mdw@git.distorted.org.uk Git - stgit/blob - stgit/commands/pop.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 import sys, os
  20 from optparse import OptionParser, make_option
  21
  22 from stgit.commands.common import *
  23 from stgit.utils import *
  24 from stgit import stack, git
  25
  26
  27 help = 'pop the top of the series'
  28 usage = """%prog [options]
  29
  30 Pop the topmost patch or a range of patches starting with the topmost
  31 one from the stack. The command fails if there are local changes or
  32 conflicts."""
  33
  34 options = [make_option('-a', '--all',
  35                        help = 'pop all the applied patches',
  36                        action = 'store_true'),
  37            make_option('-n', '--number', type = 'int',
  38                        help = 'pop the specified number of patches'),
  39            make_option('-t', '--to', metavar = 'PATCH',
  40                        help = 'pop all patches up to PATCH')]
  41
  42
  43 def func(parser, options, args):
  44     """Pop the topmost patch from the stack
  45     """
  46     if len(args) != 0:
  47         parser.error('incorrect number of arguments')
  48
  49     check_local_changes()
  50     check_conflicts()
  51     check_head_top_equal()
  52
  53     applied = crt_series.get_applied()
  54     if not applied:
  55         raise CmdException, 'No patches applied'
  56     applied.reverse()
  57
  58     if options.to:
  59         if options.to not in applied:
  60             raise CmdException, 'Patch "%s" not applied' % options.to
  61         patches = applied[:applied.index(options.to)]
  62     elif options.number:
  63         patches = applied[:options.number]
  64     elif options.all:
  65         patches = applied
  66     else:
  67         patches = [applied[0]]
  68
  69     if patches == []:
  70         raise CmdException, 'No patches to pop'
  71
  72     # pop everything to the given patch
  73     p = patches[-1]
  74     if len(patches) == 1:
  75         print 'Popping patch "%s"...' % p,
  76     else:
  77         print 'Popping "%s" - "%s" patches...' % (patches[0], p),
  78     sys.stdout.flush()
  79
  80     crt_series.pop_patch(p)
  81
  82     print 'done'
  83     print_crt_patch()