chiark / gitweb /
40cef3fadec90c25d6facab27ae118acd33a06ad
[stgit] / 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 from stgit import argparse
23
24 help = 'Delete patches'
25 kind = 'patch'
26 usage = ['[options] <patch1> [<patch2>] [<patch3>..<patch4>]']
27 description = """
28 Delete the patches passed as arguments.
29
30 Note that the 'delete' operation is irreversible."""
31
32 args = [argparse.patch_range(argparse.applied_patches,
33                              argparse.unapplied_patches)]
34 options = [
35     opt('-b', '--branch', args = [argparse.stg_branches],
36         short = 'Use BRANCH instead of the default branch')]
37
38 directory = common.DirectoryHasRepositoryLib()
39
40 def func(parser, options, args):
41     """Delete one or more patches."""
42     stack = directory.repository.get_stack(options.branch)
43     if options.branch:
44         iw = None # can't use index/workdir to manipulate another branch
45     else:
46         iw = stack.repository.default_iw
47     if args:
48         patches = set(common.parse_patches(args, list(stack.patchorder.all)))
49     else:
50         parser.error('No patches specified')
51     def allow_conflicts(trans):
52         # Allow conflicts if the topmost patch stays the same.
53         if stack.patchorder.applied:
54             return (trans.applied
55                     and trans.applied[-1] == stack.patchorder.applied[-1])
56         else:
57             return not trans.applied
58     trans = transaction.StackTransaction(stack, 'delete',
59                                          allow_conflicts = allow_conflicts)
60     try:
61         to_push = trans.delete_patches(lambda pn: pn in patches)
62         for pn in to_push:
63             trans.push_patch(pn, iw)
64     except transaction.TransactionHalted:
65         pass
66     return trans.run(iw)