mdw@git.distorted.org.uk Git - stgit/blob - stgit/commands/patches.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 import sys, os
  19 from optparse import OptionParser, make_option
  20 from pydoc import pager
  21
  22 from stgit.commands.common import *
  23 from stgit.utils import *
  24 from stgit import stack, git
  25
  26
  27 help = 'show the patches modifying a file'
  28 usage = """%prog [options] <file> [<file>...]
  29
  30 Show the applied patches modifying the given files. The '--diff'
  31 option also lists the patch log and the diff for the given files."""
  32
  33 options = [make_option('-d', '--diff',
  34                        help = 'show the diff for the given files',
  35                        action = 'store_true')]
  36
  37 diff_tmpl = \
  38           '-------------------------------------------------------------------------------\n' \
  39           '%s\n' \
  40           '-------------------------------------------------------------------------------\n' \
  41           '%s' \
  42           '---\n\n' \
  43           '%s'
  44
  45 def func(parser, options, args):
  46     """Show the patches modifying a file
  47     """
  48     if len(args) < 1:
  49         parser.error('incorrect number of arguments')
  50
  51     applied = crt_series.get_applied()
  52     if not applied:
  53         raise CmdException, 'No patches applied'
  54
  55     revs = git.modifying_revs(args, git_id('base'))
  56     revs.reverse()
  57
  58     # build the patch/revision mapping
  59     rev_patch = dict()
  60     for name in applied:
  61         patch = crt_series.get_patch(name)
  62         rev_patch[patch.get_top()] = patch
  63
  64     # print the patch names
  65     diff_output = ''
  66     for rev in revs:
  67         if rev in rev_patch:
  68             patch = rev_patch[rev]
  69             if options.diff:
  70                 diff_output += diff_tmpl \
  71                                % (patch.get_name(), patch.get_description(),
  72                                   git.diff(args, patch.get_bottom(),
  73                                            patch.get_top()))
  74             else:
  75                 print patch.get_name()
  76
  77     if options.diff:
  78         pager(diff_output)