mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
30f3c8c70b
from a git-svn gateway. Patch by Hongli Lai. [ruby-core:21020] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
87 lines
2 KiB
Ruby
87 lines
2 KiB
Ruby
#!/usr/bin/env ruby
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ENV['LANG'] = ENV['LC_ALL'] = ENV['LC_MESSAGES'] = 'C'
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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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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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`cd "#{SRCDIR}" && svn info "#{path}"`
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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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"Revision: #{$1}\nLast Changed Rev: #{$1}\n"
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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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def raise_if_conflict
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raise "you can specify only one of --changed, --revision.h and --doxygen" if $output
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end
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parser = OptionParser.new {|opts|
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opts.on("--changed", "changed rev") do
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raise_if_conflict
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$output = :changed
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end
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opts.on("--revision.h") do
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raise_if_conflict
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$output = :revision_h
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end
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opts.on("--doxygen") do
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raise_if_conflict
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$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 $output
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when :changed, nil
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puts changed
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when :revision_h
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puts "#define RUBY_REVISION #{changed}"
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when :doxygen
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puts "r#{changed}/r#{last}"
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else
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raise "unknown output format `#{$output}'"
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end
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