Module: Homebrew::Manpages Private

Defined in:
manpages.rb,
manpages/parser/ronn.rb,
manpages/converter/roff.rb,
manpages/converter/kramdown.rb

Overview

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

Helper functions for generating homebrew manual.

Defined Under Namespace

Modules: Converter, Parser Classes: Variables

Constant Summary collapse

SOURCE_PATH =

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.

T.let((HOMEBREW_LIBRARY_PATH/"manpages").freeze, Pathname)
TARGET_MAN_PATH =

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.

T.let((HOMEBREW_REPOSITORY/"manpages").freeze, Pathname)
TARGET_DOC_PATH =

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.

T.let((HOMEBREW_REPOSITORY/"docs").freeze, Pathname)

Class Method Summary collapse

Class Method Details

.build_man_page(quiet:) ⇒ String

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:

  • quiet (Boolean)

Returns:

 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
# File 'manpages.rb', line 49 def self.build_man_page(quiet:) template = (SOURCE_PATH/"brew.1.md.erb").read readme = HOMEBREW_REPOSITORY/"README.md" variables = Variables.new( commands: generate_cmd_manpages(Commands.internal_commands_paths), developer_commands: generate_cmd_manpages(Commands.internal_developer_commands_paths), global_cask_options: global_cask_options_manpage, global_options: global_options_manpage, environment_variables: env_vars_manpage, lead: readme.read[/(Homebrew's \[Project Leader.*\.)/, 1] .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1'), plc: readme.read[/(Homebrew's \[Project Leadership Committee.*\.)/, 1] .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1'), tsc: readme.read[/(Homebrew's \[Technical Steering Committee.*\.)/, 1] .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1'), maintainers: readme.read[/(Homebrew's maintainers .*\.)/, 1] .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1'), alumni: readme.read[/(Former maintainers .*\.)/, 1] .gsub(/\[([^\]]+)\]\([^)]+\)/, '\1'), ) ERB.new(template, trim_mode: ">").result(variables.instance_eval { binding }) end

.cmd_comment_manpage_lines(cmd_path) ⇒ Array<String>?

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:

 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154
# File 'manpages.rb', line 123 def self.cmd_comment_manpage_lines(cmd_path) comment_lines = cmd_path.read.lines.grep(/^#:/) return if comment_lines.empty? first_comment_line = comment_lines.first return unless first_comment_line return if first_comment_line.include?("@hide_from_man_page") lines = [format_usage_banner(first_comment_line).chomp] all_but_first_comment_lines = comment_lines.slice(1..-1) return unless all_but_first_comment_lines return if all_but_first_comment_lines.empty? all_but_first_comment_lines.each do |line| line = line.slice(4..-2) unless line lines.last << "\n" next end # Omit the common global_options documented separately in the man page.  next if line.match?(/--(debug|help|quiet|verbose) /) # Format one option or a comma-separated pair of short and long options.  line.gsub!(/^ +(-+[a-z-]+), (-+[a-z-]+) +(.*)$/, "`\\1`, `\\2`\n\n: \\3\n") line.gsub!(/^ +(-+[a-z-]+) +(.*)$/, "`\\1`\n\n: \\2\n") lines << line end lines.last << "\n" lines end

.cmd_parser_manpage_lines(cmd_parser) ⇒ Array<String>

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:

 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
# File 'manpages.rb', line 103 def self.cmd_parser_manpage_lines(cmd_parser) lines = [] usage_banner_text = cmd_parser.usage_banner_text lines << format_usage_banner(usage_banner_text) if usage_banner_text lines += cmd_parser.processed_options.filter_map do |short, long, desc, hidden| next if hidden if long.present? next if Homebrew::CLI::Parser.global_options.include?([short, long, desc]) next if Homebrew::CLI::Parser.global_cask_options.any? do |_, option, kwargs| [long, "#{long}="].include?(option) && kwargs.fetch(:description) == desc end end generate_option_doc(short, long, desc) end lines end

.env_vars_manpageString

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:

 176 177 178 179 180 181 182 183 184 185 186
# File 'manpages.rb', line 176 def self.env_vars_manpage lines = Homebrew::EnvConfig::ENVS.flat_map do |env, hash| entry = "`#{env}`\n\n: #{hash[:description]}\n" default = hash[:default_text] default ||= "`#{hash[:default]}`." if hash[:default] entry += "\n\n *Default:* #{default}\n" if default entry end lines.join("\n") end

.format_opt(opt) ⇒ String?

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:

 189 190 191
# File 'manpages.rb', line 189 def self.format_opt(opt) "`#{opt}`" unless opt.nil? end

.format_usage_banner(usage_banner) ⇒ String

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:

 211 212 213 214
# File 'manpages.rb', line 211 def self.format_usage_banner(usage_banner) usage_banner.sub(/^(#: *\* )?/, "### ") .gsub(/(?<!`)\[([^\[\]]*)\](?!`)/, "\\[\\1\\]") # escape [] character (except those in code spans) end

.generate_cmd_manpages(cmd_paths) ⇒ String

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:

 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
# File 'manpages.rb', line 80 def self.generate_cmd_manpages(cmd_paths) man_page_lines = [] # preserve existing manpage order  cmd_paths.sort_by { sort_key_for_path(_1) } .each do |cmd_path| cmd_man_page_lines = if (cmd_parser = Homebrew::CLI::Parser.from_cmd_path(cmd_path)) next if cmd_parser.hide_from_man_page cmd_parser_manpage_lines(cmd_parser).join else cmd_comment_manpage_lines(cmd_path)&.join("\n") end # Convert subcommands to definition lists  cmd_man_page_lines&.gsub!(/(?<=\n\n)([\\?\[`].+):\n/, "\\1\n\n: ") man_page_lines << cmd_man_page_lines end man_page_lines.compact.join("\n") end

.generate_option_doc(short, long, desc) ⇒ String

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:

 200 201 202 203 204 205 206 207 208
# File 'manpages.rb', line 200 def self.generate_option_doc(short, long, desc) comma = (short && long) ? ", " : "" <<~EOS  #{format_opt(short)}#{comma}#{format_opt(long)}   : #{desc}   EOS end

.global_cask_options_manpageString

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:

 157 158 159 160 161 162 163 164
# File 'manpages.rb', line 157 def self.global_cask_options_manpage lines = ["These options are applicable to the `install`, `reinstall` and `upgrade` " \ "subcommands with the `--cask` switch.\n"] lines += Homebrew::CLI::Parser.global_cask_options.map do |_, long, kwargs| generate_option_doc(nil, long.chomp("="), kwargs.fetch(:description)) end lines.join("\n") end

.global_options_manpageString

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:

 167 168 169 170 171 172 173
# File 'manpages.rb', line 167 def self.global_options_manpage lines = ["These options are applicable across multiple subcommands.\n"] lines += Homebrew::CLI::Parser.global_options.map do |short, long, desc| generate_option_doc(short, long, desc) end lines.join("\n") end

.regenerate_man_pages(quiet:) ⇒ 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.

This method returns an undefined value.

Parameters:

  • quiet (Boolean)
 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
# File 'manpages.rb', line 29 def self.regenerate_man_pages(quiet:) require "kramdown" require "manpages/parser/ronn" require "manpages/converter/kramdown" require "manpages/converter/roff" markup = build_man_page(quiet:) root, warnings = Parser::Ronn.parse(markup) $stderr.puts(warnings) roff, warnings = Converter::Kramdown.convert(root) $stderr.puts(warnings) File.write(TARGET_DOC_PATH/"Manpage.md", roff) roff, warnings = Converter::Roff.convert(root) $stderr.puts(warnings) File.write(TARGET_MAN_PATH/"brew.1", roff) end

.sort_key_for_path(path) ⇒ String

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:

 74 75 76 77
# File 'manpages.rb', line 74 def self.sort_key_for_path(path) # Options after regular commands (`~` comes after `z` in ASCII table).  path.basename.to_s.sub(/\.(rb|sh)$/, "").sub(/^--/, "~~") end