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

   1
   2 __copyright__ = """
   3 Copyright (C) 2007, Yann Dirson <ydirson@altern.org>
   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 = 'send patches deeper down the stack'
  28 usage = """%prog [-t <target patch>] [-n] [<patches>]
  29
  30 Pop all patches (or all patches including <target patch>), then
  31 push the specified <patches> (the current patch by default), and
  32 then push back into place the formerly-applied patches (unless -n
  33 is also given)."""
  34
  35 directory = DirectoryGotoToplevel()
  36 options = [make_option('-n', '--nopush',
  37                        help = 'do not push the patches back after sinking',
  38                        action = 'store_true'),
  39            make_option('-t', '--to', metavar = 'TARGET',
  40                        help = 'sink patches below TARGET patch')]
  41
  42 def func(parser, options, args):
  43     """Sink patches down the stack.
  44     """
  45
  46     check_local_changes()
  47     check_conflicts()
  48     check_head_top_equal(crt_series)
  49
  50     oldapplied = crt_series.get_applied()
  51     unapplied = crt_series.get_unapplied()
  52     all = oldapplied + unapplied
  53
  54     if options.to and not options.to in oldapplied:
  55         raise CmdException('Cannot sink below %s, since it is not applied'
  56                            % options.to)
  57
  58     if len(args) > 0:
  59         patches = parse_patches(args, all)
  60     else:
  61         current = crt_series.get_current()
  62         if not current:
  63             raise CmdException('No patch applied')
  64         patches = [current]
  65
  66     before_patches = after_patches = []
  67
  68     # pop necessary patches
  69     if oldapplied:
  70         if options.to:
  71             pop_idx = oldapplied.index(options.to)
  72         else:
  73             pop_idx = 0
  74         after_patches = [p for p in oldapplied[pop_idx:] if p not in patches]
  75
  76         # find the deepest patch to pop
  77         sink_applied = [p for p in oldapplied if p in patches]
  78         if sink_applied:
  79             sinked_idx = oldapplied.index(sink_applied[0])
  80             if sinked_idx < pop_idx:
  81                 # this is the case where sink brings patches forward
  82                 before_patches = [p for p in oldapplied[sinked_idx:pop_idx]
  83                                   if p not in patches]
  84                 pop_idx = sinked_idx
  85
  86         crt_series.pop_patch(oldapplied[pop_idx])
  87
  88     push_patches(crt_series, before_patches)
  89     push_patches(crt_series, patches)
  90     if not options.nopush:
  91         push_patches(crt_series, after_patches)