mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
88 lines
2.4 KiB
Ruby
88 lines
2.4 KiB
Ruby
#: * `man`:
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#: Generate Homebrew's manpages.
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require "formula"
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require "erb"
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require "ostruct"
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module Homebrew
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SOURCE_PATH = HOMEBREW_LIBRARY_PATH/"manpages"
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TARGET_MAN_PATH = HOMEBREW_REPOSITORY/"share/man/man1"
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TARGET_DOC_PATH = HOMEBREW_REPOSITORY/"share/doc/homebrew"
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def man
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raise UsageError unless ARGV.named.empty?
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if ARGV.flag? "--link"
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odie "`brew man --link` is now done automatically by `brew update`."
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else
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regenerate_man_pages
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end
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end
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private
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def regenerate_man_pages
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Homebrew.install_gem_setup_path! "ronn"
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markup = build_man_page
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convert_man_page(markup, TARGET_DOC_PATH/"brew.1.html")
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convert_man_page(markup, TARGET_MAN_PATH/"brew.1")
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cask_markup = (HOMEBREW_LIBRARY/"Homebrew/manpages/brew-cask.1.md").read
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convert_man_page(cask_markup, TARGET_MAN_PATH/"brew-cask.1")
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end
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def build_man_page
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template = (SOURCE_PATH/"brew.1.md.erb").read
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variables = OpenStruct.new
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variables[:commands] = Pathname.glob("#{HOMEBREW_LIBRARY_PATH}/cmd/*.{rb,sh}").
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sort_by { |source_file| sort_key_for_path(source_file) }.
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map { |source_file|
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source_file.read.lines.
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grep(/^#:/).
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map { |line| line.slice(2..-1) }.
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join
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}.
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reject { |s| s.strip.empty? || s.include?("@hide_from_man_page") }
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variables[:maintainers] = (HOMEBREW_REPOSITORY/"README.md").
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read[/Homebrew's current maintainers are (.*)\./, 1].
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scan(/\[([^\]]*)\]/).flatten
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ERB.new(template, nil, ">").result(variables.instance_eval{ binding })
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end
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def sort_key_for_path(path)
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# Options after regular commands (`~` comes after `z` in ASCII table).
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path.basename.to_s.sub(/\.(rb|sh)$/, "").sub(/^--/, "~~")
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end
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def convert_man_page(markup, target)
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shared_args = %W[
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--pipe
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--organization=Homebrew
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--manual=#{target.basename(".1")}
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]
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format_flag, format_desc = target_path_to_format(target)
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puts "Writing #{format_desc} to #{target}"
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Utils.popen(["ronn", format_flag] + shared_args, "rb+") do |ronn|
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ronn.write markup
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ronn.close_write
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target.atomic_write ronn.read
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end
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end
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def target_path_to_format(target)
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case target.basename
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when /\.html?$/ then ["--fragment", "HTML fragment"]
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when /\.\d$/ then ["--roff", "man page"]
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else
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odie "Failed to infer output format from '#{target.basename}'."
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end
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end
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end
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