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     if len(string_list) == 2:
  42         patch_id = string_list[1]
  43         if not patch_id:
  44             patch_id = 'top'
  45     elif len(string_list) == 1:
  46         patch_id = 'top'
  47     else:
  48         patch_id = None
  49
  50     patch_branch = string_list[0].split('@')
  51     if len(patch_branch) == 1:
  52         series = crt_series
  53     elif len(patch_branch) == 2:
  54         series = stack.Series(patch_branch[1])
  55     else:
  56         raise CmdException, 'Unknown id: %s' % string
  57
  58     patch_name = patch_branch[0]
  59     if not patch_name:
  60         patch_name = series.get_current()
  61         if not patch_name:
  62             raise CmdException, 'No patches applied'
  63
  64     # patch
  65     if patch_name in series.get_applied() \
  66            or patch_name in series.get_unapplied():
  67         if patch_id == 'top':
  68             return series.get_patch(patch_name).get_top()
  69         elif patch_id == 'bottom':
  70             return series.get_patch(patch_name).get_bottom()
  71         # Note we can return None here.
  72         elif patch_id == 'top.old':
  73             return series.get_patch(patch_name).get_old_top()
  74         elif patch_id == 'bottom.old':
  75             return series.get_patch(patch_name).get_old_bottom()
  76
  77     # base
  78     if patch_name == 'base' and len(string_list) == 1:
  79         return read_string(series.get_base_file())
  80
  81     # anything else failed
  82     return git.rev_parse(string)
  83
  84 def check_local_changes():
  85     if git.local_changes():
  86         raise CmdException, \
  87               'local changes in the tree. Use "refresh" to commit them'
  88
  89 def check_head_top_equal():
  90     if not crt_series.head_top_equal():
  91         raise CmdException, \
  92               'HEAD and top are not the same. You probably committed\n' \
  93               '  changes to the tree ouside of StGIT. If you know what you\n' \
  94               '  are doing, use the "refresh -f" command'
  95
  96 def check_conflicts():
  97     if os.path.exists(os.path.join(git.base_dir, 'conflicts')):
  98         raise CmdException, 'Unsolved conflicts. Please resolve them first'
  99
 100 def print_crt_patch(branch = None):
 101     if not branch:
 102         patch = crt_series.get_current()
 103     else:
 104         patch = stack.Series(branch).get_current()
 105
 106     if patch:
 107         print 'Now at patch "%s"' % patch
 108     else:
 109         print 'No patches applied'
 110
 111 def resolved(filename, reset = None):
 112     if reset:
 113         reset_file = filename + '.' + reset
 114         if os.path.isfile(reset_file):
 115             if os.path.isfile(filename):
 116                 os.remove(filename)
 117             os.rename(reset_file, filename)
 118
 119     git.update_cache([filename], force = True)
 120
 121     for ext in ['.local', '.older', '.remote']:
 122         fn = filename + ext
 123         if os.path.isfile(fn):
 124             os.remove(fn)
 125
 126 def resolved_all(reset = None):
 127     conflicts = git.get_conflicts()
 128     if conflicts:
 129         for filename in conflicts:
 130             resolved(filename, reset)
 131         os.remove(os.path.join(git.base_dir, 'conflicts'))
 132
 133 def name_email(string):
 134     """Return a tuple consisting of the name and email parsed from a
 135     standard 'name <email>' string
 136     """
 137     string = re.sub('([^\w\s<>@.])', '\\\\\\1', string)
 138     str_list = re.findall('^(.*)\s*<(.*)>\s*$', string)
 139     if not str_list:
 140         raise CmdException, 'Incorrect "name <email>" string: %s' % string
 141
 142     return str_list[0]
 143
 144 def name_email_date(string):
 145     """Return a tuple consisting of the name, email and date parsed
 146     from a 'name <email> date' string
 147     """
 148     string = re.sub('([^\w\s<>@.])', '\\\\\\1', string)
 149     str_list = re.findall('^(.*)\s*<(.*)>\s*(.*)\s*$', string)
 150     if not str_list:
 151         raise CmdException, 'Incorrect "name <email> date" string: %s' % string
 152
 153     return str_list[0]