/man/man2share/man/man3share/man/man4share/man/man5share/man/man6share/man/man7share/man/man8share/cpsshare/zshshare/zsh/site-functionsshare/pwshshare/pwsh/completionsvar/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, T.nilable(T::Array[Pathname]))
end

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# File 'keg.rb', line 163

def self.must_exist_directories
  @must_exist_directories ||= T.let((must_exist_subdirectories + [
    HOMEBREW_CELLAR,
  ].sort.uniq).freeze, T.nilable(T::Array[Pathname]))
end

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# File 'keg.rb', line 153

def self.must_exist_subdirectories
  @must_exist_subdirectories ||= T.let((keg_link_directories - %w[var] + %w[optvar/homebrew/linked]).map { |dir| HOMEBREW_PREFIX/dir }.sort.uniq.freeze, T.nilable(T::Array[Pathname]))
end

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# File 'keg_relocate.rb', line 417

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)
      odie "Failed to parse strings output: #{str.inspect}" unless match

      # 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

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

def abv(*args, &block); end

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# File 'keg.rb', line 613

def aliases
  tab.aliases || []
end

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# File 'keg.rb', line 446

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

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# File 'keg.rb', line 699

def binary_executable_or_library_files
  []
end

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# File 'keg_relocate.rb', line 330

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

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# File 'keg.rb', line 704

def codesign_patched_binary(file); end

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# File 'keg.rb', line 412

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?("_") }
  when :pwsh then path/"share/pwsh/completions"
  end
  !dir.nil? && dir.directory? && !dir.children.empty?
end

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# File 'keg.rb', line 588

def consistent_reproducible_symlink_permissions!; end

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# File 'keg.rb', line 634

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

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# File 'keg_relocate.rb', line 290

def detect_cxx_stdlibs(_options = {})
  []
end

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

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

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

def disk_usage(*args, &block); end

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# File 'keg_relocate.rb', line 313

def each_unique_file_matching(string, &_block)
  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

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# File 'keg_relocate.rb', line 301

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

  [grep_bin, grep_args]
end

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# File 'keg.rb', line 452

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

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# File 'keg.rb', line 244

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_StoreINSTALL_RECEIPT.json].include?(basename)

    return false
  end

  true
end

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

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

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

def file_count(*args, &block); end

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

def find(*args, &block); end

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# File 'keg_relocate.rb', line 72

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

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# File 'keg.rb', line 425

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?("_") }
  else
    false
  end
end

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# File 'keg_relocate.rb', line 211

def homebrew_created_file?(file)
  return false unless file.basename.to_s.start_with?("homebrew.")

  %w[.plist.service.timer].include?(file.extname)
end

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# File 'keg.rb', line 352

def ignore_interrupts_and_uninstall!
  ignore_interrupts do
    uninstall
  end
end

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

def join(*args, &block); end

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# File 'keg.rb', line 691

def keepme_refs
  keepme = path/KEEPME_FILE
  return [] if !keepme.exist? || !keepme.readable?

  keepme.readlines.select { |ref| File.exist?(ref.strip) }
end

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# File 'keg_relocate.rb', line 340

def lib
  path/"lib"
end

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# File 'keg_relocate.rb', line 345

def libexec
  path/"libexec"
end

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# File 'keg_relocate.rb', line 392

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

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# File 'keg.rb', line 494

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+/,
         /^pypy/,
         *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 "cps",       # Common Package Specification database gets explicitly created
         "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+/,
         /^pypy/,
         /^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

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# File 'keg.rb', line 269

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

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# File 'keg.rb', line 399

def lock(&_block)
  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

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# File 'keg_relocate.rb', line 94

def new_usr_local_replacement_pairs
  {
    prefix:       {
      old: "/usr/local/opt",
      new: "#{PREFIX_PLACEHOLDER}/opt",
    },
    caskroom:     {
      old: "/usr/local/Caskroom",
      new: "#{PREFIX_PLACEHOLDER}/Caskroom",
    },
    etc_name:     {
      old: "/usr/local/etc/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/etc/#{name}",
    },
    var_homebrew: {
      old: "/usr/local/var/homebrew",
      new: "#{PREFIX_PLACEHOLDER}/var/homebrew",
    },
    var_www:      {
      old: "/usr/local/var/www",
      new: "#{PREFIX_PLACEHOLDER}/var/www",
    },
    var_name:     {
      old: "/usr/local/var/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/var/#{name}",
    },
    var_log_name: {
      old: "/usr/local/var/log/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/var/log/#{name}",
    },
    var_lib_name: {
      old: "/usr/local/var/lib/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/var/lib/#{name}",
    },
    var_run_name: {
      old: "/usr/local/var/run/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/var/run/#{name}",
    },
    var_db_name:  {
      old: "/usr/local/var/db/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/var/db/#{name}",
    },
    share_name:   {
      old: "/usr/local/share/#{name}",
      new: "#{PREFIX_PLACEHOLDER}/share/#{name}",
    },
  }
end

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# File 'keg.rb', line 640

def normalize_pod2man_outputs!
  # Only process uncompressed manpages, which end in a digit
  manpages = Dir[path/"share/man/*/*.[1-9]{,p,pm}"]
  generated_regex = /^\.\\"\s*Automatically generated by .*\n/
  manpages.each do |f|
    manpage = Pathname.new(f)
    next unless manpage.file?

    content = manpage.read
    unless content.valid_encoding?
      # Occasionally, a manpage might not be encoded as UTF-8. ISO-8859-1 is a
      # common alternative that's worth trying in this case.
      content = File.read(manpage, encoding: "ISO-8859-1")

      # If the encoding is still invalid, we can't do anything about it.
      next unless content.valid_encoding?
    end

    content = content.gsub(generated_regex, "")
    content = content.lines.map do |line|
      if line.start_with?(".TH")
        # Split the line by spaces, but preserve quoted strings
        parts = line.split(/\s(?=(?:[^"]|"[^"]*")*$)/)
        next line if parts.length != 6

        # pod2man embeds the perl version used into the 5th field of the footer
        parts[4]&.gsub!(/^"perl v.*"$/, "\"\"")
        # man extension remove in man files
        parts[2]&.gsub!(/([1-9])(?:pm|p)?/, "\\1")

        "#{parts.join("")}\n"
      elsif line.start_with?(".IX")
        # Split the line by spaces, but preserve quoted strings
        parts = line.split(/\s(?=(?:[^"]|"[^"]*")*$)/)
        next line if parts.length != 3
        next line if parts[1] != "Title"

        # man extension remove in man files
        parts[2]&.gsub!(/([1-9])(?:pm|p)?/, "\\1")

        "#{parts.join("")}\n"
      else
        line
      end
    end.join

    manpage.atomic_write(content)
  end
end

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# File 'keg.rb', line 481

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

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# File 'keg_relocate.rb', line 202

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

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# File 'keg.rb', line 618

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

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# File 'keg.rb', line 282

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

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# File 'keg.rb', line 441

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

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# File 'keg.rb', line 585

def prepare_debug_symbols; end

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# File 'keg_relocate.rb', line 180

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

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# File 'keg_relocate.rb', line 144

def prepare_relocation_to_placeholders(new_usr_local_relocation: new_usr_local_relocation?)
  relocation = Relocation.new

  # Use selective HOMEBREW_PREFIX replacement when HOMEBREW_PREFIX=/usr/local
  # This avoids overzealous replacement of system paths when a script refers to e.g. /usr/local/bin
  if new_usr_local_relocation
    new_usr_local_replacement_pairs.each do |key, value|
      relocation.add_replacement_pair(key, value.fetch(:old), value.fetch(:new), path: true)
    end
  else
    relocation.add_replacement_pair(:prefix, HOMEBREW_PREFIX.to_s, PREFIX_PLACEHOLDER, path: true)
  end

  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

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# File 'keg.rb', line 220

def rack
  path.parent
end

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# File 'keg_relocate.rb', line 295

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

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# File 'keg_relocate.rb', line 250

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.to_s) }

      # 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.to_s, new_prefix.to_s)
                             .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.to_s)
  end
end

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# File 'keg_relocate.rb', line 89

def relocate_dynamic_linkage(_relocation, skip_protodesc_cold: false); end

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# File 'keg.rb', line 276

def remove_linked_keg_record
  linked_keg_record.unlink
  linked_keg_record.parent.rmdir_if_possible
end

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# File 'keg.rb', line 287

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

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# File 'keg.rb', line 591

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

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# File 'keg.rb', line 321

def remove_opt_record
  opt_record.unlink
  opt_record.parent.rmdir_if_possible
end

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

def rename(*args, &block); end

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# File 'keg_relocate.rb', line 173

def replace_locations_with_placeholders
  relocation = prepare_relocation_to_placeholders.freeze
  relocate_dynamic_linkage(relocation, skip_protodesc_cold: true)
  replace_text_in_files(relocation)
end

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# File 'keg_relocate.rb', line 195

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

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# File 'keg_relocate.rb', line 218

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

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

    # Use full prefix replacement for Homebrew-created files when using selective relocation
    file_relocation = if new_usr_local_relocation? && homebrew_created_file?(first)
      prepare_relocation_to_placeholders(new_usr_local_relocation: false)
    else
      relocation
    end
    next unless file_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

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# File 'keg.rb', line 264

def require_relocation!
  @require_relocation = true
end

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# File 'keg.rb', line 261

def require_relocation? = @require_relocation

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# File 'keg.rb', line 607

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

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# File 'keg.rb', line 471

def scheme_and_version
  [version_scheme, version]
end

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# File 'keg_relocate.rb', line 404

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

  symlink_files
end

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# File 'keg.rb', line 602

def tab
  Tab.for_keg(self)
end

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# File 'keg_relocate.rb', line 350

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

  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

  text_files
end

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# File 'keg.rb', line 476

def to_formula
  Formulary.from_keg(self)
end

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

def to_path(*args, &block); end

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# File 'keg.rb', line 327

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

    LinkageCacheStore.new(path.to_s,
                          T.cast(db,
                                 CacheStoreDatabase[String, T::Hash[T.any(String, Symbol), T.anything]])).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

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# File 'keg.rb', line 359

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

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# File 'keg.rb', line 459

def version
  PkgVersion.parse(path.basename.to_s)
end