mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
631 lines
17 KiB
Ruby
631 lines
17 KiB
Ruby
# vcs
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require 'fileutils'
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# This library is used by several other tools/ scripts to detect the current
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# VCS in use (e.g. SVN, Git) or to interact with that VCS.
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ENV.delete('PWD')
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unless File.respond_to? :realpath
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require 'pathname'
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def File.realpath(arg)
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Pathname(arg).realpath.to_s
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end
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end
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def IO.pread(*args)
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STDERR.puts(args.inspect) if $DEBUG
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popen(*args) {|f|f.read}
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end
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if RUBY_VERSION < "2.0"
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class IO
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@orig_popen = method(:popen)
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if defined?(fork)
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def self.popen(command, *rest, &block)
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if command.kind_of?(Hash)
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env = command
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command = rest.shift
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end
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opts = rest.last
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if opts.kind_of?(Hash)
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dir = opts.delete(:chdir)
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rest.pop if opts.empty?
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opts.delete(:external_encoding)
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end
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if block
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@orig_popen.call("-", *rest) do |f|
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if f
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yield(f)
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else
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Dir.chdir(dir) if dir
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ENV.replace(env) if env
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exec(*command)
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end
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end
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else
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f = @orig_popen.call("-", *rest)
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unless f
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Dir.chdir(dir) if dir
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ENV.replace(env) if env
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exec(*command)
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end
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f
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end
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end
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else
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require 'shellwords'
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def self.popen(command, *rest, &block)
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if command.kind_of?(Hash)
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env = command
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oldenv = ENV.to_hash
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command = rest.shift
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end
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opts = rest.last
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if opts.kind_of?(Hash)
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dir = opts.delete(:chdir)
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rest.pop if opts.empty?
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opts.delete(:external_encoding)
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end
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command = command.shelljoin if Array === command
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Dir.chdir(dir || ".") do
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ENV.replace(env) if env
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@orig_popen.call(command, *rest, &block)
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ENV.replace(oldenv) if oldenv
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end
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end
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end
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end
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else
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module DebugPOpen
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verbose, $VERBOSE = $VERBOSE, nil if RUBY_VERSION < "2.1"
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refine IO.singleton_class do
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def popen(*args)
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STDERR.puts args.inspect if $DEBUG
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super
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end
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end
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ensure
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$VERBOSE = verbose unless verbose.nil?
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end
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using DebugPOpen
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module DebugSystem
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def system(*args)
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STDERR.puts args.inspect if $DEBUG
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exception = false
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opts = Hash.try_convert(args[-1])
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if RUBY_VERSION >= "2.6"
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unless opts
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opts = {}
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args << opts
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end
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exception = opts.fetch(:exception) {opts[:exception] = true}
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elsif opts
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exception = opts.delete(:exception) {true}
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args.pop if opts.empty?
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end
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ret = super(*args)
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raise "Command failed with status (#$?): #{args[0]}" if exception and !ret
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ret
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end
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end
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module Kernel
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prepend(DebugSystem)
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end
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end
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class VCS
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prepend(DebugSystem) if defined?(DebugSystem)
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class NotFoundError < RuntimeError; end
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@@dirs = []
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def self.register(dir, &pred)
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@@dirs << [dir, self, pred]
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end
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def self.detect(path, options = {})
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uplevel_limit = options.fetch(:uplevel_limit, 0)
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curr = path
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begin
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@@dirs.each do |dir, klass, pred|
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return klass.new(curr) if pred ? pred[curr, dir] : File.directory?(File.join(curr, dir))
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end
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if uplevel_limit
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break if uplevel_limit.zero?
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uplevel_limit -= 1
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end
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prev, curr = curr, File.realpath(File.join(curr, '..'))
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end until curr == prev # stop at the root directory
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raise VCS::NotFoundError, "does not seem to be under a vcs: #{path}"
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end
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def self.local_path?(path)
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String === path or path.respond_to?(:to_path)
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end
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attr_reader :srcdir
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def initialize(path)
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@srcdir = path
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super()
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end
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NullDevice = defined?(IO::NULL) ? IO::NULL :
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%w[/dev/null NUL NIL: NL:].find {|dev| File.exist?(dev)}
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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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if self.class.local_path?(path)
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path = relative_to(path)
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end
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last, changed, modified, *rest = (
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begin
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if NullDevice
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save_stderr = STDERR.dup
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STDERR.reopen NullDevice, 'w'
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end
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self.class.get_revisions(path, @srcdir)
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rescue Errno::ENOENT => e
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raise VCS::NotFoundError, e.message
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ensure
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if save_stderr
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STDERR.reopen save_stderr
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save_stderr.close
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end
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end
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)
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last or raise VCS::NotFoundError, "last revision not found"
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changed or raise VCS::NotFoundError, "changed revision not found"
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if modified
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/\A(\d+)-(\d+)-(\d+)\D(\d+):(\d+):(\d+(?:\.\d+)?)\s*(?:Z|([-+]\d\d)(\d\d))\z/ =~ modified or
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raise "unknown time format - #{modified}"
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match = $~[1..6].map { |x| x.to_i }
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off = $7 ? "#{$7}:#{$8}" : "+00:00"
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match << off
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begin
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modified = Time.new(*match)
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rescue ArgumentError
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modified = Time.utc(*$~[1..6]) + $7.to_i * 3600 + $8.to_i * 60
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end
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end
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return last, changed, modified, *rest
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end
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def modified(path)
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_, _, modified, * = get_revisions(path)
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modified
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end
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def relative_to(path)
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if path
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srcdir = File.realpath(@srcdir)
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path = File.realdirpath(path)
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list1 = srcdir.split(%r{/})
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list2 = path.split(%r{/})
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while !list1.empty? && !list2.empty? && list1.first == list2.first
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list1.shift
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list2.shift
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end
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if list1.empty? && list2.empty?
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"."
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else
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([".."] * list1.length + list2).join("/")
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end
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else
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'.'
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end
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end
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def after_export(dir)
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end
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def revision_name(rev)
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self.class.revision_name(rev)
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end
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def short_revision(rev)
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self.class.short_revision(rev)
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end
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class SVN < self
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register(".svn")
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COMMAND = ENV['SVN'] || 'svn'
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def self.revision_name(rev)
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"r#{rev}"
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end
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def self.short_revision(rev)
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rev
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end
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def self.get_revisions(path, srcdir = nil)
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if srcdir and local_path?(path)
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path = File.join(srcdir, path)
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end
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if srcdir
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info_xml = IO.pread(%W"#{COMMAND} info --xml #{srcdir}")
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info_xml = nil unless info_xml[/<url>(.*)<\/url>/, 1] == path.to_s
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end
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info_xml ||= IO.pread(%W"#{COMMAND} info --xml #{path}")
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_, last, _, changed, _ = info_xml.split(/revision="(\d+)"/)
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modified = info_xml[/<date>([^<>]*)/, 1]
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branch = info_xml[%r'<relative-url>\^/(?:branches/|tags/)?([^<>]+)', 1]
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[last, changed, modified, branch]
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end
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def self.search_root(path)
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return unless local_path?(path)
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parent = File.realpath(path)
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begin
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parent = File.dirname(wkdir = parent)
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return wkdir if File.directory?(wkdir + "/.svn")
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end until parent == wkdir
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end
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def get_info
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@info ||= IO.pread(%W"#{COMMAND} info --xml #{@srcdir}")
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end
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def url
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unless @url
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url = get_info[/<root>(.*)<\/root>/, 1]
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@url = URI.parse(url+"/") if url
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end
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@url
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end
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def wcroot
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unless @wcroot
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info = get_info
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@wcroot = info[/<wcroot-abspath>(.*)<\/wcroot-abspath>/, 1]
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@wcroot ||= self.class.search_root(@srcdir)
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end
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@wcroot
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end
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def branch(name)
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return trunk if name == "trunk"
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url + "branches/#{name}"
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end
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def tag(name)
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url + "tags/#{name}"
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end
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def trunk
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url + "trunk"
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end
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def branch_list(pat)
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IO.popen(%W"#{COMMAND} ls #{branch('')}") do |f|
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f.each do |line|
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line.chomp!
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line.chomp!('/')
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yield(line) if File.fnmatch?(pat, line)
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end
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end
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end
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def grep(pat, tag, *files, &block)
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cmd = %W"#{COMMAND} cat"
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files.map! {|n| File.join(tag, n)} if tag
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set = block.binding.eval("proc {|match| $~ = match}")
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IO.popen([cmd, *files]) do |f|
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f.grep(pat) do |s|
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set[$~]
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yield s
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end
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end
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end
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def export(revision, url, dir, keep_temp = false)
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if @srcdir and (rootdir = wcroot)
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srcdir = File.realpath(@srcdir)
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rootdir << "/"
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if srcdir.start_with?(rootdir)
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subdir = srcdir[rootdir.size..-1]
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subdir = nil if subdir.empty?
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FileUtils.mkdir_p(svndir = dir+"/.svn")
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FileUtils.ln_s(Dir.glob(rootdir+"/.svn/*"), svndir)
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system(COMMAND, "-q", "revert", "-R", subdir || ".", :chdir => dir) or return false
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FileUtils.rm_rf(svndir) unless keep_temp
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if subdir
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tmpdir = Dir.mktmpdir("tmp-co.", "#{dir}/#{subdir}")
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File.rename(tmpdir, tmpdir = "#{dir}/#{File.basename(tmpdir)}")
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FileUtils.mv(Dir.glob("#{dir}/#{subdir}/{.[^.]*,..?*,*}"), tmpdir)
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begin
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Dir.rmdir("#{dir}/#{subdir}")
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end until (subdir = File.dirname(subdir)) == '.'
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FileUtils.mv(Dir.glob("#{tmpdir}/#{subdir}/{.[^.]*,..?*,*}"), dir)
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Dir.rmdir(tmpdir)
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end
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return true
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end
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end
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IO.popen(%W"#{COMMAND} export -r #{revision} #{url} #{dir}") do |pipe|
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pipe.each {|line| /^A/ =~ line or yield line}
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end
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$?.success?
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end
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def after_export(dir)
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FileUtils.rm_rf(dir+"/.svn")
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end
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def branch_beginning(url)
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# `--limit` of svn-log is useless in this case, because it is
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# applied before `--search`.
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rev = IO.pread(%W[ #{COMMAND} log --xml
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--search=matz --search-and=has\ started
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-- #{url}/version.h])[/<logentry\s+revision="(\d+)"/m, 1]
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rev.to_i if rev
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end
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def export_changelog(url, from, to, path)
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range = [to || 'HEAD', (from ? from+1 : branch_beginning(url))].compact.join(':')
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IO.popen({'TZ' => 'JST-9', 'LANG' => 'C', 'LC_ALL' => 'C'},
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%W"#{COMMAND} log -r#{range} #{url}") do |r|
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open(path, 'w') do |w|
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IO.copy_stream(r, w)
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end
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end
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end
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def commit
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system(*%W"#{COMMAND} commit")
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end
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end
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class GIT < self
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register(".git") {|path, dir| File.exist?(File.join(path, dir))}
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COMMAND = ENV["GIT"] || 'git'
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def self.cmd_args(cmds, srcdir = nil)
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(opts = cmds.last).kind_of?(Hash) or cmds << (opts = {})
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opts[:external_encoding] ||= "UTF-8"
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if srcdir and local_path?(srcdir)
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opts[:chdir] ||= srcdir
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end
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cmds
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end
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def self.cmd_pipe_at(srcdir, cmds, &block)
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IO.popen(*cmd_args(cmds, srcdir), &block)
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end
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def self.cmd_read_at(srcdir, cmds)
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IO.pread(*cmd_args(cmds, srcdir))
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end
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def self.get_revisions(path, srcdir = nil)
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gitcmd = [COMMAND, '-C', srcdir || '.']
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last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', 'HEAD']]).rstrip
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log = cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--date=iso', *path]])
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changed = log[/\Acommit (\h+)/, 1]
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modified = log[/^Date:\s+(.*)/, 1]
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branch = cmd_read_at(srcdir, [gitcmd + %W[symbolic-ref --short HEAD]])
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if branch.empty?
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branch_list = cmd_read_at(srcdir, [gitcmd + %W[branch --list --contains HEAD]]).lines.to_a
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branch, = branch_list.grep(/\A\*/)
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case branch
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when /\A\* *\(\S+ detached at (.*)\)\Z/
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branch = $1
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branch = nil if last.start_with?(branch)
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when /\A\* (\S+)\Z/
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branch = $1
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else
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branch = nil
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end
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unless branch
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branch_list.each {|b| b.strip!}
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branch_list.delete_if {|b| / / =~ b}
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branch = branch_list.min_by(&:length) || ""
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end
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end
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branch.chomp!
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branch = ":detached:" if branch.empty?
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upstream = cmd_read_at(srcdir, [gitcmd + %W[branch --list --format=%(upstream:short) #{branch}]])
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upstream.chomp!
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title = cmd_read_at(srcdir, [gitcmd + %W[log --format=%s -n1 #{upstream}..HEAD]])
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title = nil if title.empty?
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[last, changed, modified, branch, title]
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end
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def self.revision_name(rev)
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short_revision(rev)
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end
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def self.short_revision(rev)
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rev[0, 10]
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end
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def initialize(*)
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super
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if srcdir = @srcdir and self.class.local_path?(srcdir)
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@srcdir = File.realpath(srcdir)
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end
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self
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end
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def cmd_pipe(*cmds, &block)
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self.class.cmd_pipe_at(@srcdir, cmds, &block)
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end
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def cmd_read(*cmds)
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self.class.cmd_read_at(@srcdir, cmds)
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end
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def gitcmd
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[COMMAND, '-C', @srcidr||"."]
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end
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Branch = Struct.new(:to_str)
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def branch(name)
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Branch.new(name)
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end
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alias tag branch
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def trunk
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branch("trunk")
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end
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def stable
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cmd = gitcmd + %W"for-each-ref --format=\%(refname:short) refs/heads/ruby_[0-9]*"
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branch(cmd_read(cmd)[/.*^(ruby_\d+_\d+)$/m, 1])
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end
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def branch_list(pat)
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cmd = gitcmd + %W"for-each-ref --format=\%(refname:short) refs/heads/#{pat}"
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cmd_pipe(cmd) {|f|
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f.each {|line|
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line.chomp!
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yield line
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}
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}
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end
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def grep(pat, tag, *files, &block)
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cmd = gitcmd + %W[grep -h --perl-regexp #{tag} --]
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set = block.binding.eval("proc {|match| $~ = match}")
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cmd_pipe(cmd+files) do |f|
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f.grep(pat) do |s|
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set[$~]
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yield s
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end
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end
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end
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def export(revision, url, dir, keep_temp = false)
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ret = system(*gitcmd, "clone", "-s", (@srcdir || '.').to_s, "-b", url, dir)
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ret
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end
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def after_export(dir)
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FileUtils.rm_rf(Dir.glob("#{dir}/.git*"))
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end
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def branch_beginning(url)
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cmd_read(gitcmd + %W[log -n1 --format=format:%H
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--author=matz --committer=matz --grep=has\ started
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-- version.h include/ruby/version.h])
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end
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|
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def export_changelog(url, from, to, path)
|
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from, to = [from, to].map do |rev|
|
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rev or next
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if Integer === rev
|
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rev = cmd_read({'LANG' => 'C', 'LC_ALL' => 'C'},
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gitcmd << %W"log -n1 --format=format:%H" <<
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|
"--grep=^ *git-svn-id: .*@#{rev} ")
|
|
end
|
|
rev unless rev.empty?
|
|
end
|
|
unless /./.match(from ||= branch_beginning(url))
|
|
raise "cannot find the beginning revision of the branch"
|
|
end
|
|
range = [from, (to || 'HEAD')].join('^..')
|
|
cmd_pipe({'TZ' => 'JST-9', 'LANG' => 'C', 'LC_ALL' => 'C'},
|
|
gitcmd + %W"log --format=medium --no-notes --date=iso-local --topo-order #{range}", "rb") do |r|
|
|
format_changelog(r, path)
|
|
end
|
|
end
|
|
|
|
def format_changelog(r, path)
|
|
IO.copy_stream(r, path)
|
|
end
|
|
|
|
def commit(opts = {})
|
|
dryrun = opts.fetch(:dryrun) {$DEBUG} if opts
|
|
args = [*gitcmd, "push"]
|
|
args << "-n" if dryrun
|
|
(branch = cmd_read(gitcmd + %W"symbolic-ref --short HEAD")).chomp!
|
|
(upstream = cmd_read(gitcmd + %W"branch --list --format=%(upstream) #{branch}")).chomp!
|
|
while ref = upstream[%r"\Arefs/heads/(.*)", 1]
|
|
upstream = cmd_read(gitcmd + %W"branch --list --format=%(upstream) #{ref}")
|
|
end
|
|
unless %r"\Arefs/remotes/([^/]+)/(.*)" =~ upstream
|
|
raise "Upstream not found"
|
|
end
|
|
args << $1 << "HEAD:#$2"
|
|
STDERR.puts(args.inspect) if dryrun
|
|
system(*args) or return false
|
|
true
|
|
end
|
|
end
|
|
|
|
class GITSVN < GIT
|
|
def self.revision_name(rev)
|
|
SVN.revision_name(rev)
|
|
end
|
|
|
|
def self.short_revision(rev)
|
|
SVN.short_revision(rev)
|
|
end
|
|
|
|
def format_changelog(r, path)
|
|
open(path, 'w') do |w|
|
|
sep = "-"*72
|
|
w.puts sep
|
|
while s = r.gets('')
|
|
author = s[/^Author:\s*(\S+)/, 1]
|
|
time = s[/^Date:\s*(.+)/, 1]
|
|
s = r.gets('')
|
|
s.gsub!(/^ {4}/, '')
|
|
s.sub!(/^git-svn-id: .*@(\d+) .*\n+\z/, '')
|
|
rev = $1
|
|
s.gsub!(/^ {8}/, '') if /^(?! {8}|$)/ !~ s
|
|
s.sub!(/\n\n\z/, "\n")
|
|
if /\A(\d+)-(\d+)-(\d+)/ =~ time
|
|
date = Time.new($1.to_i, $2.to_i, $3.to_i).strftime("%a, %d %b %Y")
|
|
end
|
|
lines = s.count("\n")
|
|
lines = "#{lines} line#{lines == 1 ? '' : 's'}"
|
|
w.puts "r#{rev} | #{author} | #{time} (#{date}) | #{lines}\n\n"
|
|
w.puts s, sep
|
|
end
|
|
end
|
|
end
|
|
|
|
def last_changed_revision
|
|
rev = cmd_read(%W"#{COMMAND} svn info"+[STDERR=>[:child, :out]])[/^Last Changed Rev: (\d+)/, 1]
|
|
com = cmd_read(%W"#{COMMAND} svn find-rev r#{rev}").chomp
|
|
return rev, com
|
|
end
|
|
|
|
def commit(opts = {})
|
|
dryrun = opts.fetch(:dryrun) {$DEBUG} if opts
|
|
rev, com = last_changed_revision
|
|
head = cmd_read(%W"#{COMMAND} symbolic-ref --short HEAD").chomp
|
|
|
|
commits = cmd_read([COMMAND, "log", "--reverse", "--format=%H %ae %ce", "#{com}..@"], "rb").split("\n")
|
|
commits.each_with_index do |l, i|
|
|
r, a, c = l.split
|
|
dcommit = [COMMAND, "svn", "dcommit"]
|
|
dcommit.insert(-2, "-n") if dryrun
|
|
dcommit << "--add-author-from" unless a == c
|
|
dcommit << r
|
|
system(*dcommit) or return false
|
|
system(COMMAND, "checkout", head) or return false
|
|
system(COMMAND, "rebase") or return false
|
|
end
|
|
|
|
if rev
|
|
old = [cmd_read(%W"#{COMMAND} log -1 --format=%H").chomp]
|
|
old << cmd_read(%W"#{COMMAND} svn reset -r#{rev}")[/^r#{rev} = (\h+)/, 1]
|
|
3.times do
|
|
sleep 2
|
|
system(*%W"#{COMMAND} pull --no-edit --rebase")
|
|
break unless old.include?(cmd_read(%W"#{COMMAND} log -1 --format=%H").chomp)
|
|
end
|
|
end
|
|
true
|
|
end
|
|
end
|
|
end
|