242
220
class ExternalCommand(Command):
243
221
"""Class to wrap external commands.
245
We cheat a little here, when get_cmd_class() calls us we actually
246
give it back an object we construct that has the appropriate path,
247
help, options etc for the specified command.
249
When run_bzr() tries to instantiate that 'class' it gets caught by
250
the __call__ method, which we override to call the Command.__init__
251
method. That then calls our run method which is pretty straight
254
The only wrinkle is that we have to map bzr's dictionary of options
255
and arguments back into command line options and arguments for the
223
We cheat a little here, when get_cmd_class() calls us we actually give it back
224
an object we construct that has the appropriate path, help, options etc for the
227
When run_bzr() tries to instantiate that 'class' it gets caught by the __call__
228
method, which we override to call the Command.__init__ method. That then calls
229
our run method which is pretty straight forward.
231
The only wrinkle is that we have to map bzr's dictionary of options and arguments
232
back into command line options and arguments for the script.
259
235
def find_command(cls, cmd):
539
class cmd_mv(Command):
540
"""Move or rename a file.
543
bzr mv OLDNAME NEWNAME
544
bzr mv SOURCE... DESTINATION
546
If the last argument is a versioned directory, all the other names
547
are moved into it. Otherwise, there must be exactly two arguments
548
and the file is changed to a new name, which must not already exist.
550
Files cannot be moved between branches.
552
takes_args = ['names*']
553
def run(self, names_list):
554
if len(names_list) < 2:
555
raise BzrCommandError("missing file argument")
556
b = find_branch(names_list[0])
558
rel_names = [b.relpath(x) for x in names_list]
560
if os.path.isdir(names_list[-1]):
561
# move into existing directory
562
b.move(rel_names[:-1], rel_names[-1])
564
if len(names_list) != 2:
565
raise BzrCommandError('to mv multiple files the destination '
566
'must be a versioned directory')
567
b.move(rel_names[0], rel_names[1])
572
516
class cmd_pull(Command):
1455
1389
--force is given.
1457
1391
takes_args = ['other_spec', 'base_spec?']
1458
takes_options = ['force', 'merge-type']
1392
takes_options = ['force']
1460
def run(self, other_spec, base_spec=None, force=False, merge_type=None):
1394
def run(self, other_spec, base_spec=None, force=False):
1461
1395
from bzrlib.merge import merge
1462
from bzrlib.merge_core import ApplyMerge3
1463
if merge_type is None:
1464
merge_type = ApplyMerge3
1465
1396
merge(parse_spec(other_spec), parse_spec(base_spec),
1466
check_clean=(not force), merge_type=merge_type)
1397
check_clean=(not force))
1469
1401
class cmd_revert(Command):
1402
"""Restore selected files from a previous revision.
1404
takes_args = ['file+']
1405
def run(self, file_list):
1406
from bzrlib.branch import find_branch
1411
b = find_branch(file_list[0])
1413
b.revert([b.relpath(f) for f in file_list])
1416
class cmd_merge_revert(Command):
1470
1417
"""Reverse all changes since the last commit.
1472
Only versioned files are affected. Specify filenames to revert only
1473
those files. By default, any files that are changed will be backed up
1474
first. Backup files have a '~' appended to their name.
1419
Only versioned files are affected.
1421
TODO: Store backups of any files that will be reverted, so
1422
that the revert can be undone.
1476
takes_options = ['revision', 'no-backup']
1477
takes_args = ['file*']
1478
aliases = ['merge-revert']
1424
takes_options = ['revision']
1480
def run(self, revision=None, no_backup=False, file_list=None):
1426
def run(self, revision=None):
1481
1427
from bzrlib.merge import merge
1482
if file_list is not None:
1483
if len(file_list) == 0:
1484
raise BzrCommandError("No files specified")
1485
1428
if revision is None:
1486
1429
revision = [-1]
1487
1430
elif len(revision) != 1:
1488
raise BzrCommandError('bzr revert --revision takes exactly 1 argument')
1431
raise BzrCommandError('bzr merge-revert --revision takes exactly 1 argument')
1489
1432
merge(('.', revision[0]), parse_spec('.'),
1490
1433
check_clean=False,
1492
backup_files=not no_backup,
1493
file_list=file_list)
1496
1437
class cmd_assert_fail(Command):
1654
def _parse_master_args(argv):
1655
"""Parse the arguments that always go with the original command.
1656
These are things like bzr --no-plugins, etc.
1658
There are now 2 types of option flags. Ones that come *before* the command,
1659
and ones that come *after* the command.
1660
Ones coming *before* the command are applied against all possible commands.
1661
And are generally applied before plugins are loaded.
1663
The current list are:
1664
--builtin Allow plugins to load, but don't let them override builtin commands,
1665
they will still be allowed if they do not override a builtin.
1666
--no-plugins Don't load any plugins. This lets you get back to official source
1668
--profile Enable the hotspot profile before running the command.
1669
For backwards compatibility, this is also a non-master option.
1670
--version Spit out the version of bzr that is running and exit.
1671
This is also a non-master option.
1672
--help Run help and exit, also a non-master option (I think that should stay, though)
1674
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1675
Traceback (most recent call last):
1677
BzrCommandError: Invalid master option: 'test'
1678
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1681
>>> print opts['version']
1683
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1685
['command', '--more-options']
1686
>>> print opts['profile']
1688
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1691
>>> print opts['no-plugins']
1693
>>> print opts['profile']
1695
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1697
['command', '--profile']
1698
>>> print opts['profile']
1701
master_opts = {'builtin':False,
1708
# This is the point where we could hook into argv[0] to determine
1709
# what front-end is supposed to be run
1710
# For now, we are just ignoring it.
1711
cmd_name = argv.pop(0)
1713
if arg[:2] != '--': # at the first non-option, we return the rest
1715
arg = arg[2:] # Remove '--'
1716
if arg not in master_opts:
1717
# We could say that this is not an error, that we should
1718
# just let it be handled by the main section instead
1719
raise BzrCommandError('Invalid master option: %r' % arg)
1720
argv.pop(0) # We are consuming this entry
1721
master_opts[arg] = True
1722
return argv, master_opts
1716
1726
def run_bzr(argv):
1717
1727
"""Execute a command.
1719
1729
This is similar to main(), but without all the trappings for
1720
1730
logging and error handling.
1723
The command-line arguments, without the program name from argv[0]
1725
Returns a command status or raises an exception.
1727
Special master options: these must come before the command because
1728
they control how the command is interpreted.
1731
Do not load plugin modules at all
1734
Only use builtin commands. (Plugins are still allowed to change
1738
Run under the Python profiler.
1741
1732
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1743
opt_profile = opt_no_plugins = opt_builtin = False
1745
# --no-plugins is handled specially at a very early stage. We need
1746
# to load plugins before doing other command parsing so that they
1747
# can override commands, but this needs to happen first.
1750
if a == '--profile':
1752
elif a == '--no-plugins':
1753
opt_no_plugins = True
1754
elif a == '--builtin':
1760
if not opt_no_plugins:
1761
from bzrlib.plugin import load_plugins
1764
args, opts = parse_args(argv)
1767
from bzrlib.help import help
1774
if 'version' in opts:
1779
print >>sys.stderr, "please try 'bzr help' for help"
1735
# some options like --builtin and --no-plugins have special effects
1736
argv, master_opts = _parse_master_args(argv)
1737
if not master_opts['no-plugins']:
1738
from bzrlib.plugin import load_plugins
1741
args, opts = parse_args(argv)
1743
if master_opts['help']:
1744
from bzrlib.help import help
1752
from bzrlib.help import help
1758
elif 'version' in opts:
1761
elif args and args[0] == 'builtin':
1762
include_plugins=False
1764
cmd = str(args.pop(0))
1782
cmd = str(args.pop(0))
1784
canonical_cmd, cmd_class = \
1785
get_cmd_class(cmd, plugins_override=not opt_builtin)
1771
plugins_override = not (master_opts['builtin'])
1772
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1774
profile = master_opts['profile']
1775
# For backwards compatibility, I would rather stick with --profile being a
1776
# master/global option
1777
if 'profile' in opts:
1787
1781
# check options are reasonable
1788
1782
allowed = cmd_class.takes_options