mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
100 lines
3 KiB
Ruby
100 lines
3 KiB
Ruby
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#!ruby
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require "time"
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def usage!
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STDERR.puts <<-EOS
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Usage: $0 [--trunk=<dir>] [--target=<dir>] <revision(s)>
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Generate ChangeLog entries for backporting.
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The entries are output to STDOUT, and the messages of this tool are output to
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STDERR. So you can simply redirect STDOUT to get the entries.
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You should specify the path of trunk by `--trunk`. If not, assumed cwd.
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You also should specify the path of the target branch by `--target`. If not,
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assumed cwd.
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This means that you have to specify at least one of `--trunk` or `--target`.
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revision(s) can be below or their combinations:
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12345 # means r12345
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12345,54321 # means r12345 and r54321
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12345-12347 # means r12345, r12346 and r12347 (of course, if available)
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Note that the revisions is backported branch's ones, not trunk's.
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The target of this tool is *not* to generate ChangeLog automatically, but to
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generate the draft of ChangeLog.
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You have to check and modify the output.
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EOS
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exit
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end
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Majors = {
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"eregon" => "Benoit Daloze <eregontp@gmail.com>",
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"kazu" => "Kazuhiro NISHIYAMA <zn@mbf.nifty.com>",
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"ko1" => "Koichi Sasada <ko1@atdot.net>",
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"marcandre" => "Marc-Andre Lafortune <ruby-core@marc-andre.ca>",
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"naruse" => "NARUSE, Yui <naruse@ruby-lang.org>",
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"nobu" => "Nobuyoshi Nakada <nobu@ruby-lang.org>",
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"normal" => "Eric Wong <normalperson@yhbt.net>",
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"rhe" => "Kazuki Yamaguchi <k@rhe.jp>",
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"shugo" => "Shugo Maeda <shugo@ruby-lang.org>",
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"stomar" => "Marcus Stollsteimer <sto.mar@web.de>",
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"usa" => "NAKAMURA Usaku <usa@ruby-lang.org>",
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"zzak" => "Zachary Scott <e@zzak.io>",
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}
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trunk = "."
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target = "."
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ARGV.delete_if{|e| /^--trunk=(.*)/ =~ e && trunk = $1}
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ARGV.delete_if{|e| /^--target=/ =~ e && target = $1}
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usage! if ARGV.size == 0 || trunk == target
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revisions = []
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ARGV.each do |a|
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a.split(/,/).each do |b|
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if /-/ =~ b
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revisions += Range.new(*b.split(/-/, 2).map{|e| Integer(e)}).to_a
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else
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revisions << Integer(b)
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end
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end
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end
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revisions.sort!
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revisions.reverse!
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revisions.each do |rev|
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if /^Index: ChangeLog$/ =~ `svn diff -c #{rev} #{target}`
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STDERR.puts "#{rev} already has ChangeLog. Skip."
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else
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lines = `svn log -r #{rev} #{target}`.lines[1..-2]
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if lines.empty?
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STDERR.puts "#{rev} does not exist. Skip."
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next
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end
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unless /^merge revision\(s\) (\d+)/ =~ lines[2]
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STDERR.puts "#{rev} is not seems to be a merge commit. Skip."
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next
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end
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original = $1
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committer = `svn log -r #{original} #{trunk}`.lines[1].split(/\|/)[1].strip
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if Majors[committer]
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committer = Majors[committer]
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else
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committer = "#{committer} <#{committer}@ruby-lang.org>"
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end
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time = Time.parse(lines.shift.split(/\|/)[2]).getlocal("+09:00")
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puts "#{time.asctime} #{committer}"
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puts
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lines.shift(2) # skip "merge" line
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lines.shift while lines.first == "\n"
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lines.pop while lines.last == "\n"
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lines.each do |line|
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line.chomp!
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line = "\t#{line}" if line[0] != "\t" && line != ""
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puts line
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end
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puts
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STDERR.puts "#{rev} is processed."
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end
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end
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