1 """Basic quilt-like functionality
5 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
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.
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.
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
22 from optparse import OptionParser
30 """Commands class. It performs on-demand module loading
32 def __getitem__(self, key):
33 cmd_mod = self.get(key)
34 __import__('stgit.commands.' + cmd_mod)
35 return getattr(stgit.commands, cmd_mod)
40 'assimilate': 'assimilate',
65 'resolved': 'resolved',
71 'unapplied': 'unapplied',
72 'uncommit': 'uncommit'
75 # classification: repository, stack, patch, working copy
120 def _print_helpstring(cmd):
121 print ' ' + cmd + ' ' * (12 - len(cmd)) + commands[cmd].help
124 print 'usage: %s <command> [options]' % os.path.basename(sys.argv[0])
126 print 'Generic commands:'
127 print ' help print the detailed command usage'
128 print ' version display version information'
129 print ' copyright display copyright information'
130 # unclassified commands if any
131 cmds = commands.keys()
134 if not cmd in repocommands and not cmd in stackcommands \
135 and not cmd in patchcommands and not cmd in wccommands:
136 _print_helpstring(cmd)
139 print 'Repository commands:'
140 for cmd in repocommands:
141 _print_helpstring(cmd)
144 print 'Stack commands:'
145 for cmd in stackcommands:
146 _print_helpstring(cmd)
149 print 'Patch commands:'
150 for cmd in patchcommands:
151 _print_helpstring(cmd)
154 print 'Working-copy commands:'
155 for cmd in wccommands:
156 _print_helpstring(cmd)
159 # The main function (command dispatcher)
164 prog = os.path.basename(sys.argv[0])
166 if len(sys.argv) < 2:
167 print >> sys.stderr, 'usage: %s <command>' % prog
168 print >> sys.stderr, \
169 ' Try "%s --help" for a list of supported commands' % prog
174 if cmd in ['-h', '--help']:
175 if len(sys.argv) >= 3 and sys.argv[2] in commands:
177 sys.argv[2] = '--help'
182 if len(sys.argv) == 3 and not sys.argv[2] in ['-h', '--help']:
184 if not cmd in commands:
185 print >> sys.stderr, '%s help: "%s" command unknown' \
189 sys.argv[0] += ' %s' % cmd
190 command = commands[cmd]
191 parser = OptionParser(usage = command.usage,
192 option_list = command.options)
193 from pydoc import pager
194 pager(parser.format_help())
198 if cmd in ['-v', '--version', 'version']:
199 from stgit.version import version
200 print 'Stacked GIT %s' % version
201 os.system('git --version')
202 print 'Python version %s' % sys.version
204 if cmd in ['copyright']:
207 if not cmd in commands:
208 print >> sys.stderr, 'Unknown command: %s' % cmd
209 print >> sys.stderr, ' Try "%s help" for a list of supported ' \
213 # re-build the command line arguments
214 sys.argv[0] += ' %s' % cmd
217 command = commands[cmd]
218 usage = command.usage.split('\n')[0].strip()
219 parser = OptionParser(usage = usage, option_list = command.options)
220 options, args = parser.parse_args()
222 # These modules are only used from this point onwards and do not
223 # need to be imported earlier
224 from stgit.config import config_setup
225 from ConfigParser import ParsingError, NoSectionError
226 from stgit.stack import Series, StackException
227 from stgit.git import GitException
228 from stgit.commands.common import CmdException
229 from stgit.gitmergeonefile import GitMergeException
234 # 'clone' doesn't expect an already initialised GIT tree. A Series
235 # object will be created after the GIT tree is cloned
237 if hasattr(options, 'branch') and options.branch:
238 command.crt_series = Series(options.branch)
240 command.crt_series = Series()
241 stgit.commands.common.crt_series = command.crt_series
243 command.func(parser, options, args)
244 except (IOError, ParsingError, NoSectionError, CmdException,
245 StackException, GitException, GitMergeException), err:
246 print >> sys.stderr, '%s %s: %s' % (prog, cmd, err)
248 except KeyboardInterrupt: