chiark - git - mdw - stgit/blob - stgit/main.py

   1 """Basic quilt-like functionality
   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
  22 from optparse import OptionParser, make_option
  23
  24 from stgit.utils import *
  25 from stgit import stack, git, gitmergeonefile
  26 from stgit.version import version
  27 from stgit.config import config
  28 from stgit.commands.common import *
  29
  30 # The commands
  31 import stgit.commands.add
  32 import stgit.commands.applied
  33 import stgit.commands.branch
  34 import stgit.commands.delete
  35 import stgit.commands.diff
  36 import stgit.commands.clean
  37 import stgit.commands.clone
  38 import stgit.commands.commit
  39 import stgit.commands.export
  40 import stgit.commands.files
  41 import stgit.commands.fold
  42 import stgit.commands.id
  43 import stgit.commands.imprt
  44 import stgit.commands.init
  45 import stgit.commands.mail
  46 import stgit.commands.new
  47 import stgit.commands.patches
  48 import stgit.commands.pick
  49 import stgit.commands.pop
  50 import stgit.commands.pull
  51 import stgit.commands.push
  52 import stgit.commands.refresh
  53 import stgit.commands.rename
  54 import stgit.commands.resolved
  55 import stgit.commands.rm
  56 import stgit.commands.series
  57 import stgit.commands.status
  58 import stgit.commands.top
  59 import stgit.commands.unapplied
  60 import stgit.commands.uncommit
  61
  62
  63 #
  64 # The commands map
  65 #
  66 commands = {
  67     'add':      stgit.commands.add,
  68     'applied':  stgit.commands.applied,
  69     'branch':   stgit.commands.branch,
  70     'delete':   stgit.commands.delete,
  71     'diff':     stgit.commands.diff,
  72     'clean':    stgit.commands.clean,
  73     'clone':    stgit.commands.clone,
  74     'commit':   stgit.commands.commit,
  75     'export':   stgit.commands.export,
  76     'files':    stgit.commands.files,
  77     'fold':     stgit.commands.fold,
  78     'id':       stgit.commands.id,
  79     'import':   stgit.commands.imprt,
  80     'init':     stgit.commands.init,
  81     'mail':     stgit.commands.mail,
  82     'new':      stgit.commands.new,
  83     'patches':  stgit.commands.patches,
  84     'pick':     stgit.commands.pick,
  85     'pop':      stgit.commands.pop,
  86     'pull':     stgit.commands.pull,
  87     'push':     stgit.commands.push,
  88     'refresh':  stgit.commands.refresh,
  89     'rename':   stgit.commands.rename,
  90     'resolved': stgit.commands.resolved,
  91     'rm':       stgit.commands.rm,
  92     'series':   stgit.commands.series,
  93     'status':   stgit.commands.status,
  94     'top':      stgit.commands.top,
  95     'unapplied':stgit.commands.unapplied,
  96     'uncommit': stgit.commands.uncommit,
  97     }
  98
  99 def print_help():
 100     print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
 101     print
 102     print 'commands:'
 103     print '  help        print the detailed command usage'
 104     print '  version     display version information'
 105     print '  copyright   display copyright information'
 106     print
 107
 108     cmds = commands.keys()
 109     cmds.sort()
 110     for cmd in cmds:
 111         print '  ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
 112
 113 #
 114 # The main function (command dispatcher)
 115 #
 116 def main():
 117     """The main function
 118     """
 119     prog = os.path.basename(sys.argv[0])
 120
 121     if len(sys.argv) < 2:
 122         print >> sys.stderr, 'Unknown command'
 123         print >> sys.stderr, \
 124               '  Try "%s --help" for a list of supported commands' % prog
 125         sys.exit(1)
 126
 127     cmd = sys.argv[1]
 128
 129     if cmd in ['-h', '--help']:
 130         if len(sys.argv) == 3 and sys.argv[2] in commands:
 131             cmd = sys.argv[2]
 132             sys.argv[2] = '--help'
 133         else:
 134             print_help()
 135             sys.exit(0)
 136     if cmd == 'help':
 137         if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
 138             cmd = sys.argv[2]
 139             if not cmd in commands:
 140                 print >> sys.stderr, '%s help: "%s" command unknown' \
 141                       % (prog, cmd)
 142                 sys.exit(1)
 143
 144             sys.argv[0] += ' %s' % cmd
 145             command = commands[cmd]
 146             parser = OptionParser(usage = command.usage,
 147                                   option_list = command.options)
 148             parser.print_help()
 149         else:
 150             print 'usage: %s help <command>' % prog
 151
 152         sys.exit(0)
 153     if cmd in ['-v', '--version', 'version']:
 154         print 'Stacked GIT %s' % version
 155         os.system('git --version')
 156         print 'Python version %s' % sys.version
 157         sys.exit(0)
 158     if cmd in ['copyright']:
 159         print __copyright__
 160         sys.exit(0)
 161     if not cmd in commands:
 162         print >> sys.stderr, 'Unknown command: %s' % cmd
 163         print >> sys.stderr, '  Try "%s help" for a list of supported ' \
 164               'commands' % prog
 165         sys.exit(1)
 166
 167     # re-build the command line arguments
 168     sys.argv[0] += ' %s' % cmd
 169     del(sys.argv[1])
 170
 171     command = commands[cmd]
 172     usage = command.usage.split('\n')[0].strip()
 173     parser = OptionParser(usage = usage, option_list = command.options)
 174     options, args = parser.parse_args()
 175     try:
 176         # 'clone' doesn't expect an already initialised GIT tree. A Series
 177         # object will be created after the GIT tree is cloned
 178         if cmd != 'clone':
 179             if hasattr(options, 'branch') and options.branch:
 180                 command.crt_series = stack.Series(options.branch)
 181             else:
 182                 command.crt_series = stack.Series()
 183             stgit.commands.common.crt_series = command.crt_series
 184
 185         command.func(parser, options, args)
 186     except (IOError, CmdException, stack.StackException, git.GitException,
 187             gitmergeonefile.GitMergeException), err:
 188         print >> sys.stderr, '%s %s: %s' % (prog, cmd, err)
 189         sys.exit(2)
 190     except KeyboardInterrupt:
 191         sys.exit(1)
 192
 193     sys.exit(0)