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 applied patches modifying a file'
  28 usage = """%prog [options] [<files...>]
  29
  30 Show the applied patches modifying the given files. Without arguments,
  31 it shows the patches affected by the local tree modifications. The
  32 '--diff' option also lists the patch log and the diff for the given
  33 files."""
  34
  35 options = [make_option('-d', '--diff',
  36                        help = 'show the diff for the given files',
  37                        action = 'store_true'),
  38            make_option('-b', '--branch',
  39                        help = 'use BRANCH instead of the default one')]
  40
  41 diff_tmpl = \
  42           '-------------------------------------------------------------------------------\n' \
  43           '%s\n' \
  44           '-------------------------------------------------------------------------------\n' \
  45           '%s' \
  46           '---\n\n' \
  47           '%s'
  48
  49 def func(parser, options, args):
  50     """Show the patches modifying a file
  51     """
  52     if not args:
  53         files = [stat[1] for stat in git.tree_status(verbose = True)]
  54     else:
  55         files = args
  56
  57     if not files:
  58         raise CmdException, 'No files specified or no local changes'
  59
  60     applied = crt_series.get_applied()
  61     if not applied:
  62         raise CmdException, 'No patches applied'
  63
  64     revs = git.modifying_revs(files, crt_series.get_base(),
  65                               crt_series.get_head())
  66     revs.reverse()
  67
  68     # build the patch/revision mapping
  69     rev_patch = dict()
  70     for name in applied:
  71         patch = crt_series.get_patch(name)
  72         rev_patch[patch.get_top()] = patch
  73
  74     # print the patch names
  75     diff_output = ''
  76     for rev in revs:
  77         if rev in rev_patch:
  78             patch = rev_patch[rev]
  79             if options.diff:
  80                 diff_output += diff_tmpl \
  81                                % (patch.get_name(), patch.get_description(),
  82                                   git.diff(files, patch.get_bottom(),
  83                                            patch.get_top()))
  84             else:
  85                 out.stdout(patch.get_name())
  86
  87     if options.diff:
  88         pager(diff_output)