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

   1 """Function/variables commmon to all the commands
   2 """
   3
   4 __copyright__ = """
   5 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License version 2 as
   9 published by the Free Software Foundation.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19 """
  20
  21 import sys, os, re
  22 from optparse import OptionParser, make_option
  23
  24 from stgit.utils import *
  25 from stgit import stack, git
  26
  27
  28 # Command exception class
  29 class CmdException(Exception):
  30     pass
  31
  32
  33 # Utility functions
  34 def git_id(string):
  35     """Return the GIT id
  36     """
  37     if not string:
  38         return None
  39
  40     string_list = string.split('/')
  41
  42     if len(string_list) == 1:
  43         patch_name = None
  44         git_id = string_list[0]
  45
  46         if git_id == 'HEAD':
  47             return git.get_head()
  48         if git_id == 'base':
  49             return read_string(crt_series.get_base_file())
  50
  51         for path in [os.path.join(git.base_dir, 'refs', 'heads'),
  52                      os.path.join(git.base_dir, 'refs', 'tags')]:
  53             id_file = os.path.join(path, git_id)
  54             if os.path.isfile(id_file):
  55                 return read_string(id_file)
  56
  57         # maybe GIT know more about this id
  58         return git_id
  59     elif len(string_list) == 2:
  60         patch_name = string_list[0]
  61         if patch_name == '':
  62             patch_name = crt_series.get_current()
  63         git_id = string_list[1]
  64
  65         if not patch_name:
  66             raise CmdException, 'No patches applied'
  67         elif not (patch_name in crt_series.get_applied()
  68                 + crt_series.get_unapplied()):
  69             raise CmdException, 'Unknown patch "%s"' % patch_name
  70
  71         if git_id == 'bottom':
  72             return crt_series.get_patch(patch_name).get_bottom()
  73         if git_id == 'top':
  74             return crt_series.get_patch(patch_name).get_top()
  75
  76     raise CmdException, 'Unknown id: %s' % string
  77
  78 def check_local_changes():
  79     if git.local_changes():
  80         raise CmdException, \
  81               'local changes in the tree. Use "refresh" to commit them'
  82
  83 def check_head_top_equal():
  84     if not crt_series.head_top_equal():
  85         raise CmdException, \
  86               'HEAD and top are not the same. You probably committed\n' \
  87               '  changes to the tree ouside of StGIT. If you know what you\n' \
  88               '  are doing, use the "refresh -f" command'
  89
  90 def check_conflicts():
  91     if os.path.exists(os.path.join(git.base_dir, 'conflicts')):
  92         raise CmdException, 'Unsolved conflicts. Please resolve them first'
  93
  94 def print_crt_patch():
  95     patch = crt_series.get_current()
  96     if patch:
  97         print 'Now at patch "%s"' % patch
  98     else:
  99         print 'No patches applied'
 100
 101 def resolved(filename):
 102     git.update_cache([filename])
 103     for ext in ['.local', '.older', '.remote']:
 104         fn = filename + ext
 105         if os.path.isfile(fn):
 106             os.remove(fn)
 107
 108 def resolved_all():
 109     conflicts = git.get_conflicts()
 110     if conflicts:
 111         for filename in conflicts:
 112             resolved(filename)
 113         os.remove(os.path.join(git.base_dir, 'conflicts'))
 114
 115 def name_email(string):
 116     """Return a tuple consisting of the name and email parsed from a
 117     standard 'name <email>' string
 118     """
 119     names = re.split('([^<>]*)<([^<>]*)>', string)
 120     if len(names) != 4:
 121         raise CmdException, 'Incorrect "name <email>" string: %s' % string
 122
 123     return tuple([names[1].strip(), names[2].strip()])