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 stgit.commands import common
  19 from stgit.lib import transaction
  20 from stgit import argparse
  21
  22 help = 'Push or pop patches to the given one'
  23 kind = 'stack'
  24 usage = ['<patch-name>']
  25 description = """
  26 Push/pop patches to/from the stack until the one given on the command
  27 line becomes current."""
  28
  29 args = [argparse.other_applied_patches, argparse.unapplied_patches]
  30 options = []
  31
  32 directory = common.DirectoryHasRepositoryLib()
  33
  34 def func(parser, options, args):
  35     if len(args) != 1:
  36         parser.error('incorrect number of arguments')
  37     patch = args[0]
  38
  39     stack = directory.repository.current_stack
  40     iw = stack.repository.default_iw
  41     trans = transaction.StackTransaction(stack, 'goto')
  42     if patch in trans.applied:
  43         to_pop = set(trans.applied[trans.applied.index(patch)+1:])
  44         assert not trans.pop_patches(lambda pn: pn in to_pop)
  45     elif patch in trans.unapplied:
  46         try:
  47             for pn in trans.unapplied[:trans.unapplied.index(patch)+1]:
  48                 trans.push_patch(pn, iw)
  49         except transaction.TransactionHalted:
  50             pass
  51     elif patch in trans.hidden:
  52         raise common.CmdException('Cannot goto a hidden patch')
  53     else:
  54         raise common.CmdException('Patch "%s" does not exist' % patch)
  55     return trans.run(iw)