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):
640
584
takes_args = ['from_location', 'to_location?']
641
585
takes_options = ['revision']
642
aliases = ['get', 'clone']
644
587
def run(self, from_location, to_location=None, revision=None):
646
589
from bzrlib.merge import merge
647
from bzrlib.branch import DivergedBranches, \
590
from bzrlib.branch import DivergedBranches, NoSuchRevision, \
648
591
find_cached_branch, Branch
649
592
from shutil import rmtree
650
593
from meta_store import CachedStore
652
595
cache_root = tempfile.mkdtemp()
597
if revision is not None:
598
if len(revision) > 1:
599
raise BzrCommandError('bzr branch --revision takes exactly 1 revision value')
655
601
revision = [None]
656
elif len(revision) > 1:
657
raise BzrCommandError('bzr branch --revision takes exactly 1 revision value')
661
604
br_from = find_cached_branch(from_location, cache_root)
1455
1365
--force is given.
1457
1367
takes_args = ['other_spec', 'base_spec?']
1458
takes_options = ['force', 'merge-type']
1368
takes_options = ['force']
1460
def run(self, other_spec, base_spec=None, force=False, merge_type=None):
1370
def run(self, other_spec, base_spec=None, force=False):
1461
1371
from bzrlib.merge import merge
1462
from bzrlib.merge_core import ApplyMerge3
1463
if merge_type is None:
1464
merge_type = ApplyMerge3
1465
1372
merge(parse_spec(other_spec), parse_spec(base_spec),
1466
check_clean=(not force), merge_type=merge_type)
1373
check_clean=(not force))
1469
1377
class cmd_revert(Command):
1378
"""Restore selected files from a previous revision.
1380
takes_args = ['file+']
1381
def run(self, file_list):
1382
from bzrlib.branch import find_branch
1387
b = find_branch(file_list[0])
1389
b.revert([b.relpath(f) for f in file_list])
1392
class cmd_merge_revert(Command):
1470
1393
"""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.
1395
Only versioned files are affected.
1397
TODO: Store backups of any files that will be reverted, so
1398
that the revert can be undone.
1476
takes_options = ['revision', 'no-backup']
1477
takes_args = ['file*']
1478
aliases = ['merge-revert']
1400
takes_options = ['revision']
1480
def run(self, revision=None, no_backup=False, file_list=None):
1402
def run(self, revision=None):
1481
1403
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
1404
if revision is None:
1487
1406
elif len(revision) != 1:
1488
raise BzrCommandError('bzr revert --revision takes exactly 1 argument')
1407
raise BzrCommandError('bzr merge-revert --revision takes exactly 1 argument')
1489
1408
merge(('.', revision[0]), parse_spec('.'),
1490
1409
check_clean=False,
1492
backup_files=not no_backup,
1493
file_list=file_list)
1496
1413
class cmd_assert_fail(Command):
1630
def _parse_master_args(argv):
1631
"""Parse the arguments that always go with the original command.
1632
These are things like bzr --no-plugins, etc.
1634
There are now 2 types of option flags. Ones that come *before* the command,
1635
and ones that come *after* the command.
1636
Ones coming *before* the command are applied against all possible commands.
1637
And are generally applied before plugins are loaded.
1639
The current list are:
1640
--builtin Allow plugins to load, but don't let them override builtin commands,
1641
they will still be allowed if they do not override a builtin.
1642
--no-plugins Don't load any plugins. This lets you get back to official source
1644
--profile Enable the hotspot profile before running the command.
1645
For backwards compatibility, this is also a non-master option.
1646
--version Spit out the version of bzr that is running and exit.
1647
This is also a non-master option.
1648
--help Run help and exit, also a non-master option (I think that should stay, though)
1650
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1651
Traceback (most recent call last):
1653
BzrCommandError: Invalid master option: 'test'
1654
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1657
>>> print opts['version']
1659
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1661
['command', '--more-options']
1662
>>> print opts['profile']
1664
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1667
>>> print opts['no-plugins']
1669
>>> print opts['profile']
1671
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1673
['command', '--profile']
1674
>>> print opts['profile']
1677
master_opts = {'builtin':False,
1684
# This is the point where we could hook into argv[0] to determine
1685
# what front-end is supposed to be run
1686
# For now, we are just ignoring it.
1687
cmd_name = argv.pop(0)
1689
if arg[:2] != '--': # at the first non-option, we return the rest
1691
arg = arg[2:] # Remove '--'
1692
if arg not in master_opts:
1693
# We could say that this is not an error, that we should
1694
# just let it be handled by the main section instead
1695
raise BzrCommandError('Invalid master option: %r' % arg)
1696
argv.pop(0) # We are consuming this entry
1697
master_opts[arg] = True
1698
return argv, master_opts
1716
1702
def run_bzr(argv):
1717
1703
"""Execute a command.
1719
1705
This is similar to main(), but without all the trappings for
1720
1706
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
1708
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"
1711
# some options like --builtin and --no-plugins have special effects
1712
argv, master_opts = _parse_master_args(argv)
1713
if not master_opts['no-plugins']:
1714
from bzrlib.plugin import load_plugins
1717
args, opts = parse_args(argv)
1719
if master_opts['help']:
1720
from bzrlib.help import help
1728
from bzrlib.help import help
1734
elif 'version' in opts:
1737
elif args and args[0] == 'builtin':
1738
include_plugins=False
1740
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)
1747
plugins_override = not (master_opts['builtin'])
1748
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1750
profile = master_opts['profile']
1751
# For backwards compatibility, I would rather stick with --profile being a
1752
# master/global option
1753
if 'profile' in opts:
1787
1757
# check options are reasonable
1788
1758
allowed = cmd_class.takes_options