text: # -*- coding:utf-8 -*-
  #
  # Copyright (C) 2008 The Android Open Source Project
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from command import PagedCommand
  
  
  class Diff(PagedCommand):
    common = True
    helpSummary = "Show changes between commit and working tree"
    helpUsage = """
  %prog [<project>...]
  
  The -u option causes '%prog' to generate diff output with file paths
  relative to the repository root, so the output can be applied
  to the Unix 'patch' command.
  """
  
    def _Options(self, p):
      def cmd(option, opt_str, value, parser):
        setattr(parser.values, option.dest, list(parser.rargs))
        while parser.rargs:
          del parser.rargs[0]
      p.add_option('-u', '--absolute',
                   dest='absolute', action='store_true',
                   help='Paths are relative to the repository root')
  
    def Execute(self, opt, args):
      ret = 0
      for project in self.GetProjects(args):
        if not project.PrintWorkTreeDiff(opt.absolute):
          ret = 1
      return ret
  