mdw@git.distorted.org.uk Git - stgit/blob - stgit/commands/goto.py

   1 __copyright__ = """
   2 Copyright (C) 2006, Catalin Marinas <catalin.marinas@gmail.com>
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License version 2 as
   6 published by the Free Software Foundation.
   7
   8 This program is distributed in the hope that it will be useful,
   9 but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 GNU General Public License for more details.
  12
  13 You should have received a copy of the GNU General Public License
  14 along with this program; if not, write to the Free Software
  15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 """
  17
  18 from optparse import OptionParser, make_option
  19 from stgit.commands import common
  20 from stgit.lib import transaction
  21
  22 help = 'push or pop patches to the given one'
  23 usage = """%prog [options] <name>
  24
  25 Push/pop patches to/from the stack until the one given on the command
  26 line becomes current. There is no '--undo' option for 'goto'. Use the
  27 'push --undo' command for this."""
  28
  29 directory = common.DirectoryHasRepositoryLib()
  30 options = []
  31
  32 def func(parser, options, args):
  33     if len(args) != 1:
  34         parser.error('incorrect number of arguments')
  35     patch = args[0]
  36
  37     stack = directory.repository.current_stack
  38     iw = stack.repository.default_iw
  39     trans = transaction.StackTransaction(stack, 'goto')
  40     if patch in trans.applied:
  41         to_pop = set(trans.applied[trans.applied.index(patch)+1:])
  42         assert not trans.pop_patches(lambda pn: pn in to_pop)
  43     elif patch in trans.unapplied:
  44         try:
  45             for pn in trans.unapplied[:trans.unapplied.index(patch)+1]:
  46                 trans.push_patch(pn, iw)
  47         except transaction.TransactionHalted:
  48             pass
  49     else:
  50         raise common.CmdException('Patch "%s" does not exist' % patch)
  51     return trans.run(iw)