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
1382
--force is given.
1457
1384
takes_args = ['other_spec', 'base_spec?']
1458
takes_options = ['force', 'merge-type']
1385
takes_options = ['force']
1460
def run(self, other_spec, base_spec=None, force=False, merge_type=None):
1387
def run(self, other_spec, base_spec=None, force=False):
1461
1388
from bzrlib.merge import merge
1462
from bzrlib.merge_core import ApplyMerge3
1463
if merge_type is None:
1464
merge_type = ApplyMerge3
1465
1389
merge(parse_spec(other_spec), parse_spec(base_spec),
1466
check_clean=(not force), merge_type=merge_type)
1390
check_clean=(not force))
1469
1394
class cmd_revert(Command):
1395
"""Restore selected files from a previous revision.
1397
takes_args = ['file+']
1398
def run(self, file_list):
1399
from bzrlib.branch import find_branch
1404
b = find_branch(file_list[0])
1406
b.revert([b.relpath(f) for f in file_list])
1409
class cmd_merge_revert(Command):
1470
1410
"""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.
1412
Only versioned files are affected.
1414
TODO: Store backups of any files that will be reverted, so
1415
that the revert can be undone.
1476
takes_options = ['revision', 'no-backup']
1477
takes_args = ['file*']
1478
aliases = ['merge-revert']
1417
takes_options = ['revision']
1480
def run(self, revision=None, no_backup=False, file_list=None):
1419
def run(self, revision=None):
1481
1420
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
1421
if revision is None:
1486
1422
revision = [-1]
1487
1423
elif len(revision) != 1:
1488
raise BzrCommandError('bzr revert --revision takes exactly 1 argument')
1424
raise BzrCommandError('bzr merge-revert --revision takes exactly 1 argument')
1489
1425
merge(('.', revision[0]), parse_spec('.'),
1490
1426
check_clean=False,
1492
backup_files=not no_backup,
1493
file_list=file_list)
1496
1430
class cmd_assert_fail(Command):
1647
def _parse_master_args(argv):
1648
"""Parse the arguments that always go with the original command.
1649
These are things like bzr --no-plugins, etc.
1651
There are now 2 types of option flags. Ones that come *before* the command,
1652
and ones that come *after* the command.
1653
Ones coming *before* the command are applied against all possible commands.
1654
And are generally applied before plugins are loaded.
1656
The current list are:
1657
--builtin Allow plugins to load, but don't let them override builtin commands,
1658
they will still be allowed if they do not override a builtin.
1659
--no-plugins Don't load any plugins. This lets you get back to official source
1661
--profile Enable the hotspot profile before running the command.
1662
For backwards compatibility, this is also a non-master option.
1663
--version Spit out the version of bzr that is running and exit.
1664
This is also a non-master option.
1665
--help Run help and exit, also a non-master option (I think that should stay, though)
1667
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1668
Traceback (most recent call last):
1670
BzrCommandError: Invalid master option: 'test'
1671
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1674
>>> print opts['version']
1676
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1678
['command', '--more-options']
1679
>>> print opts['profile']
1681
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1684
>>> print opts['no-plugins']
1686
>>> print opts['profile']
1688
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1690
['command', '--profile']
1691
>>> print opts['profile']
1694
master_opts = {'builtin':False,
1701
# This is the point where we could hook into argv[0] to determine
1702
# what front-end is supposed to be run
1703
# For now, we are just ignoring it.
1704
cmd_name = argv.pop(0)
1706
if arg[:2] != '--': # at the first non-option, we return the rest
1708
arg = arg[2:] # Remove '--'
1709
if arg not in master_opts:
1710
# We could say that this is not an error, that we should
1711
# just let it be handled by the main section instead
1712
raise BzrCommandError('Invalid master option: %r' % arg)
1713
argv.pop(0) # We are consuming this entry
1714
master_opts[arg] = True
1715
return argv, master_opts
1716
1719
def run_bzr(argv):
1717
1720
"""Execute a command.
1719
1722
This is similar to main(), but without all the trappings for
1720
1723
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
1725
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"
1728
# some options like --builtin and --no-plugins have special effects
1729
argv, master_opts = _parse_master_args(argv)
1730
if not master_opts['no-plugins']:
1731
from bzrlib.plugin import load_plugins
1734
args, opts = parse_args(argv)
1736
if master_opts['help']:
1737
from bzrlib.help import help
1745
from bzrlib.help import help
1751
elif 'version' in opts:
1754
elif args and args[0] == 'builtin':
1755
include_plugins=False
1757
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)
1764
plugins_override = not (master_opts['builtin'])
1765
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1767
profile = master_opts['profile']
1768
# For backwards compatibility, I would rather stick with --profile being a
1769
# master/global option
1770
if 'profile' in opts:
1787
1774
# check options are reasonable
1788
1775
allowed = cmd_class.takes_options