stgit/commands/top.py

   1 from stgit.argparse import opt
   2 from stgit.commands.common import CmdException, DirectoryHasRepository
   3 from stgit.out import out
   4
   5 __copyright__ = """
   6 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License version 2 as
  10 published by the Free Software Foundation.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, see http://www.gnu.org/licenses/.
  19 """
  20
  21 help = 'Print the name of the top patch'
  22 kind = 'stack'
  23 usage = ['']
  24 description = """
  25 Print the name of the current (topmost) patch."""
  26
  27 args = []
  28 options = [
  29     opt(
  30         '-b',
  31         '--branch',
  32         args=['stg_branches'],
  33         short='Use BRANCH instead of the default branch',
  34     )
  35 ]
  36
  37 directory = DirectoryHasRepository()
  38
  39
  40 def func(parser, options, args):
  41     """Show the name of the topmost patch"""
  42     if len(args) != 0:
  43         parser.error('incorrect number of arguments')
  44
  45     stack = directory.repository.get_stack(options.branch)
  46     applied = stack.patchorder.applied
  47
  48     if applied:
  49         out.stdout(applied[-1])
  50     else:
  51         raise CmdException('No patches applied')