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 pydoc import pager
  20 from stgit.argparse import opt
  21 from stgit.commands.common import *
  22 from stgit.utils import *
  23 from stgit.out import *
  24 from stgit import argparse, stack, git
  25
  26 help = 'Show the applied patches modifying a file'
  27 kind = 'stack'
  28 usage = ['[options] [<files or dirs>]']
  29 description = """
  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 args = [argparse.known_files]
  36 options = [
  37     opt('-d', '--diff', action = 'store_true',
  38         short = 'Show the diff for the given files'),
  39     opt('-b', '--branch', args = [argparse.stg_branches],
  40         short = 'Use BRANCH instead of the default branch')]
  41
  42 directory = DirectoryHasRepository(log = False)
  43
  44 diff_tmpl = \
  45           '-------------------------------------------------------------------------------\n' \
  46           '%s\n' \
  47           '-------------------------------------------------------------------------------\n' \
  48           '%s' \
  49           '---\n\n' \
  50           '%s'
  51
  52 def func(parser, options, args):
  53     """Show the patches modifying a file
  54     """
  55     if not args:
  56         files = [path for (stat,path) in git.tree_status(verbose = True)]
  57         # git.tree_status returns absolute paths
  58     else:
  59         files = git.ls_files(args)
  60     directory.cd_to_topdir()
  61
  62     if not files:
  63         raise CmdException, 'No files specified or no local changes'
  64
  65     applied = crt_series.get_applied()
  66     if not applied:
  67         raise CmdException, 'No patches applied'
  68
  69     revs = git.modifying_revs(files, crt_series.get_base(),
  70                               crt_series.get_head())
  71     revs.reverse()
  72
  73     # build the patch/revision mapping
  74     rev_patch = dict()
  75     for name in applied:
  76         patch = crt_series.get_patch(name)
  77         rev_patch[patch.get_top()] = patch
  78
  79     # print the patch names
  80     diff_output = ''
  81     for rev in revs:
  82         if rev in rev_patch:
  83             patch = rev_patch[rev]
  84             if options.diff:
  85                 diff_output += diff_tmpl \
  86                                % (patch.get_name(), patch.get_description(),
  87                                   git.diff(files, patch.get_bottom(),
  88                                            patch.get_top()))
  89             else:
  90                 out.stdout(patch.get_name())
  91
  92     if options.diff:
  93         pager(diff_output)