| 1 | # -*- coding: utf-8 -*- |
| 2 | |
| 3 | __copyright__ = """ |
| 4 | Copyright (C) 2008, Karl Hasselström <kha@treskal.com> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License version 2 as |
| 8 | published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | """ |
| 19 | |
| 20 | from stgit.argparse import opt |
| 21 | from stgit.commands import common |
| 22 | from stgit.lib import log, transaction |
| 23 | |
| 24 | help = 'Undo the last undo operation' |
| 25 | kind = 'stack' |
| 26 | usage = [''] |
| 27 | description = """ |
| 28 | If the last command was an undo, reset the patch stack to the state it |
| 29 | had before the undo. Consecutive invocations of "stg redo" will undo |
| 30 | the effects of consecutive invocations of "stg undo". |
| 31 | |
| 32 | It is an error to run "stg redo" if the last command was not an |
| 33 | undo.""" |
| 34 | |
| 35 | options = [ |
| 36 | opt('-n', '--number', type = 'int', metavar = 'N', default = 1, |
| 37 | short = 'Undo the last N undos'), |
| 38 | opt('--hard', action = 'store_true', |
| 39 | short = 'Discard changes in your index/worktree')] |
| 40 | |
| 41 | directory = common.DirectoryHasRepositoryLib() |
| 42 | |
| 43 | def func(parser, options, args): |
| 44 | stack = directory.repository.current_stack |
| 45 | if options.number < 1: |
| 46 | raise common.CmdException('Bad number of undos to redo') |
| 47 | state = log.undo_state(stack, -options.number) |
| 48 | trans = transaction.StackTransaction(stack, 'redo %d' % options.number, |
| 49 | discard_changes = options.hard) |
| 50 | try: |
| 51 | log.reset_stack(trans, stack.repository.default_iw, state, []) |
| 52 | except transaction.TransactionHalted: |
| 53 | pass |
| 54 | return trans.run(stack.repository.default_iw) |