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ruby--ruby/tool/merger.rb

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9.6 KiB
Ruby
Executable file

#!/bin/sh
# -*- ruby -*-
exec "${RUBY-ruby}" "-x" "$0" "$@" && [ ] if false
#!ruby
# This needs ruby 2.0, Subversion and Git.
# As a Ruby committer, run this in an SVN repository
# to commit a change.
require 'tempfile'
require 'net/http'
require 'uri'
require 'shellwords'
ENV['LC_ALL'] = 'C'
module Merger
REPOS = 'svn+ssh://svn@ci.ruby-lang.org/ruby/'
end
class << Merger
def help
puts <<-HELP
\e[1msimple backport\e[0m
ruby #$0 1234
\e[1mbackport from other branch\e[0m
ruby #$0 17502 mvm
\e[1mrevision increment\e[0m
ruby #$0 revisionup
\e[1mteeny increment\e[0m
ruby #$0 teenyup
\e[1mtagging major release\e[0m
ruby #$0 tag 2.2.0
\e[1mtagging patch release\e[0m (about 2.1.0 or later, it means X.Y.Z (Z > 0) release)
ruby #$0 tag
\e[1mtagging preview/RC\e[0m
ruby #$0 tag 2.2.0-preview1
\e[1mremove tag\e[0m
ruby #$0 removetag 2.2.9
\e[33;1m* all operations shall be applied to the working directory.\e[0m
HELP
end
def interactive(str, editfile = nil)
loop do
yield if block_given?
STDERR.puts "\e[1;33m#{str} ([y]es|[a]bort|[r]etry#{'|[e]dit' if editfile})\e[0m"
case STDIN.gets
when /\Aa/i then exit
when /\Ar/i then redo
when /\Ay/i then break
when /\Ae/i then system(ENV['EDITOR'], editfile)
else exit
end
end
end
def version_up(teeny: false)
now = Time.now
now = now.localtime(9*60*60) # server is Japan Standard Time +09:00
if svn_mode?
system('svn', 'revert', 'version.h')
else
system('git', 'checkout', 'HEAD', 'version.h')
end
v, pl = version
if teeny
v[2].succ!
end
if pl != '-1' # trunk does not have patchlevel
pl.succ!
end
str = open('version.h', 'rb', &:read)
ruby_release_date = str[/RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR/] || now.strftime('"%Y-%m-%d"')
[%W[RUBY_VERSION "#{v.join('.')}"],
%W[RUBY_VERSION_CODE #{v.join('')}],
%W[RUBY_VERSION_MAJOR #{v[0]}],
%W[RUBY_VERSION_MINOR #{v[1]}],
%W[RUBY_VERSION_TEENY #{v[2]}],
%W[RUBY_RELEASE_DATE #{ruby_release_date}],
%W[RUBY_RELEASE_CODE #{now.strftime('%Y%m%d')}],
%W[RUBY_PATCHLEVEL #{pl}],
%W[RUBY_RELEASE_YEAR #{now.year}],
%W[RUBY_RELEASE_MONTH #{now.month}],
%W[RUBY_RELEASE_DAY #{now.day}],
].each do |(k, i)|
str.sub!(/^(#define\s+#{k}\s+).*$/, "\\1#{i}")
end
str.sub!(/\s+\z/m, '')
fn = sprintf('version.h.tmp.%032b', rand(1 << 31))
File.rename('version.h', fn)
open('version.h', 'wb') do |f|
f.puts(str)
end
File.unlink(fn)
end
def tag(relname)
# relname:
# * 2.2.0-preview1
# * 2.2.0-rc1
# * 2.2.0
v, pl = version
if relname
abort "patchlevel is not -1 but '#{pl}' for preview or rc" if pl != '-1' && /-(?:preview|rc)/ =~ relname
abort "patchlevel is not 0 but '#{pl}' for the first release" if pl != '0' && /-(?:preview|rc)/ !~ relname
pl = relname[/-(.*)\z/, 1]
curver = "#{v.join('.')}#{("-#{pl}" if pl)}"
if relname != curver
abort "given relname '#{relname}' conflicts current version '#{curver}'"
end
else
if pl == '-1'
abort 'no relname is given and not in a release branch even if this is patch release'
end
end
tagname = "v#{v.join('_')}#{("_#{pl}" if v[0] < "2" || (v[0] == "2" && v[1] < "1") || /^(?:preview|rc)/ =~ pl)}"
if svn_mode?
if relname
branch_url = `svn info`[/URL: (.*)/, 1]
else
branch_url = "#{REPOS}branches/ruby_"
if v[0] < '2' || (v[0] == '2' && v[1] < '1')
abort 'patchlevel must be greater than 0 for patch release' if pl == '0'
branch_url << v.join('_')
else
abort 'teeny must be greater than 0 for patch release' if v[2] == '0'
branch_url << v.join('_').sub(/_\d+\z/, '')
end
end
tag_url = "#{REPOS}tags/#{tagname}"
unless system('svn', 'info', tag_url, out: IO::NULL, err: IO::NULL)
abort 'specfied tag already exists. check tag name and remove it if you want to force re-tagging'
end
execute('svn', 'cp', '-m', "add tag #{tagname}", branch_url, tag_url, interactive: true)
else
unless execute('git', 'tag', tagname)
abort 'specfied tag already exists. check tag name and remove it if you want to force re-tagging'
end
execute('git', 'push', 'origin', tagname, interactive: true)
end
end
def remove_tag(relname)
# relname:
# * 2.2.0-preview1
# * 2.2.0-rc1
# * 2.2.0
# * v2_2_0_preview1
# * v2_2_0_rc1
# * v2_2_0
unless relname
raise ArgumentError, 'relname is not specified'
end
if /^v/ !~ relname
tagname = "v#{relname.gsub(/[.-]/, '_')}"
else
tagname = relname
end
if svn_mode?
tag_url = "#{REPOS}tags/#{tagname}"
execute('svn', 'rm', '-m', "remove tag #{tagname}", tag_url, interactive: true)
else
execute('git', 'tag', '-d', tagname)
execute('git', 'push', 'origin', ":#{tagname}", interactive: true)
end
end
def update_revision_h
if svn_mode?
execute('svn', 'up')
end
execute('ruby tool/file2lastrev.rb --revision.h . > revision.tmp')
execute('tool/ifchange', '--timestamp=.revision.time', 'revision.h', 'revision.tmp')
execute('rm', '-f', 'revision.tmp')
end
def stat
if svn_mode?
`svn stat`
else
`git status --short`
end
end
def diff(file = nil)
if svn_mode?
command = %w[svn diff --diff-cmd=diff -x -upw]
else
command = %w[git diff --color]
end
IO.popen(command + [file].compact, &:read)
end
def commit(file)
if svn_mode?
begin
execute('svn', 'ci', '-F', file)
execute('svn', 'update') # svn ci doesn't update revision info on working copy
ensure
execute('rm', '-f', 'subversion.commitlog')
end
else
current_branch = IO.popen(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], &:read).strip
execute('git', 'add', '.') &&
execute('git', 'commit', '-F', file) &&
execute('git', 'push', 'origin', current_branch)
end
end
private
def svn_mode?
return @svn_mode if defined?(@svn_mode)
@svn_mode = system("svn info", %i(out err) => IO::NULL)
end
# Prints the version of Ruby found in version.h
def version
v = p = nil
open 'version.h', 'rb' do |f|
f.each_line do |l|
case l
when /^#define RUBY_VERSION "(\d+)\.(\d+)\.(\d+)"$/
v = $~.captures
when /^#define RUBY_VERSION_TEENY (\d+)$/
(v ||= [])[2] = $1
when /^#define RUBY_PATCHLEVEL (-?\d+)$/
p = $1
end
end
end
if v and !v[0]
open 'include/ruby/version.h', 'rb' do |f|
f.each_line do |l|
case l
when /^#define RUBY_API_VERSION_MAJOR (\d+)/
v[0] = $1
when /^#define RUBY_API_VERSION_MINOR (\d+)/
v[1] = $1
end
end
end
end
return v, p
end
def execute(*cmd, interactive: false)
if interactive
Merger.interactive("OK?: #{cmd.shelljoin}")
end
puts "+ #{cmd.shelljoin}"
system(*cmd)
end
end
case ARGV[0]
when "teenyup"
Merger.version_up(teeny: true)
puts Merger.diff('version.h')
when "up", /\A(ver|version|rev|revision|lv|level|patch\s*level)\s*up\z/
Merger.version_up
puts Merger.diff('version.h')
when "tag"
Merger.tag(ARGV[1])
when /\A(?:remove|rm|del)_?tag\z/
Merger.remove_tag(ARGV[1])
when nil, "-h", "--help"
Merger.help
exit
else
Merger.update_revision_h
case ARGV[0]
when /--ticket=(.*)/
tickets = $1.split(/,/).map{|num| " [Backport ##{num}]"}.join
ARGV.shift
else
tickets = ''
end
revstr = ARGV[0].delete('^, :\-0-9a-fA-F')
revs = revstr.split(/[,\s]+/)
commit_message = ''
revs.each do |rev|
git_rev = nil
case rev
when /\A\d{1,6}\z/
svn_rev = rev
when /\A\h{7,40}\z/
git_rev = rev
when nil then
puts "#$0 revision"
exit
else
puts "invalid revision part '#{rev}' in '#{ARGV[0]}'"
exit
end
# Merge revision from Git patch or SVN
if git_rev
git_uri = "https://git.ruby-lang.org/ruby.git/patch/?id=#{git_rev}"
resp = Net::HTTP.get_response(URI(git_uri))
if resp.code != '200'
abort "'#{git_uri}' returned status '#{resp.code}':\n#{resp.body}"
end
patch = resp.body
message = "\n\n#{(patch[/^Subject: (.*)\n\ndiff --git/m, 1] || "Message not found for revision: #{git_rev}\n")}"
puts '+ git apply'
IO.popen(['git', 'apply'], 'w') { |f| f.write(patch) }
else
default_merge_branch = (%r{^URL: .*/branches/ruby_1_8_} =~ `svn info` ? 'branches/ruby_1_8' : 'trunk')
svn_src = "#{Merger::REPOS}#{ARGV[1] || default_merge_branch}"
message = IO.popen(['svn', 'log', '-c', svn_rev, svn_src], &:read)
cmd = ['svn', 'merge', '--accept=postpone', '-c', svn_rev, svn_src]
puts "+ #{cmd.join(' ')}"
system(*cmd)
end
commit_message << message.sub(/\A-+\nr.*/, '').sub(/\n-+\n\z/, '').gsub(/^./, "\t\\&")
end
if Merger.diff.empty?
Merger.interactive('Nothing is modified, right?')
end
Merger.version_up
f = Tempfile.new 'merger.rb'
f.printf "merge revision(s) %s:%s", revstr, tickets
f.write commit_message
f.flush
f.close
Merger.interactive('conflicts resolved?', f.path) do
IO.popen(ENV['PAGER'] || ['less', '-R'], 'w') do |g|
g << Merger.stat
g << "\n\n"
f.open
g << f.read
f.close
g << "\n\n"
g << Merger.diff
end
end
unless Merger.commit(f.path)
puts 'commit failed; try again.'
end
f.close(true)
end