stgit/commands/float.py

   1 import io
   2 import re
   3 import sys
   4
   5 from stgit.argparse import keep_option, opt, patch_range
   6 from stgit.commands.common import CmdException, DirectoryHasRepository, parse_patches
   7 from stgit.lib import transaction
   8
   9 __copyright__ = """
  10 Copyright (C) 2006, Robin Rosenberg <robin.rosenberg@dewire.com>
  11 Modified by Catalin Marinas
  12
  13 This program is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License version 2 as
  15 published by the Free Software Foundation.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, see http://www.gnu.org/licenses/.
  24 """
  25
  26 help = 'Push patches to the top, even if applied'
  27 kind = 'stack'
  28 usage = ['[--] <patches>', '-s <series>']
  29 description = """
  30 Float a patch or range of patches to be the top-most applied patches.
  31 The patches to be floated may currently be either applied or unapplied.
  32 The necessary pop and push operations will be performed to float the
  33 named patches.  Patches not specified will remain applied or unapplied
  34 as they were prior to the float operation."""
  35
  36 args = [patch_range('applied_patches', 'unapplied_patches')]
  37 options = [
  38     opt(
  39         '--noapply',
  40         action='store_true',
  41         short='Reorder patches by floating without applying.',
  42     ),
  43     opt(
  44         '-s',
  45         '--series',
  46         metavar='FILE',
  47         short='Rearrange according to the series FILE',
  48     ),
  49 ]
  50 options.extend(keep_option())
  51
  52 directory = DirectoryHasRepository()
  53
  54
  55 def func(parser, options, args):
  56     """Reorder patches to make the named patch the topmost one."""
  57     if options.series and args:
  58         parser.error('<patches> cannot be used with --series')
  59     elif not options.series and not args:
  60         parser.error('incorrect number of arguments')
  61
  62     stack = directory.repository.current_stack
  63
  64     if options.series:
  65         if options.series == '-':
  66             f = io.open(sys.stdin.fileno())
  67         else:
  68             f = io.open(options.series)
  69
  70         patches = []
  71         for line in f:
  72             patch = re.sub('#.*$', '', line).strip()
  73             if patch:
  74                 patches.append(patch)
  75         patches = parse_patches(patches, stack.patchorder.all)
  76     else:
  77         patches = parse_patches(args, stack.patchorder.all)
  78
  79     if not patches:
  80         raise CmdException('No patches to float')
  81
  82     iw = stack.repository.default_iw
  83     if options.keep or (
  84         options.noapply and not any(pn in stack.patchorder.applied for pn in patches)
  85     ):
  86         clean_iw = None
  87     else:
  88         clean_iw = iw
  89     trans = transaction.StackTransaction(stack, 'float', check_clean_iw=clean_iw)
  90
  91     if options.noapply:
  92         applied = [p for p in trans.applied if p not in patches]
  93         unapplied = patches + [p for p in trans.unapplied if p not in patches]
  94     else:
  95         applied = [p for p in trans.applied if p not in patches] + patches
  96         unapplied = [p for p in trans.unapplied if p not in patches]
  97
  98     try:
  99         trans.reorder_patches(applied, unapplied, iw=iw)
 100     except transaction.TransactionHalted:
 101         pass
 102     return trans.run(iw)