ruby/tool/merger.rb

315 строки
8.4 KiB
Ruby
Executable File

#!/bin/sh
# -*- ruby -*-
exec "${RUBY-ruby}" "-x" "$0" "$@" && [ ] if false
#!ruby
# This needs ruby 2.0 and Git.
# As a Ruby committer, run this in a git repository to commit a change.
require 'tempfile'
require 'net/http'
require 'uri'
require 'shellwords'
ENV['LC_ALL'] = 'C'
ORIGIN = 'git@git.ruby-lang.org:ruby.git'
GITHUB = 'git@github.com:ruby/ruby.git'
class << Merger = Object.new
def help
puts <<-HELP
\e[1msimple backport\e[0m
ruby #$0 1234abc
\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 3.2.0
\e[1mtagging patch release\e[0m (for 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 3.2.0-preview1
\e[1mremove tag\e[0m
ruby #$0 removetag 3.2.9
\e[33;1m* all operations shall be applied to the working directory.\e[0m
HELP
end
def interactive(str, editfile = nil)
loop do
yield if block_given?
STDERR.puts "\e[1;33m#{str} ([y]es|[a]bort|[r]etry#{'|[e]dit' if editfile})\e[0m"
case STDIN.gets
when /\Aa/i then exit 1
when /\Ar/i then redo
when /\Ay/i then break
when /\Ae/i then system(ENV['EDITOR'], editfile)
else exit 1
end
end
end
def version_up(teeny: false)
now = Time.now
now = now.localtime(9*60*60) # server is Japan Standard Time +09:00
system('git', 'checkout', 'HEAD', 'version.h')
v, pl = version
if teeny
v[2].succ!
end
if pl != '-1' # trunk does not have patchlevel
pl.succ!
end
str = open('version.h', 'rb', &:read)
ruby_release_date = str[/RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR/] || now.strftime('"%Y-%m-%d"')
[%W[RUBY_VERSION "#{v.join('.')}"],
%W[RUBY_VERSION_CODE #{v.join('')}],
%W[RUBY_VERSION_MAJOR #{v[0]}],
%W[RUBY_VERSION_MINOR #{v[1]}],
%W[RUBY_VERSION_TEENY #{v[2]}],
%W[RUBY_RELEASE_DATE #{ruby_release_date}],
%W[RUBY_RELEASE_CODE #{now.strftime('%Y%m%d')}],
%W[RUBY_PATCHLEVEL #{pl}],
%W[RUBY_RELEASE_YEAR #{now.year}],
%W[RUBY_RELEASE_MONTH #{now.month}],
%W[RUBY_RELEASE_DAY #{now.day}],
].each do |(k, i)|
str.sub!(/^(#define\s+#{k}\s+).*$/, "\\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' && relname.end_with?(".0")
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)}"
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
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
execute('git', 'tag', '-d', tagname)
execute('git', 'push', ORIGIN, ":#{tagname}", interactive: true)
execute('git', 'push', GITHUB, ":#{tagname}", interactive: true)
end
def update_revision_h
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
`git status --short`
end
def diff(file = nil)
command = %w[git diff --color HEAD]
IO.popen(command + [file].compact, &:read)
end
def commit(file)
current_branch = IO.popen(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], &:read).strip
execute('git', 'add', '.') && execute('git', 'commit', '-F', file)
end
def has_conflicts?
changes = IO.popen(%w[git status --porcelain -z]) { |io| io.readlines("\0", chomp: true) }
# Discover unmerged files
# AU: unmerged, added by us
# DU: unmerged, deleted by us
# UU: unmerged, both modified
# AA: unmerged, both added
conflict = changes.grep(/\A(?:.U|AA) /) {$'}
!conflict.empty?
end
private
# Prints the version of Ruby found in version.h
def version
v = p = nil
open 'version.h', 'rb' do |f|
f.each_line do |l|
case l
when /^#define RUBY_VERSION "(\d+)\.(\d+)\.(\d+)"$/
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(/,/)
ARGV.shift
else
tickets = []
detect_ticket = true
end
revstr = ARGV[0].gsub(%r!https://github\.com/ruby/ruby/commit/|https://bugs\.ruby-lang\.org/projects/ruby-master/repository/git/revisions/!, '')
revstr = revstr.delete('^, :\-0-9a-fA-F')
revs = revstr.split(/[,\s]+/)
commit_message = ''
revs.each do |rev|
git_rev = nil
case 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
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.sub(/^diff --git a\/version\.h b\/version\.h\nindex .*\n--- a\/version\.h\n\+\+\+ b\/version\.h\n@@ .* @@\n(?:[-\+ ].*\n|\n)+/, '')
if detect_ticket
tickets += patch.scan(/\[(?:Bug|Feature|Misc) #(\d+)\]/i).map(&:first)
end
message = "#{(patch[/^Subject: (.*)\n---\n /m, 1] || "Message not found for revision: #{git_rev}\n")}"
message.gsub!(/\G(.*)\n( .*)/, "\\1\\2")
message = "\n\n#{message}"
puts '+ git apply'
IO.popen(['git', 'apply', '--3way'], 'wb') { |f| f.write(patch) }
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", revs.join(', '), tickets.map{|num| " [Backport ##{num}]"}.join
f.write commit_message
f.flush
f.close
if Merger.has_conflicts?
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
end
unless Merger.commit(f.path)
puts 'commit failed; try again.'
end
f.close(true)
end