mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
b7ae26e2ee
* Use the given branch name instead of implicit 'HEAD". * Format like as git-svn when `from` or `to` is SVN revision number.
732 lines
20 KiB
Ruby
732 lines
20 KiB
Ruby
# vcs
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require 'fileutils'
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require 'optparse'
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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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class VCS
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DEBUG_OUT = STDERR.dup
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end
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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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VCS::DEBUG_OUT.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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VCS::DEBUG_OUT.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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VCS::DEBUG_OUT.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 = {}, parser = nil)
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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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if pred ? pred[curr, dir] : File.directory?(File.join(curr, dir))
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vcs = klass.new(curr)
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vcs.define_options(parser) if parser
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vcs.set_options(options)
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return vcs
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end
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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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def self.define_options(parser, opts = {})
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parser.separator(" VCS common options:")
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parser.define("--[no-]dryrun") {|v| opts[:dryrun] = v}
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parser.define("--[no-]debug") {|v| opts[:debug] = v}
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opts
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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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def chdir(path)
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@srcdir = path
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end
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def define_options(parser)
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end
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def set_options(opts)
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@debug = opts.fetch(:debug) {$DEBUG}
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@dryrun = opts.fetch(:dryrun) {@debug}
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end
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attr_reader :dryrun, :debug
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alias dryrun? dryrun
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alias debug? debug
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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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# returns
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# * the last revision of the current branch
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# * the last revision in which +path+ was modified
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# * the last modified time of +path+
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# * the last commit title since the latest upstream
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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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_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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FileUtils.rm_rf(Dir.glob("#{dir}/.git*"))
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end
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def revision_handler(rev)
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self.class
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end
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def revision_name(rev)
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revision_handler(rev).revision_name(rev)
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end
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def short_revision(rev)
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revision_handler(rev).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 _get_revisions(path, srcdir = nil)
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if srcdir and self.class.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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[Integer(last), Integer(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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@url ||= begin
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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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end
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def wcroot
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@wcroot ||= begin
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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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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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alias master trunk
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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 self
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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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self if $?.success?
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end
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def after_export(dir)
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super
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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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args = %W"#{COMMAND} commit"
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if dryrun?
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VCS::DEBUG_OUT.puts(args.inspect)
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return true
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end
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system(*args)
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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 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
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opts[:chdir] ||= srcdir
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end
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VCS::DEBUG_OUT.puts cmds.inspect if debug?
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cmds
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end
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def cmd_pipe_at(srcdir, cmds, &block)
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without_gitconfig { IO.popen(*cmd_args(cmds, srcdir), &block) }
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end
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def cmd_read_at(srcdir, cmds)
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result = without_gitconfig { IO.pread(*cmd_args(cmds, srcdir)) }
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VCS::DEBUG_OUT.puts result.inspect if debug?
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result
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end
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def cmd_pipe(*cmds, &block)
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cmd_pipe_at(@srcdir, cmds, &block)
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end
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def cmd_read(*cmds)
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cmd_read_at(@srcdir, cmds)
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end
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def svn_revision(log)
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if /^ *git-svn-id: .*@(\d+) .*\n+\z/ =~ log
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$1.to_i
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end
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end
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def _get_revisions(path, srcdir = nil)
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ref = Branch === path ? path.to_str : 'HEAD'
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gitcmd = [COMMAND]
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last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', ref]]).rstrip
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log = cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--date=iso', '--pretty=fuller', *path]])
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changed = log[/\Acommit (\h+)/, 1]
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modified = log[/^CommitDate:\s+(.*)/, 1]
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if rev = svn_revision(log)
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if changed == last
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last = rev
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else
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svn_rev = svn_revision(cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--format=%B', last]]))
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last = svn_rev if svn_rev
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end
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changed = rev
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end
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branch = cmd_read_at(srcdir, [gitcmd + %W[symbolic-ref --short #{ref}]])
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if branch.empty?
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branch = cmd_read_at(srcdir, [gitcmd + %W[describe --contains #{ref}]]).strip
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end
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if branch.empty?
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branch_list = cmd_read_at(srcdir, [gitcmd + %W[branch --list --contains #{ref}]]).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}..#{ref}]])
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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 revision_handler(rev)
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case rev
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when Integer
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|
SVN
|
|
else
|
|
super
|
|
end
|
|
end
|
|
|
|
def without_gitconfig
|
|
home = ENV.delete('HOME')
|
|
yield
|
|
ensure
|
|
ENV['HOME'] = home if home
|
|
end
|
|
|
|
def initialize(*)
|
|
super
|
|
@srcdir = File.realpath(@srcdir)
|
|
VCS::DEBUG_OUT.puts @srcdir.inspect if debug?
|
|
self
|
|
end
|
|
|
|
Branch = Struct.new(:to_str)
|
|
|
|
def branch(name)
|
|
Branch.new(name)
|
|
end
|
|
|
|
alias tag branch
|
|
|
|
def master
|
|
branch("master")
|
|
end
|
|
alias trunk master
|
|
|
|
def stable
|
|
cmd = %W"#{COMMAND} for-each-ref --format=\%(refname:short) refs/heads/ruby_[0-9]*"
|
|
branch(cmd_read(cmd)[/.*^(ruby_\d+_\d+)$/m, 1])
|
|
end
|
|
|
|
def branch_list(pat)
|
|
cmd = %W"#{COMMAND} for-each-ref --format=\%(refname:short) refs/heads/#{pat}"
|
|
cmd_pipe(cmd) {|f|
|
|
f.each {|line|
|
|
line.chomp!
|
|
yield line
|
|
}
|
|
}
|
|
end
|
|
|
|
def grep(pat, tag, *files, &block)
|
|
cmd = %W[#{COMMAND} grep -h --perl-regexp #{tag} --]
|
|
set = block.binding.eval("proc {|match| $~ = match}")
|
|
cmd_pipe(cmd+files) do |f|
|
|
f.grep(pat) do |s|
|
|
set[$~]
|
|
yield s
|
|
end
|
|
end
|
|
end
|
|
|
|
def export(revision, url, dir, keep_temp = false)
|
|
system(COMMAND, "clone", "-c", "advice.detachedHead=false", "-s", (@srcdir || '.').to_s, "-b", url, dir) or return
|
|
(Integer === revision ? GITSVN : GIT).new(File.expand_path(dir))
|
|
end
|
|
|
|
def branch_beginning(url)
|
|
cmd_read(%W[ #{COMMAND} log -n1 --format=format:%H
|
|
--author=matz --committer=matz --grep=has\ started
|
|
#{url.to_str} -- version.h include/ruby/version.h])
|
|
end
|
|
|
|
def export_changelog(url, from, to, path)
|
|
svn = nil
|
|
from, to = [from, to].map do |rev|
|
|
rev or next
|
|
if Integer === rev
|
|
svn = true
|
|
rev = cmd_read({'LANG' => 'C', 'LC_ALL' => 'C'},
|
|
%W"#{COMMAND} log -n1 --format=format:%H" <<
|
|
"--grep=^ *git-svn-id: .*@#{rev} ")
|
|
end
|
|
rev unless rev.empty?
|
|
end
|
|
unless /./.match(from) or /./.match(from = branch_beginning(url))
|
|
warn "no starting commit found", uplevel: 1
|
|
from = nil
|
|
end
|
|
unless svn or system(*%W"#{COMMAND} fetch origin refs/notes/commits:refs/notes/commits",
|
|
chdir: @srcdir, exception: false)
|
|
abort "Could not fetch notes/commits tree"
|
|
end
|
|
to ||= url.to_str
|
|
if from
|
|
arg = ["#{from}^..#{to}"]
|
|
else
|
|
arg = ["--since=25 Dec 00:00:00", to]
|
|
end
|
|
if svn
|
|
format_changelog_as_svn(path, arg)
|
|
else
|
|
format_changelog(path, arg)
|
|
end
|
|
end
|
|
|
|
def format_changelog(path, arg)
|
|
env = {'TZ' => 'JST-9', 'LANG' => 'C', 'LC_ALL' => 'C'}
|
|
cmd = %W"#{COMMAND} log --format=medium --notes=commits --topo-order --no-merges"
|
|
date = "--date=iso-local"
|
|
unless system(env, *cmd, date, chdir: @srcdir, out: NullDevice, exception: false)
|
|
date = "--date=iso"
|
|
end
|
|
cmd << date
|
|
cmd.concat(arg)
|
|
system(env, *cmd, chdir: @srcdir, out: path)
|
|
end
|
|
|
|
def format_changelog_as_svn(path, arg)
|
|
cmd = %W"#{COMMAND} log --topo-order --no-notes -z --format=%an%n%at%n%B"
|
|
cmd.concat(arg)
|
|
open(path, 'w') do |w|
|
|
sep = "-"*72 + "\n"
|
|
w.print sep
|
|
cmd_pipe(cmd) do |r|
|
|
while s = r.gets("\0")
|
|
s.chomp!("\0")
|
|
author, time, s = s.split("\n", 3)
|
|
s.sub!(/\n\ngit-svn-id: .*@(\d+) .*\n\Z/, '')
|
|
rev = $1
|
|
time = Time.at(time.to_i).getlocal("+09:00").strftime("%F %T %z (%a, %d %b %Y)")
|
|
lines = s.count("\n") + 1
|
|
lines = "#{lines} line#{lines == 1 ? '' : 's'}"
|
|
w.print "r#{rev} | #{author} | #{time} | #{lines}\n\n", s, "\n", sep
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def upstream
|
|
(branch = cmd_read(%W"#{COMMAND} symbolic-ref --short HEAD")).chomp!
|
|
(upstream = cmd_read(%W"#{COMMAND} branch --list --format=%(upstream) #{branch}")).chomp!
|
|
while ref = upstream[%r"\Arefs/heads/(.*)", 1]
|
|
upstream = cmd_read(%W"#{COMMAND} branch --list --format=%(upstream) #{ref}")
|
|
end
|
|
unless %r"\Arefs/remotes/([^/]+)/(.*)" =~ upstream
|
|
raise "Upstream not found"
|
|
end
|
|
[$1, $2]
|
|
end
|
|
|
|
def commit(opts = {})
|
|
args = [COMMAND, "push"]
|
|
args << "-n" if dryrun
|
|
remote, branch = upstream
|
|
args << remote
|
|
branches = %W[refs/notes/commits:refs/notes/commits HEAD:#{branch}]
|
|
if dryrun?
|
|
branches.each do |b|
|
|
VCS::DEBUG_OUT.puts((args + [b]).inspect)
|
|
end
|
|
return true
|
|
end
|
|
branches.each do |b|
|
|
system(*(args + [b])) or return false
|
|
end
|
|
true
|
|
end
|
|
end
|
|
|
|
class GITSVN < GIT
|
|
def self.revision_name(rev)
|
|
SVN.revision_name(rev)
|
|
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 = {})
|
|
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
|