51
160
def _unsquish_command_name(cmd):
52
assert cmd.startswith("cmd_")
53
161
return cmd[4:].replace('_','-')
55
def _parse_revision_str(revstr):
56
"""This handles a revision string -> revno.
58
There are several possibilities:
61
'234:345' -> [234, 345]
65
In the future we will also support:
66
'uuid:blah-blah-blah' -> ?
67
'hash:blahblahblah' -> ?
71
if revstr.find(':') != -1:
72
revs = revstr.split(':')
74
raise ValueError('More than 2 pieces not supported for --revision: %r' % revstr)
79
revs[0] = int(revs[0])
84
revs[1] = int(revs[1])
91
def _get_cmd_dict(plugins_override=True):
93
for k, v in globals().iteritems():
94
if k.startswith("cmd_"):
95
d[_unsquish_command_name(k)] = v
96
# If we didn't load plugins, the plugin_cmds dict will be empty
100
d2 = plugin_cmds.copy()
106
def get_all_cmds(plugins_override=True):
107
"""Return canonical name and class for all registered commands."""
108
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
112
def get_cmd_class(cmd, plugins_override=True):
113
"""Return the canonical name and command class for a command.
115
cmd = str(cmd) # not unicode
117
# first look up this command under the specified name
118
cmds = _get_cmd_dict(plugins_override=plugins_override)
120
return cmd, cmds[cmd]
124
# look for any command which claims this as an alias
125
for cmdname, cmdclass in cmds.iteritems():
126
if cmd in cmdclass.aliases:
127
return cmdname, cmdclass
129
cmdclass = ExternalCommand.find_command(cmd)
133
raise BzrCommandError("unknown command %r" % cmd)
164
def _register_builtin_commands():
165
if builtin_command_registry.keys():
168
import bzrlib.builtins
169
for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
170
builtin_command_registry.register(cmd_class)
171
bzrlib.builtins._register_lazy_builtins()
174
def _scan_module_for_commands(module):
176
for name, obj in module.__dict__.iteritems():
177
if name.startswith("cmd_"):
178
real_name = _unsquish_command_name(name)
183
def _list_bzr_commands(names):
184
"""Find commands from bzr's core and plugins.
186
This is not the public interface, just the default hook called by all_command_names.
188
# to eliminate duplicates
189
names.update(builtin_command_names())
190
names.update(plugin_command_names())
194
def all_command_names():
195
"""Return a set of all command names."""
197
for hook in Command.hooks['list_commands']:
200
raise AssertionError(
201
'hook %s returned None' % Command.hooks.get_hook_name(hook))
205
def builtin_command_names():
206
"""Return list of builtin command names.
208
Use of all_command_names() is encouraged rather than builtin_command_names
209
and/or plugin_command_names.
211
_register_builtin_commands()
212
return builtin_command_registry.keys()
215
def plugin_command_names():
216
"""Returns command names from commands registered by plugins."""
217
return plugin_cmds.keys()
220
def get_cmd_object(cmd_name, plugins_override=True):
221
"""Return the command object for a command.
224
If true, plugin commands can override builtins.
227
return _get_cmd_object(cmd_name, plugins_override)
229
raise errors.BzrCommandError(gettext('unknown command "%s"') % cmd_name)
232
def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
233
"""Get a command object.
235
:param cmd_name: The name of the command.
236
:param plugins_override: Allow plugins to override builtins.
237
:param check_missing: Look up commands not found in the regular index via
238
the get_missing_command hook.
239
:return: A Command object instance
240
:raises KeyError: If no command is found.
242
# We want only 'ascii' command names, but the user may have typed
243
# in a Unicode name. In that case, they should just get a
244
# 'command not found' error later.
245
# In the future, we may actually support Unicode command names.
248
for hook in Command.hooks['get_command']:
249
cmd = hook(cmd, cmd_name)
250
if cmd is not None and not plugins_override and not cmd.plugin_name():
251
# We've found a non-plugin command, don't permit it to be
254
if cmd is None and check_missing:
255
for hook in Command.hooks['get_missing_command']:
262
# Allow plugins to extend commands
263
for hook in Command.hooks['extend_command']:
265
if getattr(cmd, 'invoked_as', None) is None:
266
cmd.invoked_as = cmd_name
270
def _try_plugin_provider(cmd_name):
271
"""Probe for a plugin provider having cmd_name."""
273
plugin_metadata, provider = probe_for_provider(cmd_name)
274
raise errors.CommandAvailableInPlugin(cmd_name,
275
plugin_metadata, provider)
276
except errors.NoPluginAvailable:
280
def probe_for_provider(cmd_name):
281
"""Look for a provider for cmd_name.
283
:param cmd_name: The command name.
284
:return: plugin_metadata, provider for getting cmd_name.
285
:raises NoPluginAvailable: When no provider can supply the plugin.
287
# look for providers that provide this command but aren't installed
288
for provider in command_providers_registry:
290
return provider.plugin_for_command(cmd_name), provider
291
except errors.NoPluginAvailable:
293
raise errors.NoPluginAvailable(cmd_name)
296
def _get_bzr_command(cmd_or_None, cmd_name):
297
"""Get a command from bzr's core."""
299
cmd_class = builtin_command_registry.get(cmd_name)
307
def _get_external_command(cmd_or_None, cmd_name):
308
"""Lookup a command that is a shell script."""
309
# Only do external command lookups when no command is found so far.
310
if cmd_or_None is not None:
312
from bzrlib.externalcommand import ExternalCommand
313
cmd_obj = ExternalCommand.find_command(cmd_name)
318
def _get_plugin_command(cmd_or_None, cmd_name):
319
"""Get a command from bzr's plugins."""
321
return plugin_cmds.get(cmd_name)()
324
for key in plugin_cmds.keys():
325
info = plugin_cmds.get_info(key)
326
if cmd_name in info.aliases:
327
return plugin_cmds.get(key)()
136
331
class Command(object):
137
332
"""Base class for commands.
334
Commands are the heart of the command-line bzr interface.
336
The command object mostly handles the mapping of command-line
337
parameters into one or more bzrlib operations, and of the results
340
Commands normally don't have any state. All their arguments are
341
passed in to the run method. (Subclasses may take a different
342
policy if the behaviour of the instance needs to depend on e.g. a
343
shell plugin and not just its Python class.)
139
345
The docstring for an actual command should give a single-line
140
346
summary, then a complete description of the command. A grammar
141
347
description will be inserted.
144
List of argument forms, marked with whether they are optional,
148
List of options that may be given for this command.
151
If true, this command isn't advertised.
349
:cvar aliases: Other accepted names for this command.
351
:cvar takes_args: List of argument forms, marked with whether they are
352
optional, repeated, etc. Examples::
354
['to_location', 'from_branch?', 'file*']
356
* 'to_location' is required
357
* 'from_branch' is optional
358
* 'file' can be specified 0 or more times
360
:cvar takes_options: List of options that may be given for this command.
361
These can be either strings, referring to globally-defined options, or
362
option objects. Retrieve through options().
364
:cvar hidden: If true, this command isn't advertised. This is typically
365
for commands intended for expert users.
367
:cvar encoding_type: Command objects will get a 'outf' attribute, which has
368
been setup to properly handle encoding of unicode strings.
369
encoding_type determines what will happen when characters cannot be
372
* strict - abort if we cannot decode
373
* replace - put in a bogus character (typically '?')
374
* exact - do not encode sys.stdout
376
NOTE: by default on Windows, sys.stdout is opened as a text stream,
377
therefore LF line-endings are converted to CRLF. When a command uses
378
encoding_type = 'exact', then sys.stdout is forced to be a binary
379
stream, and line-endings will not mangled.
382
A string indicating the real name under which this command was
383
invoked, before expansion of aliases.
384
(This may be None if the command was constructed and run in-process.)
386
:cvar hooks: An instance of CommandHooks.
388
:cvar __doc__: The help shown by 'bzr help command' for this command.
389
This is set by assigning explicitly to __doc__ so that -OO can
393
__doc__ = "My help goes here"
156
397
takes_options = []
398
encoding_type = 'strict'
160
def __init__(self, options, arguments):
161
"""Construct and run the command.
163
Sets self.status to the return value of run()."""
164
assert isinstance(options, dict)
165
assert isinstance(arguments, dict)
166
cmdargs = options.copy()
167
cmdargs.update(arguments)
168
assert self.__doc__ != Command.__doc__, \
169
("No help message set for %r" % self)
170
self.status = self.run(**cmdargs)
405
"""Construct an instance of this command."""
406
# List of standard options directly supported
407
self.supported_std_options = []
410
def add_cleanup(self, cleanup_func, *args, **kwargs):
411
"""Register a function to call after self.run returns or raises.
413
Functions will be called in LIFO order.
415
self._operation.add_cleanup(cleanup_func, *args, **kwargs)
417
def cleanup_now(self):
418
"""Execute and empty pending cleanup functions immediately.
420
After cleanup_now all registered cleanups are forgotten. add_cleanup
421
may be called again after cleanup_now; these cleanups will be called
422
after self.run returns or raises (or when cleanup_now is next called).
424
This is useful for releasing expensive or contentious resources (such
425
as write locks) before doing further work that does not require those
426
resources (such as writing results to self.outf). Note though, that
427
as it releases all resources, this may release locks that the command
428
wants to hold, so use should be done with care.
430
self._operation.cleanup_now()
433
"""Return single-line grammar for this command.
435
Only describes arguments, not options.
437
s = 'bzr ' + self.name() + ' '
438
for aname in self.takes_args:
439
aname = aname.upper()
440
if aname[-1] in ['$', '+']:
441
aname = aname[:-1] + '...'
442
elif aname[-1] == '?':
443
aname = '[' + aname[:-1] + ']'
444
elif aname[-1] == '*':
445
aname = '[' + aname[:-1] + '...]'
447
s = s[:-1] # remove last space
450
def get_help_text(self, additional_see_also=None, plain=True,
451
see_also_as_links=False, verbose=True):
452
"""Return a text string with help for this command.
454
:param additional_see_also: Additional help topics to be
456
:param plain: if False, raw help (reStructuredText) is
457
returned instead of plain text.
458
:param see_also_as_links: if True, convert items in 'See also'
459
list to internal links (used by bzr_man rstx generator)
460
:param verbose: if True, display the full help, otherwise
461
leave out the descriptive sections and just display
462
usage help (e.g. Purpose, Usage, Options) with a
463
message explaining how to obtain full help.
466
i18n.install() # Install i18n only for get_help_text for now.
469
# Note: If self.gettext() translates ':Usage:\n', the section will
470
# be shown after "Description" section and we don't want to
471
# translate the usage string.
472
# Though, bzr export-pot don't exports :Usage: section and it must
474
doc = self.gettext(doc)
476
doc = gettext("No help for this command.")
478
# Extract the summary (purpose) and sections out from the text
479
purpose,sections,order = self._get_help_parts(doc)
481
# If a custom usage section was provided, use it
482
if sections.has_key('Usage'):
483
usage = sections.pop('Usage')
485
usage = self._usage()
487
# The header is the purpose and usage
489
result += gettext(':Purpose: %s\n') % (purpose,)
490
if usage.find('\n') >= 0:
491
result += gettext(':Usage:\n%s\n') % (usage,)
493
result += gettext(':Usage: %s\n') % (usage,)
498
# XXX: optparse implicitly rewraps the help, and not always perfectly,
499
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
501
parser = option.get_optparser(self.options())
502
options = parser.format_option_help()
503
# FIXME: According to the spec, ReST option lists actually don't
504
# support options like --1.14 so that causes syntax errors (in Sphinx
505
# at least). As that pattern always appears in the commands that
506
# break, we trap on that and then format that block of 'format' options
507
# as a literal block. We use the most recent format still listed so we
508
# don't have to do that too often -- vila 20110514
509
if not plain and options.find(' --1.14 ') != -1:
510
options = options.replace(' format:\n', ' format::\n\n', 1)
511
if options.startswith('Options:'):
512
result += gettext(':Options:%s') % (options[len('options:'):],)
518
# Add the description, indenting it 2 spaces
519
# to match the indentation of the options
520
if sections.has_key(None):
521
text = sections.pop(None)
522
text = '\n '.join(text.splitlines())
523
result += gettext(':Description:\n %s\n\n') % (text,)
525
# Add the custom sections (e.g. Examples). Note that there's no need
526
# to indent these as they must be indented already in the source.
529
if label in sections:
530
result += ':%s:\n%s\n' % (label, sections[label])
533
result += (gettext("See bzr help %s for more details and examples.\n\n")
536
# Add the aliases, source (plug-in) and see also links, if any
538
result += gettext(':Aliases: ')
539
result += ', '.join(self.aliases) + '\n'
540
plugin_name = self.plugin_name()
541
if plugin_name is not None:
542
result += gettext(':From: plugin "%s"\n') % plugin_name
543
see_also = self.get_see_also(additional_see_also)
545
if not plain and see_also_as_links:
547
for item in see_also:
549
# topics doesn't have an independent section
550
# so don't create a real link
551
see_also_links.append(item)
553
# Use a Sphinx link for this entry
554
link_text = gettext(":doc:`{0} <{1}-help>`").format(
556
see_also_links.append(link_text)
557
see_also = see_also_links
558
result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
560
# If this will be rendered as plain text, convert it
562
import bzrlib.help_topics
563
result = bzrlib.help_topics.help_as_plain_text(result)
567
def _get_help_parts(text):
568
"""Split help text into a summary and named sections.
570
:return: (summary,sections,order) where summary is the top line and
571
sections is a dictionary of the rest indexed by section name.
572
order is the order the section appear in the text.
573
A section starts with a heading line of the form ":xxx:".
574
Indented text on following lines is the section value.
575
All text found outside a named section is assigned to the
576
default section which is given the key of None.
578
def save_section(sections, order, label, section):
580
if sections.has_key(label):
581
sections[label] += '\n' + section
584
sections[label] = section
586
lines = text.rstrip().splitlines()
587
summary = lines.pop(0)
590
label,section = None,''
592
if line.startswith(':') and line.endswith(':') and len(line) > 2:
593
save_section(sections, order, label, section)
594
label,section = line[1:-1],''
595
elif (label is not None) and len(line) > 1 and not line[0].isspace():
596
save_section(sections, order, label, section)
597
label,section = None,line
600
section += '\n' + line
603
save_section(sections, order, label, section)
604
return summary, sections, order
606
def get_help_topic(self):
607
"""Return the commands help topic - its name."""
610
def get_see_also(self, additional_terms=None):
611
"""Return a list of help topics that are related to this command.
613
The list is derived from the content of the _see_also attribute. Any
614
duplicates are removed and the result is in lexical order.
615
:param additional_terms: Additional help topics to cross-reference.
616
:return: A list of help topics.
618
see_also = set(getattr(self, '_see_also', []))
620
see_also.update(additional_terms)
621
return sorted(see_also)
624
"""Return dict of valid options for this command.
626
Maps from long option name to option object."""
627
r = Option.STD_OPTIONS.copy()
629
for o in self.takes_options:
630
if isinstance(o, basestring):
631
o = option.Option.OPTIONS[o]
633
if o.name in std_names:
634
self.supported_std_options.append(o.name)
637
def _setup_outf(self):
638
"""Return a file linked to stdout, which has proper encoding."""
639
self.outf = ui.ui_factory.make_output_stream(
640
encoding_type=self.encoding_type)
642
def run_argv_aliases(self, argv, alias_argv=None):
643
"""Parse the command line and run with extra aliases in alias_argv."""
644
args, opts = parse_args(self, argv, alias_argv)
647
# Process the standard options
648
if 'help' in opts: # e.g. bzr add --help
649
self.outf.write(self.get_help_text())
651
if 'usage' in opts: # e.g. bzr add --usage
652
self.outf.write(self.get_help_text(verbose=False))
654
trace.set_verbosity_level(option._verbosity_level)
655
if 'verbose' in self.supported_std_options:
656
opts['verbose'] = trace.is_verbose()
657
elif opts.has_key('verbose'):
659
if 'quiet' in self.supported_std_options:
660
opts['quiet'] = trace.is_quiet()
661
elif opts.has_key('quiet'):
663
# mix arguments and options into one dictionary
664
cmdargs = _match_argform(self.name(), self.takes_args, args)
666
for k, v in opts.items():
667
cmdopts[k.replace('-', '_')] = v
669
all_cmd_args = cmdargs.copy()
670
all_cmd_args.update(cmdopts)
673
return self.run(**all_cmd_args)
675
# reset it, so that other commands run in the same process won't
676
# inherit state. Before we reset it, log any activity, so that it
677
# gets properly tracked.
678
ui.ui_factory.log_transport_activity(
679
display=('bytes' in debug.debug_flags))
680
trace.set_verbosity_level(0)
682
def _setup_run(self):
683
"""Wrap the defined run method on self with a cleanup.
685
This is called by __init__ to make the Command be able to be run
686
by just calling run(), as it could be before cleanups were added.
688
If a different form of cleanups are in use by your Command subclass,
689
you can override this method.
692
def run(*args, **kwargs):
693
for hook in Command.hooks['pre_command']:
695
self._operation = cleanup.OperationWithCleanups(class_run)
697
return self._operation.run_simple(*args, **kwargs)
700
for hook in Command.hooks['post_command']:
174
"""Override this in sub-classes.
705
"""Actually run the command.
176
707
This is invoked with the options and arguments bound to
177
708
keyword parameters.
179
Return 0 or None if the command was successful, or a shell
185
class ExternalCommand(Command):
186
"""Class to wrap external commands.
188
We cheat a little here, when get_cmd_class() calls us we actually give it back
189
an object we construct that has the appropriate path, help, options etc for the
192
When run_bzr() tries to instantiate that 'class' it gets caught by the __call__
193
method, which we override to call the Command.__init__ method. That then calls
194
our run method which is pretty straight forward.
196
The only wrinkle is that we have to map bzr's dictionary of options and arguments
197
back into command line options and arguments for the script.
200
def find_command(cls, cmd):
202
bzrpath = os.environ.get('BZRPATH', '')
204
for dir in bzrpath.split(os.pathsep):
205
path = os.path.join(dir, cmd)
206
if os.path.isfile(path):
207
return ExternalCommand(path)
211
find_command = classmethod(find_command)
213
def __init__(self, path):
216
pipe = os.popen('%s --bzr-usage' % path, 'r')
217
self.takes_options = pipe.readline().split()
219
for opt in self.takes_options:
220
if not opt in OPTIONS:
221
raise BzrError("Unknown option '%s' returned by external command %s"
224
# TODO: Is there any way to check takes_args is valid here?
225
self.takes_args = pipe.readline().split()
227
if pipe.close() is not None:
228
raise BzrError("Failed funning '%s --bzr-usage'" % path)
230
pipe = os.popen('%s --bzr-help' % path, 'r')
231
self.__doc__ = pipe.read()
232
if pipe.close() is not None:
233
raise BzrError("Failed funning '%s --bzr-help'" % path)
235
def __call__(self, options, arguments):
236
Command.__init__(self, options, arguments)
239
def run(self, **kargs):
246
optname = name.replace('_','-')
248
if OPTIONS.has_key(optname):
250
opts.append('--%s' % optname)
251
if value is not None and value is not True:
252
opts.append(str(value))
254
# it's an arg, or arg list
255
if type(value) is not list:
261
self.status = os.spawnv(os.P_WAIT, self.path, [self.path] + opts + args)
265
class cmd_status(Command):
266
"""Display status summary.
268
This reports on versioned and unknown files, reporting them
269
grouped by state. Possible states are:
272
Versioned in the working copy but not in the previous revision.
275
Versioned in the previous revision but removed or deleted
279
Path of this file changed from the previous revision;
280
the text may also have changed. This includes files whose
281
parent directory was renamed.
284
Text has changed since the previous revision.
287
Nothing about this file has changed since the previous revision.
288
Only shown with --all.
291
Not versioned and not matching an ignore pattern.
293
To see ignored files use 'bzr ignored'. For details in the
294
changes to file texts, use 'bzr diff'.
296
If no arguments are specified, the status of the entire working
297
directory is shown. Otherwise, only the status of the specified
298
files or directories is reported. If a directory is given, status
299
is reported for everything inside that directory.
301
takes_args = ['file*']
302
takes_options = ['all', 'show-ids']
303
aliases = ['st', 'stat']
305
def run(self, all=False, show_ids=False, file_list=None):
307
b = Branch(file_list[0])
308
file_list = [b.relpath(x) for x in file_list]
309
# special case: only one path was given and it's the root
311
if file_list == ['']:
316
status.show_status(b, show_unchanged=all, show_ids=show_ids,
317
specific_files=file_list)
320
class cmd_cat_revision(Command):
321
"""Write out metadata for a revision."""
324
takes_args = ['revision_id']
326
def run(self, revision_id):
327
Branch('.').get_revision(revision_id).write_xml(sys.stdout)
330
class cmd_revno(Command):
331
"""Show current revision number.
333
This is equal to the number of revisions on this branch."""
335
print Branch('.').revno()
338
class cmd_add(Command):
339
"""Add specified files or directories.
341
In non-recursive mode, all the named items are added, regardless
342
of whether they were previously ignored. A warning is given if
343
any of the named files are already versioned.
345
In recursive mode (the default), files are treated the same way
346
but the behaviour for directories is different. Directories that
347
are already versioned do not give a warning. All directories,
348
whether already versioned or not, are searched for files or
349
subdirectories that are neither versioned or ignored, and these
350
are added. This search proceeds recursively into versioned
353
Therefore simply saying 'bzr add .' will version all files that
354
are currently unknown.
356
TODO: Perhaps adding a file whose directly is not versioned should
357
recursively add that parent, rather than giving an error?
359
takes_args = ['file+']
360
takes_options = ['verbose', 'no-recurse']
362
def run(self, file_list, verbose=False, no_recurse=False):
363
bzrlib.add.smart_add(file_list, verbose, not no_recurse)
367
class cmd_mkdir(Command):
368
"""Create a new versioned directory.
370
This is equivalent to creating the directory and then adding it.
372
takes_args = ['dir+']
374
def run(self, dir_list):
383
b = bzrlib.branch.Branch(d)
384
b.add([d], verbose=True)
387
class cmd_relpath(Command):
388
"""Show path of a file relative to root"""
389
takes_args = ['filename']
392
def run(self, filename):
393
print Branch(filename).relpath(filename)
397
class cmd_inventory(Command):
398
"""Show inventory of the current working copy or a revision."""
399
takes_options = ['revision', 'show-ids']
401
def run(self, revision=None, show_ids=False):
404
inv = b.read_working_inventory()
406
inv = b.get_revision_inventory(b.lookup_revision(revision))
408
for path, entry in inv.entries():
410
print '%-50s %s' % (path, entry.file_id)
415
class cmd_move(Command):
416
"""Move files to a different directory.
421
The destination must be a versioned directory in the same branch.
423
takes_args = ['source$', 'dest']
424
def run(self, source_list, dest):
427
b.move([b.relpath(s) for s in source_list], b.relpath(dest))
430
class cmd_rename(Command):
431
"""Change the name of an entry.
434
bzr rename frob.c frobber.c
435
bzr rename src/frob.c lib/frob.c
437
It is an error if the destination name exists.
439
See also the 'move' command, which moves files into a different
440
directory without changing their name.
442
TODO: Some way to rename multiple files without invoking bzr for each
444
takes_args = ['from_name', 'to_name']
446
def run(self, from_name, to_name):
448
b.rename_one(b.relpath(from_name), b.relpath(to_name))
454
class cmd_pull(Command):
455
"""Pull any changes from another branch into the current one.
457
If the location is omitted, the last-used location will be used.
458
Both the revision history and the working directory will be
461
This command only works on branches that have not diverged. Branches are
462
considered diverged if both branches have had commits without first
463
pulling from the other.
465
If branches have diverged, you can use 'bzr merge' to pull the text changes
466
from one into the other.
468
takes_args = ['location?']
470
def run(self, location=None):
471
from bzrlib.merge import merge
477
stored_loc = br_to.controlfile("x-pull", "rb").read().rstrip('\n')
479
if errno == errno.ENOENT:
482
if stored_loc is None:
483
raise BzrCommandError("No pull location known or specified.")
485
print "Using last location: %s" % stored_loc
486
location = stored_loc
487
from branch import find_branch, DivergedBranches
488
br_from = find_branch(location)
489
location = pull_loc(br_from)
490
old_revno = br_to.revno()
492
br_to.update_revisions(br_from)
493
except DivergedBranches:
494
raise BzrCommandError("These branches have diverged. Try merge.")
496
merge(('.', -1), ('.', old_revno), check_clean=False)
497
if location != stored_loc:
498
br_to.controlfile("x-pull", "wb").write(location + "\n")
502
class cmd_branch(Command):
503
"""Create a new copy of a branch.
505
If the TO_LOCATION is omitted, the last component of the FROM_LOCATION will
506
be used. In other words, "branch ../foo/bar" will attempt to create ./bar.
508
To retrieve the branch as of a particular revision, supply the --revision
509
parameter, as in "branch foo/bar -r 5".
511
takes_args = ['from_location', 'to_location?']
512
takes_options = ['revision']
514
def run(self, from_location, to_location=None, revision=None):
516
from bzrlib.merge import merge
517
from branch import find_branch, DivergedBranches, NoSuchRevision
518
from shutil import rmtree
520
br_from = find_branch(from_location)
522
if e.errno == errno.ENOENT:
523
raise BzrCommandError('Source location "%s" does not exist.' %
528
if to_location is None:
529
to_location = os.path.basename(from_location.rstrip("/\\"))
532
os.mkdir(to_location)
534
if e.errno == errno.EEXIST:
535
raise BzrCommandError('Target directory "%s" already exists.' %
537
if e.errno == errno.ENOENT:
538
raise BzrCommandError('Parent of "%s" does not exist.' %
542
br_to = Branch(to_location, init=True)
545
br_to.update_revisions(br_from, stop_revision=revision)
546
except NoSuchRevision:
548
msg = "The branch %s has no revision %d." % (from_location,
550
raise BzrCommandError(msg)
551
merge((to_location, -1), (to_location, 0), this_dir=to_location,
552
check_clean=False, ignore_zero=True)
553
from_location = pull_loc(br_from)
554
br_to.controlfile("x-pull", "wb").write(from_location + "\n")
557
def pull_loc(branch):
558
# TODO: Should perhaps just make attribute be 'base' in
559
# RemoteBranch and Branch?
560
if hasattr(branch, "baseurl"):
561
return branch.baseurl
567
class cmd_renames(Command):
568
"""Show list of renamed files.
570
TODO: Option to show renames between two historical versions.
572
TODO: Only show renames under dir, rather than in the whole branch.
574
takes_args = ['dir?']
576
def run(self, dir='.'):
578
old_inv = b.basis_tree().inventory
579
new_inv = b.read_working_inventory()
581
renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
583
for old_name, new_name in renames:
584
print "%s => %s" % (old_name, new_name)
587
class cmd_info(Command):
588
"""Show statistical information about a branch."""
589
takes_args = ['branch?']
591
def run(self, branch=None):
594
from branch import find_branch
595
b = find_branch(branch)
599
class cmd_remove(Command):
600
"""Make a file unversioned.
602
This makes bzr stop tracking changes to a versioned file. It does
603
not delete the working copy.
605
takes_args = ['file+']
606
takes_options = ['verbose']
608
def run(self, file_list, verbose=False):
609
b = Branch(file_list[0])
610
b.remove([b.relpath(f) for f in file_list], verbose=verbose)
613
class cmd_file_id(Command):
614
"""Print file_id of a particular file or directory.
616
The file_id is assigned when the file is first added and remains the
617
same through all revisions where the file exists, even when it is
621
takes_args = ['filename']
622
def run(self, filename):
624
i = b.inventory.path2id(b.relpath(filename))
626
raise BzrError("%r is not a versioned file" % filename)
631
class cmd_file_path(Command):
632
"""Print path of file_ids to a file or directory.
634
This prints one line for each directory down to the target,
635
starting at the branch root."""
637
takes_args = ['filename']
638
def run(self, filename):
641
fid = inv.path2id(b.relpath(filename))
643
raise BzrError("%r is not a versioned file" % filename)
644
for fip in inv.get_idpath(fid):
648
class cmd_revision_history(Command):
649
"""Display list of revision ids on this branch."""
652
for patchid in Branch('.').revision_history():
656
class cmd_directories(Command):
657
"""Display list of versioned directories in this branch."""
659
for name, ie in Branch('.').read_working_inventory().directories():
666
class cmd_init(Command):
667
"""Make a directory into a versioned branch.
669
Use this to create an empty branch, or before importing an
672
Recipe for importing a tree of files:
677
bzr commit -m 'imported project'
680
Branch('.', init=True)
683
class cmd_diff(Command):
684
"""Show differences in working tree.
686
If files are listed, only the changes in those files are listed.
687
Otherwise, all changes for the tree are listed.
689
TODO: Given two revision arguments, show the difference between them.
691
TODO: Allow diff across branches.
693
TODO: Option to use external diff command; could be GNU diff, wdiff,
696
TODO: Python difflib is not exactly the same as unidiff; should
697
either fix it up or prefer to use an external diff.
699
TODO: If a directory is given, diff everything under that.
701
TODO: Selected-file diff is inefficient and doesn't show you
704
TODO: This probably handles non-Unix newlines poorly.
707
takes_args = ['file*']
708
takes_options = ['revision', 'diff-options']
709
aliases = ['di', 'dif']
711
def run(self, revision=None, file_list=None, diff_options=None):
712
from bzrlib.diff import show_diff
713
from bzrlib import find_branch
716
b = find_branch(file_list[0])
717
file_list = [b.relpath(f) for f in file_list]
718
if file_list == ['']:
719
# just pointing to top-of-tree
724
show_diff(b, revision, specific_files=file_list,
725
external_diff_options=diff_options)
731
class cmd_deleted(Command):
732
"""List files deleted in the working tree.
734
TODO: Show files deleted since a previous revision, or between two revisions.
736
def run(self, show_ids=False):
739
new = b.working_tree()
741
## TODO: Much more efficient way to do this: read in new
742
## directories with readdir, rather than stating each one. Same
743
## level of effort but possibly much less IO. (Or possibly not,
744
## if the directories are very large...)
746
for path, ie in old.inventory.iter_entries():
747
if not new.has_id(ie.file_id):
749
print '%-50s %s' % (path, ie.file_id)
754
class cmd_modified(Command):
755
"""List files modified in working tree."""
760
inv = b.read_working_inventory()
761
sc = statcache.update_cache(b, inv)
762
basis = b.basis_tree()
763
basis_inv = basis.inventory
765
# We used to do this through iter_entries(), but that's slow
766
# when most of the files are unmodified, as is usually the
767
# case. So instead we iterate by inventory entry, and only
768
# calculate paths as necessary.
770
for file_id in basis_inv:
771
cacheentry = sc.get(file_id)
772
if not cacheentry: # deleted
774
ie = basis_inv[file_id]
775
if cacheentry[statcache.SC_SHA1] != ie.text_sha1:
776
path = inv.id2path(file_id)
781
class cmd_added(Command):
782
"""List files added in working tree."""
786
wt = b.working_tree()
787
basis_inv = b.basis_tree().inventory
790
if file_id in basis_inv:
792
path = inv.id2path(file_id)
793
if not os.access(b.abspath(path), os.F_OK):
799
class cmd_root(Command):
800
"""Show the tree root directory.
802
The root is the nearest enclosing directory with a .bzr control
804
takes_args = ['filename?']
805
def run(self, filename=None):
806
"""Print the branch root."""
807
from branch import find_branch
808
b = find_branch(filename)
809
print getattr(b, 'base', None) or getattr(b, 'baseurl')
812
class cmd_log(Command):
813
"""Show log of this branch.
815
To request a range of logs, you can use the command -r begin:end
816
-r revision requests a specific revision, -r :end or -r begin: are
819
TODO: Make --revision support uuid: and hash: [future tag:] notation.
823
takes_args = ['filename?']
824
takes_options = ['forward', 'timezone', 'verbose', 'show-ids', 'revision']
826
def run(self, filename=None, timezone='original',
831
from bzrlib import show_log, find_branch
834
direction = (forward and 'forward') or 'reverse'
837
b = find_branch(filename)
838
fp = b.relpath(filename)
840
file_id = b.read_working_inventory().path2id(fp)
842
file_id = None # points to branch root
848
revision = [None, None]
849
elif isinstance(revision, int):
850
revision = [revision, revision]
855
assert len(revision) == 2
857
mutter('encoding log as %r' % bzrlib.user_encoding)
859
# use 'replace' so that we don't abort if trying to write out
860
# in e.g. the default C locale.
861
outf = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
864
show_timezone=timezone,
869
start_revision=revision[0],
870
end_revision=revision[1])
874
class cmd_touching_revisions(Command):
875
"""Return revision-ids which affected a particular file.
877
A more user-friendly interface is "bzr log FILE"."""
879
takes_args = ["filename"]
880
def run(self, filename):
882
inv = b.read_working_inventory()
883
file_id = inv.path2id(b.relpath(filename))
884
for revno, revision_id, what in bzrlib.log.find_touching_revisions(b, file_id):
885
print "%6d %s" % (revno, what)
888
class cmd_ls(Command):
889
"""List files in a tree.
891
TODO: Take a revision or remote path and list that tree instead.
894
def run(self, revision=None, verbose=False):
897
tree = b.working_tree()
899
tree = b.revision_tree(b.lookup_revision(revision))
901
for fp, fc, kind, fid in tree.list_files():
903
if kind == 'directory':
910
print '%-8s %s%s' % (fc, fp, kindch)
916
class cmd_unknowns(Command):
917
"""List unknown files."""
919
for f in Branch('.').unknowns():
924
class cmd_ignore(Command):
925
"""Ignore a command or pattern.
927
To remove patterns from the ignore list, edit the .bzrignore file.
929
If the pattern contains a slash, it is compared to the whole path
930
from the branch root. Otherwise, it is comapred to only the last
931
component of the path.
933
Ignore patterns are case-insensitive on case-insensitive systems.
935
Note: wildcards must be quoted from the shell on Unix.
938
bzr ignore ./Makefile
941
takes_args = ['name_pattern']
943
def run(self, name_pattern):
944
from bzrlib.atomicfile import AtomicFile
948
ifn = b.abspath('.bzrignore')
950
if os.path.exists(ifn):
953
igns = f.read().decode('utf-8')
959
# TODO: If the file already uses crlf-style termination, maybe
960
# we should use that for the newly added lines?
962
if igns and igns[-1] != '\n':
964
igns += name_pattern + '\n'
967
f = AtomicFile(ifn, 'wt')
968
f.write(igns.encode('utf-8'))
973
inv = b.working_tree().inventory
974
if inv.path2id('.bzrignore'):
975
mutter('.bzrignore is already versioned')
977
mutter('need to make new .bzrignore file versioned')
978
b.add(['.bzrignore'])
982
class cmd_ignored(Command):
983
"""List ignored files and the patterns that matched them.
985
See also: bzr ignore"""
987
tree = Branch('.').working_tree()
988
for path, file_class, kind, file_id in tree.list_files():
989
if file_class != 'I':
991
## XXX: Slightly inefficient since this was already calculated
992
pat = tree.is_ignored(path)
993
print '%-50s %s' % (path, pat)
996
class cmd_lookup_revision(Command):
997
"""Lookup the revision-id from a revision-number
1000
bzr lookup-revision 33
1003
takes_args = ['revno']
1005
def run(self, revno):
1009
raise BzrCommandError("not a valid revision-number: %r" % revno)
1011
print Branch('.').lookup_revision(revno)
1014
class cmd_export(Command):
1015
"""Export past revision to destination directory.
1017
If no revision is specified this exports the last committed revision.
1019
Format may be an "exporter" name, such as tar, tgz, tbz2. If none is
1020
given, exports to a directory (equivalent to --format=dir)."""
1021
# TODO: list known exporters
1022
takes_args = ['dest']
1023
takes_options = ['revision', 'format']
1024
def run(self, dest, revision=None, format='dir'):
1026
if revision == None:
1027
rh = b.revision_history()[-1]
1029
rh = b.lookup_revision(int(revision))
1030
t = b.revision_tree(rh)
1031
t.export(dest, format)
1034
class cmd_cat(Command):
1035
"""Write a file's text from a previous revision."""
1037
takes_options = ['revision']
1038
takes_args = ['filename']
1040
def run(self, filename, revision=None):
1041
if revision == None:
1042
raise BzrCommandError("bzr cat requires a revision number")
1044
b.print_file(b.relpath(filename), int(revision))
1047
class cmd_local_time_offset(Command):
1048
"""Show the offset in seconds from GMT to local time."""
1051
print bzrlib.osutils.local_time_offset()
1055
class cmd_commit(Command):
1056
"""Commit changes into a new revision.
1058
If selected files are specified, only changes to those files are
1059
committed. If a directory is specified then its contents are also
1062
A selected-file commit may fail in some cases where the committed
1063
tree would be invalid, such as trying to commit a file in a
1064
newly-added directory that is not itself committed.
1066
TODO: Run hooks on tree to-be-committed, and after commit.
1068
TODO: Strict commit that fails if there are unknown or deleted files.
1070
takes_args = ['selected*']
1071
takes_options = ['message', 'file', 'verbose']
1072
aliases = ['ci', 'checkin']
1074
def run(self, message=None, file=None, verbose=True, selected_list=None):
1075
from bzrlib.commit import commit
1076
from bzrlib.osutils import get_text_message
1078
## Warning: shadows builtin file()
1079
if not message and not file:
1082
catcher = cStringIO.StringIO()
1083
sys.stdout = catcher
1084
cmd_status({"file_list":selected_list}, {})
1085
info = catcher.getvalue()
1087
message = get_text_message(info)
1090
raise BzrCommandError("please specify a commit message",
1091
["use either --message or --file"])
1092
elif message and file:
1093
raise BzrCommandError("please specify either --message or --file")
1097
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
1100
commit(b, message, verbose=verbose, specific_files=selected_list)
1103
class cmd_check(Command):
1104
"""Validate consistency of branch history.
1106
This command checks various invariants about the branch storage to
1107
detect data corruption or bzr bugs.
1109
If given the --update flag, it will update some optional fields
1110
to help ensure data consistency.
1112
takes_args = ['dir?']
1114
def run(self, dir='.'):
1116
bzrlib.check.check(Branch(dir))
1120
class cmd_upgrade(Command):
1121
"""Upgrade branch storage to current format.
1123
This should normally be used only after the check command tells
1126
takes_args = ['dir?']
1128
def run(self, dir='.'):
1129
from bzrlib.upgrade import upgrade
1130
upgrade(Branch(dir))
1134
class cmd_whoami(Command):
1135
"""Show bzr user id."""
1136
takes_options = ['email']
1138
def run(self, email=False):
1140
print bzrlib.osutils.user_email()
1142
print bzrlib.osutils.username()
1145
class cmd_selftest(Command):
1146
"""Run internal test suite"""
1149
from bzrlib.selftest import selftest
1150
return int(not selftest())
1153
class cmd_version(Command):
1154
"""Show version of bzr."""
1159
print "bzr (bazaar-ng) %s" % bzrlib.__version__
1160
# is bzrlib itself in a branch?
1161
bzrrev = bzrlib.get_bzr_revision()
1163
print " (bzr checkout, revision %d {%s})" % bzrrev
1164
print bzrlib.__copyright__
1165
print "http://bazaar-ng.org/"
1167
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
1168
print "you may use, modify and redistribute it under the terms of the GNU"
1169
print "General Public License version 2 or later."
1172
class cmd_rocks(Command):
1173
"""Statement of optimism."""
1176
print "it sure does!"
1178
def parse_spec(spec):
1180
>>> parse_spec(None)
1182
>>> parse_spec("./")
1184
>>> parse_spec("../@")
1186
>>> parse_spec("../f/@35")
1192
parsed = spec.split('/@')
1193
assert len(parsed) == 2
1197
parsed[1] = int(parsed[1])
1198
assert parsed[1] >=0
1200
parsed = [spec, None]
1205
class cmd_merge(Command):
1206
"""Perform a three-way merge of trees.
1208
The SPEC parameters are working tree or revision specifiers. Working trees
1209
are specified using standard paths or urls. No component of a directory
1210
path may begin with '@'.
1212
Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar'
1214
Revisions are specified using a dirname/@revno pair, where dirname is the
1215
branch directory and revno is the revision within that branch. If no revno
1216
is specified, the latest revision is used.
1218
Revision examples: './@127', 'foo/@', '../@1'
1220
The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is
1221
not supplied, the common ancestor of OTHER_SPEC the current branch is used
1224
merge refuses to run if there are any uncommitted changes, unless
1227
takes_args = ['other_spec', 'base_spec?']
1228
takes_options = ['force']
1230
def run(self, other_spec, base_spec=None, force=False):
1231
from bzrlib.merge import merge
1232
merge(parse_spec(other_spec), parse_spec(base_spec),
1233
check_clean=(not force))
1236
class cmd_revert(Command):
1237
"""Reverse all changes since the last commit.
1239
Only versioned files are affected.
1241
TODO: Store backups of any files that will be reverted, so
1242
that the revert can be undone.
1244
takes_options = ['revision']
1246
def run(self, revision=-1):
1247
from bzrlib.merge import merge
1248
merge(('.', revision), parse_spec('.'),
1253
class cmd_assert_fail(Command):
1254
"""Test reporting of assertion failures"""
1257
assert False, "always fails"
1260
class cmd_help(Command):
1261
"""Show help on a command or other topic.
1263
For a list of all available commands, say 'bzr help commands'."""
1264
takes_args = ['topic?']
1267
def run(self, topic=None):
1272
class cmd_update_stat_cache(Command):
1273
"""Update stat-cache mapping inodes to SHA-1 hashes.
1275
For testing only."""
1280
statcache.update_cache(b.base, b.read_working_inventory())
1284
class cmd_plugins(Command):
1288
import bzrlib.plugin
1289
from pprint import pprint
1290
pprint(bzrlib.plugin.all_plugins)
1294
# list of all available options; the rhs can be either None for an
1295
# option that takes no argument, or a constructor function that checks
1299
'diff-options': str,
1308
'revision': _parse_revision_str,
1326
def parse_args(argv):
710
Return 0 or None if the command was successful, or a non-zero
711
shell error code if not. It's OK for this method to allow
712
an exception to raise up.
714
This method is automatically wrapped by Command.__init__ with a
715
cleanup operation, stored as self._operation. This can be used
716
via self.add_cleanup to perform automatic cleanups at the end of
719
The argument for run are assembled by introspection. So for instance,
720
if your command takes an argument files, you would declare::
722
def run(self, files=None):
725
raise NotImplementedError('no implementation of command %r'
729
"""Return help message for this class."""
730
from inspect import getdoc
731
if self.__doc__ is Command.__doc__:
735
def gettext(self, message):
736
"""Returns the gettext function used to translate this command's help.
738
Commands provided by plugins should override this to use their
741
return i18n.gettext_per_paragraph(message)
744
"""Return the canonical name for this command.
746
The name under which it was actually invoked is available in invoked_as.
748
return _unsquish_command_name(self.__class__.__name__)
750
def plugin_name(self):
751
"""Get the name of the plugin that provides this command.
753
:return: The name of the plugin or None if the command is builtin.
755
mod_parts = self.__module__.split('.')
756
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
762
class CommandHooks(Hooks):
763
"""Hooks related to Command object creation/enumeration."""
766
"""Create the default hooks.
768
These are all empty initially, because by default nothing should get
771
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
772
self.add_hook('extend_command',
773
"Called after creating a command object to allow modifications "
774
"such as adding or removing options, docs etc. Called with the "
775
"new bzrlib.commands.Command object.", (1, 13))
776
self.add_hook('get_command',
777
"Called when creating a single command. Called with "
778
"(cmd_or_None, command_name). get_command should either return "
779
"the cmd_or_None parameter, or a replacement Command object that "
780
"should be used for the command. Note that the Command.hooks "
781
"hooks are core infrastructure. Many users will prefer to use "
782
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
784
self.add_hook('get_missing_command',
785
"Called when creating a single command if no command could be "
786
"found. Called with (command_name). get_missing_command should "
787
"either return None, or a Command object to be used for the "
789
self.add_hook('list_commands',
790
"Called when enumerating commands. Called with a set of "
791
"cmd_name strings for all the commands found so far. This set "
792
" is safe to mutate - e.g. to remove a command. "
793
"list_commands should return the updated set of command names.",
795
self.add_hook('pre_command',
796
"Called prior to executing a command. Called with the command "
798
self.add_hook('post_command',
799
"Called after executing a command. Called with the command "
802
Command.hooks = CommandHooks()
805
def parse_args(command, argv, alias_argv=None):
1327
806
"""Parse command line.
1329
808
Arguments and options are parsed at this level before being passed
1330
809
down to specific command handlers. This routine knows, from a
1331
810
lookup table, something about the available options, what optargs
1332
811
they take, and which commands will accept them.
1334
>>> parse_args('--help'.split())
1335
([], {'help': True})
1336
>>> parse_args('--version'.split())
1337
([], {'version': True})
1338
>>> parse_args('status --all'.split())
1339
(['status'], {'all': True})
1340
>>> parse_args('commit --message=biter'.split())
1341
(['commit'], {'message': u'biter'})
1342
>>> parse_args('log -r 500'.split())
1343
(['log'], {'revision': 500})
1344
>>> parse_args('log -r500:600'.split())
1345
(['log'], {'revision': [500, 600]})
1346
>>> parse_args('log -vr500:600'.split())
1347
(['log'], {'verbose': True, 'revision': [500, 600]})
1348
>>> parse_args('log -rv500:600'.split()) #the r takes an argument
1349
Traceback (most recent call last):
1351
ValueError: invalid literal for int(): v500
1356
# TODO: Maybe handle '--' to end options?
1361
# option names must not be unicode
1365
mutter(" got option %r" % a)
1367
optname, optarg = a[2:].split('=', 1)
1370
if optname not in OPTIONS:
1371
raise BzrError('unknown long option %r' % a)
1374
if shortopt in SHORT_OPTIONS:
1375
# Multi-character options must have a space to delimit
1377
optname = SHORT_OPTIONS[shortopt]
1379
# Single character short options, can be chained,
1380
# and have their value appended to their name
1382
if shortopt not in SHORT_OPTIONS:
1383
# We didn't find the multi-character name, and we
1384
# didn't find the single char name
1385
raise BzrError('unknown short option %r' % a)
1386
optname = SHORT_OPTIONS[shortopt]
1389
# There are extra things on this option
1390
# see if it is the value, or if it is another
1392
optargfn = OPTIONS[optname]
1393
if optargfn is None:
1394
# This option does not take an argument, so the
1395
# next entry is another short option, pack it back
1397
argv.insert(0, '-' + a[2:])
1399
# This option takes an argument, so pack it
1404
# XXX: Do we ever want to support this, e.g. for -r?
1405
raise BzrError('repeated option %r' % a)
1407
optargfn = OPTIONS[optname]
1411
raise BzrError('option %r needs an argument' % a)
1413
optarg = argv.pop(0)
1414
opts[optname] = optargfn(optarg)
1417
raise BzrError('option %r takes no argument' % optname)
1418
opts[optname] = True
813
# TODO: make it a method of the Command?
814
parser = option.get_optparser(command.options())
815
if alias_argv is not None:
816
args = alias_argv + argv
820
# for python 2.5 and later, optparse raises this exception if a non-ascii
821
# option name is given. See http://bugs.python.org/issue2931
823
options, args = parser.parse_args(args)
824
except UnicodeEncodeError,e:
825
raise errors.BzrCommandError(
826
gettext('Only ASCII permitted in option names'))
828
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
829
v is not option.OptionParser.DEFAULT_VALUE])
1422
830
return args, opts
1427
833
def _match_argform(cmd, takes_args, args):
1441
847
argdict[argname + '_list'] = None
1442
848
elif ap[-1] == '+':
1444
raise BzrCommandError("command %r needs one or more %s"
1445
% (cmd, argname.upper()))
850
raise errors.BzrCommandError(gettext(
851
"command {0!r} needs one or more {1}").format(
852
cmd, argname.upper()))
1447
854
argdict[argname + '_list'] = args[:]
1449
856
elif ap[-1] == '$': # all but one
1450
857
if len(args) < 2:
1451
raise BzrCommandError("command %r needs one or more %s"
1452
% (cmd, argname.upper()))
858
raise errors.BzrCommandError(
859
gettext("command {0!r} needs one or more {1}").format(
860
cmd, argname.upper()))
1453
861
argdict[argname + '_list'] = args[:-1]
1456
864
# just a plain arg
1459
raise BzrCommandError("command %r requires argument %s"
1460
% (cmd, argname.upper()))
867
raise errors.BzrCommandError(
868
gettext("command {0!r} requires argument {1}").format(
869
cmd, argname.upper()))
1462
871
argdict[argname] = args.pop(0)
1465
raise BzrCommandError("extra argument to command %s: %s"
874
raise errors.BzrCommandError( gettext(
875
"extra argument to command {0}: {1}").format(
1471
def _parse_master_args(argv):
1472
"""Parse the arguments that always go with the original command.
1473
These are things like bzr --no-plugins, etc.
1475
There are now 2 types of option flags. Ones that come *before* the command,
1476
and ones that come *after* the command.
1477
Ones coming *before* the command are applied against all possible commands.
1478
And are generally applied before plugins are loaded.
1480
The current list are:
1481
--builtin Allow plugins to load, but don't let them override builtin commands,
1482
they will still be allowed if they do not override a builtin.
1483
--no-plugins Don't load any plugins. This lets you get back to official source
1485
--profile Enable the hotspot profile before running the command.
1486
For backwards compatibility, this is also a non-master option.
1487
--version Spit out the version of bzr that is running and exit.
1488
This is also a non-master option.
1489
--help Run help and exit, also a non-master option (I think that should stay, though)
1491
>>> argv, opts = _parse_master_args(['bzr', '--test'])
1492
Traceback (most recent call last):
1494
BzrCommandError: Invalid master option: 'test'
1495
>>> argv, opts = _parse_master_args(['bzr', '--version', 'command'])
1498
>>> print opts['version']
1500
>>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options'])
1502
['command', '--more-options']
1503
>>> print opts['profile']
1505
>>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command'])
1508
>>> print opts['no-plugins']
1510
>>> print opts['profile']
1512
>>> argv, opts = _parse_master_args(['bzr', 'command', '--profile'])
1514
['command', '--profile']
1515
>>> print opts['profile']
1518
master_opts = {'builtin':False,
1525
# This is the point where we could hook into argv[0] to determine
1526
# what front-end is supposed to be run
1527
# For now, we are just ignoring it.
1528
cmd_name = argv.pop(0)
1530
if arg[:2] != '--': # at the first non-option, we return the rest
1532
arg = arg[2:] # Remove '--'
1533
if arg not in master_opts:
1534
# We could say that this is not an error, that we should
1535
# just let it be handled by the main section instead
1536
raise BzrCommandError('Invalid master option: %r' % arg)
1537
argv.pop(0) # We are consuming this entry
1538
master_opts[arg] = True
1539
return argv, master_opts
880
def apply_coveraged(dirname, the_callable, *args, **kwargs):
881
# Cannot use "import trace", as that would import bzrlib.trace instead of
882
# the standard library's trace.
883
trace = __import__('trace')
885
tracer = trace.Trace(count=1, trace=0)
886
sys.settrace(tracer.globaltrace)
887
threading.settrace(tracer.globaltrace)
890
return exception_to_return_code(the_callable, *args, **kwargs)
893
results = tracer.results()
894
results.write_results(show_missing=1, summary=False,
898
def apply_profiled(the_callable, *args, **kwargs):
902
pffileno, pfname = tempfile.mkstemp()
904
prof = hotshot.Profile(pfname)
906
ret = prof.runcall(exception_to_return_code, the_callable, *args,
910
stats = hotshot.stats.load(pfname)
912
stats.sort_stats('cum') # 'time'
913
## XXX: Might like to write to stderr or the trace file instead but
914
## print_stats seems hardcoded to stdout
915
stats.print_stats(20)
922
def exception_to_return_code(the_callable, *args, **kwargs):
923
"""UI level helper for profiling and coverage.
925
This transforms exceptions into a return value of 3. As such its only
926
relevant to the UI layer, and should never be called where catching
927
exceptions may be desirable.
930
return the_callable(*args, **kwargs)
931
except (KeyboardInterrupt, Exception), e:
932
# used to handle AssertionError and KeyboardInterrupt
933
# specially here, but hopefully they're handled ok by the logger now
934
exc_info = sys.exc_info()
935
exitcode = trace.report_exception(exc_info, sys.stderr)
936
if os.environ.get('BZR_PDB'):
937
print '**** entering debugger'
939
pdb.post_mortem(exc_info[2])
943
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
944
from bzrlib.lsprof import profile
945
ret, stats = profile(exception_to_return_code, the_callable,
952
trace.note(gettext('Profile data written to "%s".'), filename)
956
def get_alias(cmd, config=None):
957
"""Return an expanded alias, or None if no alias exists.
960
Command to be checked for an alias.
962
Used to specify an alternative config to use,
963
which is especially useful for testing.
964
If it is unspecified, the global config will be used.
968
config = bzrlib.config.GlobalConfig()
969
alias = config.get_alias(cmd)
971
return cmdline.split(alias)
975
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
1544
976
"""Execute a command.
1546
This is similar to main(), but without all the trappings for
1547
logging and error handling.
978
:param argv: The command-line arguments, without the program name from
979
argv[0] These should already be decoded. All library/test code calling
980
run_bzr should be passing valid strings (don't need decoding).
981
:param load_plugins: What function to call when triggering plugin loading.
982
This function should take no arguments and cause all plugins to be
984
:param disable_plugins: What function to call when disabling plugin
985
loading. This function should take no arguments and cause all plugin
986
loading to be prohibited (so that code paths in your application that
987
know about some plugins possibly being present will fail to import
988
those plugins even if they are installed.)
989
:return: Returns a command exit code or raises an exception.
991
Special master options: these must come before the command because
992
they control how the command is interpreted.
995
Do not load plugin modules at all
1001
Only use builtin commands. (Plugins are still allowed to change
1005
Run under the Python hotshot profiler.
1008
Run under the Python lsprof profiler.
1011
Generate line coverage report in the specified directory.
1014
Specify the number of processes that can be run concurrently (selftest).
1549
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1552
# some options like --builtin and --no-plugins have special effects
1553
argv, master_opts = _parse_master_args(argv)
1554
if not master_opts['no-plugins']:
1555
bzrlib.load_plugins()
1557
args, opts = parse_args(argv)
1559
if master_opts['help']:
1560
from bzrlib.help import help
1568
from bzrlib.help import help
1574
elif 'version' in opts:
1577
elif args and args[0] == 'builtin':
1578
include_plugins=False
1580
cmd = str(args.pop(0))
1587
plugins_override = not (master_opts['builtin'])
1588
canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override)
1590
profile = master_opts['profile']
1591
# For backwards compatibility, I would rather stick with --profile being a
1592
# master/global option
1593
if 'profile' in opts:
1597
# check options are reasonable
1598
allowed = cmd_class.takes_options
1600
if oname not in allowed:
1601
raise BzrCommandError("option '--%s' is not allowed for command %r"
1604
# mix arguments and options into one dictionary
1605
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
1607
for k, v in opts.items():
1608
cmdopts[k.replace('-', '_')] = v
1611
import hotshot, tempfile
1612
pffileno, pfname = tempfile.mkstemp()
1614
prof = hotshot.Profile(pfname)
1615
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
1618
import hotshot.stats
1619
stats = hotshot.stats.load(pfname)
1621
stats.sort_stats('time')
1622
## XXX: Might like to write to stderr or the trace file instead but
1623
## print_stats seems hardcoded to stdout
1624
stats.print_stats(20)
1632
return cmd_class(cmdopts, cmdargs).status
1635
def _report_exception(summary, quiet=False):
1637
log_error('bzr: ' + summary)
1638
bzrlib.trace.log_exception()
1641
tb = sys.exc_info()[2]
1642
exinfo = traceback.extract_tb(tb)
1644
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1645
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1652
bzrlib.open_tracefile(argv)
1657
return run_bzr(argv)
1659
# do this here inside the exception wrappers to catch EPIPE
1662
quiet = isinstance(e, (BzrCommandError))
1663
_report_exception('error: ' + e.args[0], quiet=quiet)
1666
# some explanation or hints
1669
except AssertionError, e:
1670
msg = 'assertion failed'
1672
msg += ': ' + str(e)
1673
_report_exception(msg)
1675
except KeyboardInterrupt, e:
1676
_report_exception('interrupted', quiet=True)
1678
except Exception, e:
1680
if (isinstance(e, IOError)
1681
and hasattr(e, 'errno')
1682
and e.errno == errno.EPIPE):
1686
msg = str(e).rstrip('\n')
1687
_report_exception(msg, quiet)
1016
trace.mutter("bazaar version: " + bzrlib.__version__)
1017
argv = _specified_or_unicode_argv(argv)
1018
trace.mutter("bzr arguments: %r", argv)
1020
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1021
opt_no_l10n = opt_no_aliases = False
1022
opt_lsprof_file = opt_coverage_dir = None
1024
# --no-plugins is handled specially at a very early stage. We need
1025
# to load plugins before doing other command parsing so that they
1026
# can override commands, but this needs to happen first.
1030
override_config = []
1031
while i < len(argv):
1033
if a == '--profile':
1035
elif a == '--lsprof':
1037
elif a == '--lsprof-file':
1039
opt_lsprof_file = argv[i + 1]
1041
elif a == '--no-plugins':
1042
opt_no_plugins = True
1043
elif a == '--no-aliases':
1044
opt_no_aliases = True
1045
elif a == '--no-l10n':
1047
elif a == '--builtin':
1049
elif a == '--concurrency':
1050
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1052
elif a == '--coverage':
1053
opt_coverage_dir = argv[i + 1]
1055
elif a == '--profile-imports':
1056
pass # already handled in startup script Bug #588277
1057
elif a.startswith('-D'):
1058
debug.debug_flags.add(a[2:])
1059
elif a.startswith('-O'):
1060
override_config.append(a[2:])
1065
if bzrlib.global_state is None:
1066
# FIXME: Workaround for users that imported bzrlib but didn't call
1067
# bzrlib.initialize -- vila 2012-01-19
1068
cmdline_overrides = config.CommandLineStore()
1070
cmdline_overrides = bzrlib.global_state.cmdline_overrides
1071
cmdline_overrides._from_cmdline(override_config)
1073
debug.set_debug_flags_from_config()
1075
if not opt_no_plugins:
1082
get_cmd_object('help').run_argv_aliases([])
1085
if argv[0] == '--version':
1086
get_cmd_object('version').run_argv_aliases([])
1091
if not opt_no_aliases:
1092
alias_argv = get_alias(argv[0])
1094
argv[0] = alias_argv.pop(0)
1097
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1100
run = cmd_obj.run_argv_aliases
1101
run_argv = [argv, alias_argv]
1104
# We can be called recursively (tests for example), but we don't want
1105
# the verbosity level to propagate.
1106
saved_verbosity_level = option._verbosity_level
1107
option._verbosity_level = 0
1109
if opt_coverage_dir:
1111
'--coverage ignored, because --lsprof is in use.')
1112
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1114
if opt_coverage_dir:
1116
'--coverage ignored, because --profile is in use.')
1117
ret = apply_profiled(run, *run_argv)
1118
elif opt_coverage_dir:
1119
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1121
ret = run(*run_argv)
1690
bzrlib.trace.close_trace()
1693
if __name__ == '__main__':
1694
sys.exit(main(sys.argv))
1124
# reset, in case we may do other commands later within the same
1125
# process. Commands that want to execute sub-commands must propagate
1126
# --verbose in their own way.
1127
if 'memory' in debug.debug_flags:
1128
trace.debug_memory('Process status after command:', short=False)
1129
option._verbosity_level = saved_verbosity_level
1130
# Reset the overrides
1131
cmdline_overrides._reset()
1134
def display_command(func):
1135
"""Decorator that suppresses pipe/interrupt errors."""
1136
def ignore_pipe(*args, **kwargs):
1138
result = func(*args, **kwargs)
1142
if getattr(e, 'errno', None) is None:
1144
if e.errno != errno.EPIPE:
1145
# Win32 raises IOError with errno=0 on a broken pipe
1146
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1149
except KeyboardInterrupt:
1154
def install_bzr_command_hooks():
1155
"""Install the hooks to supply bzr's own commands."""
1156
if _list_bzr_commands in Command.hooks["list_commands"]:
1158
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1160
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1162
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1163
"bzr plugin commands")
1164
Command.hooks.install_named_hook("get_command", _get_external_command,
1165
"bzr external command lookup")
1166
Command.hooks.install_named_hook("get_missing_command",
1167
_try_plugin_provider,
1168
"bzr plugin-provider-db check")
1172
def _specified_or_unicode_argv(argv):
1173
# For internal or testing use, argv can be passed. Otherwise, get it from
1174
# the process arguments in a unicode-safe way.
1176
return osutils.get_unicode_argv()
1180
# ensure all arguments are unicode strings
1182
if isinstance(a, unicode):
1185
new_argv.append(a.decode('ascii'))
1186
except UnicodeDecodeError:
1187
raise errors.BzrError("argv should be list of unicode strings.")
1191
def main(argv=None):
1192
"""Main entry point of command-line interface.
1194
Typically `bzrlib.initialize` should be called first.
1196
:param argv: list of unicode command-line arguments similar to sys.argv.
1197
argv[0] is script name usually, it will be ignored.
1198
Don't pass here sys.argv because this list contains plain strings
1199
and not unicode; pass None instead.
1201
:return: exit code of bzr command.
1203
if argv is not None:
1205
_register_builtin_commands()
1206
ret = run_bzr_catch_errors(argv)
1207
trace.mutter("return code %d", ret)
1211
def run_bzr_catch_errors(argv):
1212
"""Run a bzr command with parameters as described by argv.
1214
This function assumed that that UI layer is setup, that symbol deprecations
1215
are already applied, and that unicode decoding has already been performed on argv.
1217
# done here so that they're covered for every test run
1218
install_bzr_command_hooks()
1219
return exception_to_return_code(run_bzr, argv)
1222
def run_bzr_catch_user_errors(argv):
1223
"""Run bzr and report user errors, but let internal errors propagate.
1225
This is used for the test suite, and might be useful for other programs
1226
that want to wrap the commandline interface.
1228
# done here so that they're covered for every test run
1229
install_bzr_command_hooks()
1231
return run_bzr(argv)
1232
except Exception, e:
1233
if (isinstance(e, (OSError, IOError))
1234
or not getattr(e, 'internal_error', True)):
1235
trace.report_exception(sys.exc_info(), sys.stderr)
1241
class HelpCommandIndex(object):
1242
"""A index for bzr help that returns commands."""
1245
self.prefix = 'commands/'
1247
def get_topics(self, topic):
1248
"""Search for topic amongst commands.
1250
:param topic: A topic to search for.
1251
:return: A list which is either empty or contains a single
1254
if topic and topic.startswith(self.prefix):
1255
topic = topic[len(self.prefix):]
1257
cmd = _get_cmd_object(topic, check_missing=False)
1264
class Provider(object):
1265
"""Generic class to be overriden by plugins"""
1267
def plugin_for_command(self, cmd_name):
1268
"""Takes a command and returns the information for that plugin
1270
:return: A dictionary with all the available information
1271
for the requested plugin
1273
raise NotImplementedError
1276
class ProvidersRegistry(registry.Registry):
1277
"""This registry exists to allow other providers to exist"""
1280
for key, provider in self.iteritems():
1283
command_providers_registry = ProvidersRegistry()
added
removed
bzrlib/commands.py
