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 optparse import make_option
  20
  21 from stgit.commands import common
  22 from stgit.lib import transaction
  23
  24 help = 'delete patches'
  25 usage = """%prog [options] <patch1> [<patch2>] [<patch3>..<patch4>]
  26
  27 Delete the patches passed as arguments.
  28
  29 Note that the 'delete' operation is irreversible."""
  30
  31 directory = common.DirectoryHasRepositoryLib()
  32 options = [make_option('-b', '--branch',
  33                        help = 'use BRANCH instead of the default one')]
  34
  35 def func(parser, options, args):
  36     """Delete one or more patches."""
  37     stack = directory.repository.get_stack(options.branch)
  38     if options.branch:
  39         iw = None # can't use index/workdir to manipulate another branch
  40     else:
  41         iw = stack.repository.default_iw
  42     if args:
  43         patches = set(common.parse_patches(args, list(stack.patchorder.all)))
  44     else:
  45         parser.error('No patches specified')
  46     def allow_conflicts(trans):
  47         # Allow conflicts if the topmost patch stays the same.
  48         if stack.patchorder.applied:
  49             return (trans.applied
  50                     and trans.applied[-1] == stack.patchorder.applied[-1])
  51         else:
  52             return not trans.applied
  53     trans = transaction.StackTransaction(stack, 'delete',
  54                                          allow_conflicts = allow_conflicts)
  55     try:
  56         to_push = trans.delete_patches(lambda pn: pn in patches)
  57         for pn in to_push:
  58             trans.push_patch(pn, iw)
  59     except transaction.TransactionHalted:
  60         pass
  61     return trans.run(iw)