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vcs.rb: split
* tool/vcs.rb: split from file2lastrev.rb. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu
parent
671707b546
commit
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2 changed files with 103 additions and 101 deletions
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@ -1,110 +1,10 @@
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#!/usr/bin/env ruby
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ENV.delete('PWD')
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require 'optparse'
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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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require File.expand_path('../vcs', __FILE__)
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Program = $0
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class VCS
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class NotFoundError < RuntimeError; end
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@@dirs = []
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def self.register(dir)
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@@dirs << [dir, self]
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end
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def self.detect(path)
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@@dirs.each do |dir, klass|
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return klass.new(path) if File.directory?(File.join(path, dir))
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prev = path
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loop {
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curr = File.realpath(File.join(prev, '..'))
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break if curr == prev # stop at the root directory
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return klass.new(path) if File.directory?(File.join(curr, dir))
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prev = curr
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}
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end
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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 initialize(path)
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@srcdir = path
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super()
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end
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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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path = relative_to(path)
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last, changed, *rest = Dir.chdir(@srcdir) {self.class.get_revisions(path)}
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last or raise "last revision not found"
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changed or raise "changed revision not found"
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return last, changed, *rest
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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.realpath(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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class SVN < self
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register(".svn")
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def self.get_revisions(path)
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begin
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nulldevice = %w[/dev/null NUL NIL: NL:].find {|dev| File.exist?(dev)}
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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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info_xml = `svn info --xml "#{path}"`
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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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_, last, _, changed, _ = info_xml.split(/revision="(\d+)"/)
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[last, changed]
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end
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end
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class GIT < self
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register(".git")
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def self.get_revisions(path)
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logcmd = %Q[git log -n1 --grep="^ *git-svn-id: .*@[0-9][0-9]* "]
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idpat = /git-svn-id: .*?@(\d+) \S+\Z/
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last = `#{logcmd}`[idpat, 1]
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changed = path ? `#{logcmd} "#{path}"`[idpat, 1] : last
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[last, changed]
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end
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end
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end
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@output = nil
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def self.output=(output)
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if @output and @output != output
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102
tool/vcs.rb
Normal file
102
tool/vcs.rb
Normal file
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@ -0,0 +1,102 @@
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# 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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class VCS
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class NotFoundError < RuntimeError; end
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@@dirs = []
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def self.register(dir)
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@@dirs << [dir, self]
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end
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def self.detect(path)
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@@dirs.each do |dir, klass|
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return klass.new(path) if File.directory?(File.join(path, dir))
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prev = path
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loop {
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curr = File.realpath(File.join(prev, '..'))
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break if curr == prev # stop at the root directory
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return klass.new(path) if File.directory?(File.join(curr, dir))
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prev = curr
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}
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end
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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 initialize(path)
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@srcdir = path
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super()
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end
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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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path = relative_to(path)
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last, changed, *rest = Dir.chdir(@srcdir) {self.class.get_revisions(path)}
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last or raise "last revision not found"
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changed or raise "changed revision not found"
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return last, changed, *rest
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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.realpath(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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class SVN < self
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register(".svn")
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def self.get_revisions(path)
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begin
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nulldevice = %w[/dev/null NUL NIL: NL:].find {|dev| File.exist?(dev)}
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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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info_xml = `svn info --xml "#{path}"`
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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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_, last, _, changed, _ = info_xml.split(/revision="(\d+)"/)
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[last, changed]
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end
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end
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class GIT < self
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register(".git")
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def self.get_revisions(path)
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logcmd = %Q[git log -n1 --grep="^ *git-svn-id: .*@[0-9][0-9]* "]
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idpat = /git-svn-id: .*?@(\d+) \S+\Z/
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last = `#{logcmd}`[idpat, 1]
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changed = path ? `#{logcmd} "#{path}"`[idpat, 1] : last
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[last, changed]
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end
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end
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end
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