chiark - git - mdw - stgit/blob - stgit/commands/clean.py

   1 __copyright__ = """
   2 Copyright (C) 2005, 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 make_option
  19 from stgit.out import *
  20 from stgit.commands import common
  21 from stgit.lib import transaction
  22
  23 help = 'delete the empty patches in the series'
  24 usage = """%prog [options]
  25
  26 Delete the empty patches in the whole series or only those applied or
  27 unapplied. A patch is considered empty if the two commit objects
  28 representing its boundaries refer to the same tree object."""
  29
  30 directory = common.DirectoryHasRepositoryLib()
  31 options = [make_option('-a', '--applied',
  32                        help = 'delete the empty applied patches',
  33                        action = 'store_true'),
  34            make_option('-u', '--unapplied',
  35                        help = 'delete the empty unapplied patches',
  36                        action = 'store_true')]
  37
  38
  39 def _clean(stack, clean_applied, clean_unapplied):
  40     def deleting(pn):
  41         out.info('Deleting empty patch %s' % pn)
  42     trans = transaction.StackTransaction(stack, 'clean')
  43     if clean_unapplied:
  44         trans.unapplied = []
  45         for pn in stack.patchorder.unapplied:
  46             p = stack.patches.get(pn)
  47             if p.is_empty():
  48                 trans.patches[pn] = None
  49                 deleting(pn)
  50             else:
  51                 trans.unapplied.append(pn)
  52     if clean_applied:
  53         trans.applied = []
  54         parent = stack.base
  55         for pn in stack.patchorder.applied:
  56             p = stack.patches.get(pn)
  57             if p.is_empty():
  58                 trans.patches[pn] = None
  59                 deleting(pn)
  60             else:
  61                 if parent != p.commit.data.parent:
  62                     parent = trans.patches[pn] = stack.repository.commit(
  63                         p.commit.data.set_parent(parent))
  64                 else:
  65                     parent = p.commit
  66                 trans.applied.append(pn)
  67     trans.run()
  68
  69 def func(parser, options, args):
  70     """Delete the empty patches in the series
  71     """
  72     if len(args) != 0:
  73         parser.error('incorrect number of arguments')
  74
  75     if not (options.applied or options.unapplied):
  76         options.applied = options.unapplied = True
  77
  78     _clean(directory.repository.current_stack,
  79            options.applied, options.unapplied)