chiark - git - mdw - stgit/blob - stgit/commands/delete.py

   1
   2 __copyright__ = """
   3 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License version 2 as
   7 published by the Free Software Foundation.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 """
  18
  19 from stgit.argparse import opt
  20 from stgit.commands import common
  21 from stgit.lib import transaction
  22
  23 help = 'Delete patches'
  24 usage = ['[options] <patch1> [<patch2>] [<patch3>..<patch4>]']
  25 description = """
  26 Delete the patches passed as arguments.
  27
  28 Note that the 'delete' operation is irreversible."""
  29
  30 options = [
  31     opt('-b', '--branch',
  32         short = 'Use BRANCH instead of the default branch')]
  33
  34 directory = common.DirectoryHasRepositoryLib()
  35
  36 def func(parser, options, args):
  37     """Delete one or more patches."""
  38     stack = directory.repository.get_stack(options.branch)
  39     if options.branch:
  40         iw = None # can't use index/workdir to manipulate another branch
  41     else:
  42         iw = stack.repository.default_iw
  43     if args:
  44         patches = set(common.parse_patches(args, list(stack.patchorder.all)))
  45     else:
  46         parser.error('No patches specified')
  47     def allow_conflicts(trans):
  48         # Allow conflicts if the topmost patch stays the same.
  49         if stack.patchorder.applied:
  50             return (trans.applied
  51                     and trans.applied[-1] == stack.patchorder.applied[-1])
  52         else:
  53             return not trans.applied
  54     trans = transaction.StackTransaction(stack, 'delete',
  55                                          allow_conflicts = allow_conflicts)
  56     try:
  57         to_push = trans.delete_patches(lambda pn: pn in patches)
  58         for pn in to_push:
  59             trans.push_patch(pn, iw)
  60     except transaction.TransactionHalted:
  61         pass
  62     return trans.run(iw)