зеркало из https://github.com/github/ruby.git
93 строки
2.1 KiB
Ruby
Executable File
93 строки
2.1 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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ENV.delete('PWD')
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require 'optparse'
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require 'pathname'
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SRCDIR = Pathname(File.dirname($0)).parent.freeze
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class VCSNotFoundError < RuntimeError; end
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def detect_vcs(path)
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path = SRCDIR
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return :svn, path.relative_path_from(SRCDIR) if File.directory?("#{path}/.svn")
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return :git_svn, path.relative_path_from(SRCDIR) if File.directory?("#{path}/.git/svn")
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return :git, path.relative_path_from(SRCDIR) if File.directory?("#{path}/.git")
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raise VCSNotFoundError, "does not seem to be under a vcs"
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end
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# return a pair of strings, the last revision and the last revision in which
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# +path+ was modified.
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def get_revisions(path)
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vcs, path = detect_vcs(path)
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info = case vcs
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when :svn
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info_xml = `cd "#{SRCDIR}" && svn info --xml "#{path}"`
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_, last, _, changed, _ = info_xml.split(/revision="(\d+)"/)
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return last, changed
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when :git_svn
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`cd "#{SRCDIR}" && git svn info "#{path}"`
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when :git
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git_log = `cd "#{SRCDIR}" && git log HEAD~1..HEAD "#{path}"`
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git_log =~ /git-svn-id: .*?@(\d+)/
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return $1, $1
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end
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if /^Revision: (\d+)/ =~ info
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last = $1
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else
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raise "last revision not found"
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end
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if /^Last Changed Rev: (\d+)/ =~ info
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changed = $1
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else
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raise "changed revision not found"
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end
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return last, changed
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end
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@output = nil
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def self.output=(output)
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if @output and @output != output
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raise "you can specify only one of --changed, --revision.h and --doxygen"
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end
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@output = output
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end
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@suppress_not_found = false
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parser = OptionParser.new {|opts|
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opts.on("--changed", "changed rev") do
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self.output = :changed
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end
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opts.on("--revision.h") do
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self.output = :revision_h
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end
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opts.on("--doxygen") do
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self.output = :doxygen
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end
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opts.on("-q", "--suppress_not_found") do
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@suppress_not_found = true
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end
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}
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parser.parse!
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begin
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last, changed = get_revisions(ARGV.shift)
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rescue VCSNotFoundError
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raise unless @suppress_not_found
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end
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case @output
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when :changed, nil
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puts changed
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when :revision_h
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puts "#define RUBY_REVISION #{changed.to_i}"
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when :doxygen
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puts "r#{changed}/r#{last}"
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else
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raise "unknown output format `#{@output}'"
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end
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