14
19
# along with this program; if not, write to the Free Software
15
20
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
# TODO: probably should say which arguments are candidates for glob
19
# expansion on windows and do that at the command level.
21
# TODO: Help messages for options.
23
# TODO: Define arguments by objects, rather than just using names.
24
# Those objects can specify the expected type of the argument, which
25
# would help with validation and shell completion.
31
from warnings import warn
32
from inspect import getdoc
22
"""Bazaar-NG -- a free distributed version-control tool
24
**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
26
Current limitation include:
28
* Metadata format is not stable yet -- you may need to
29
discard history in the future.
31
* No handling of subdirectories, symlinks or any non-text files.
33
* Insufficient error handling.
35
* Many commands unimplemented or partially implemented.
37
* Space-inefficient storage.
39
* No merge operators yet.
41
Interesting commands::
44
Show summary help screen
46
Show software version/licence/non-warranty.
48
Start versioning the current directory
52
Show revision history.
54
Show changes from last revision to working copy.
55
bzr commit -m 'MESSAGE'
56
Store current state as new revision.
57
bzr export REVNO DESTINATION
58
Export the branch state at a previous version.
60
Show summary of pending changes.
62
Make a file not versioned.
65
# not currently working:
67
# Run internal consistency checks.
69
# Show some information about this branch.
73
__copyright__ = "Copyright 2005 Canonical Development Ltd."
74
__author__ = "Martin Pool <mbp@canonical.com>"
75
__docformat__ = "restructuredtext en"
79
import sys, os, random, time, sha, sets, types, re, shutil, tempfile
80
import traceback, socket, fnmatch, difflib
83
from pprint import pprint
36
from bzrlib.trace import mutter, note, log_error, warning
37
from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError
38
from bzrlib.branch import find_branch
39
from bzrlib import BZRDIR
44
def register_command(cmd):
45
"Utility function to help register a command"
48
if k.startswith("cmd_"):
49
k_unsquished = _unsquish_command_name(k)
52
if not plugin_cmds.has_key(k_unsquished):
53
plugin_cmds[k_unsquished] = cmd
54
mutter('registered plugin command %s', k_unsquished)
56
log_error('Two plugins defined the same command: %r' % k)
57
log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
60
def _squish_command_name(cmd):
61
return 'cmd_' + cmd.replace('-', '_')
64
def _unsquish_command_name(cmd):
65
assert cmd.startswith("cmd_")
66
return cmd[4:].replace('_','-')
69
def _parse_revision_str(revstr):
70
"""This handles a revision string -> revno.
72
This always returns a list. The list will have one element for
74
It supports integers directly, but everything else it
75
defers for passing to Branch.get_revision_info()
77
>>> _parse_revision_str('234')
79
>>> _parse_revision_str('234..567')
81
>>> _parse_revision_str('..')
83
>>> _parse_revision_str('..234')
85
>>> _parse_revision_str('234..')
87
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
89
>>> _parse_revision_str('234....789') # Error?
91
>>> _parse_revision_str('revid:test@other.com-234234')
92
['revid:test@other.com-234234']
93
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
94
['revid:test@other.com-234234', 'revid:test@other.com-234235']
95
>>> _parse_revision_str('revid:test@other.com-234234..23')
96
['revid:test@other.com-234234', 23]
97
>>> _parse_revision_str('date:2005-04-12')
99
>>> _parse_revision_str('date:2005-04-12 12:24:33')
100
['date:2005-04-12 12:24:33']
101
>>> _parse_revision_str('date:2005-04-12T12:24:33')
102
['date:2005-04-12T12:24:33']
103
>>> _parse_revision_str('date:2005-04-12,12:24:33')
104
['date:2005-04-12,12:24:33']
105
>>> _parse_revision_str('-5..23')
107
>>> _parse_revision_str('-5')
109
>>> _parse_revision_str('123a')
111
>>> _parse_revision_str('abc')
115
old_format_re = re.compile('\d*:\d*')
116
m = old_format_re.match(revstr)
118
warning('Colon separator for revision numbers is deprecated.'
121
for rev in revstr.split(':'):
123
revs.append(int(rev))
128
for x in revstr.split('..'):
139
def get_merge_type(typestring):
140
"""Attempt to find the merge class/factory associated with a string."""
141
from merge import merge_types
143
return merge_types[typestring][0]
145
templ = '%s%%7s: %%s' % (' '*12)
146
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
147
type_list = '\n'.join(lines)
148
msg = "No known merge type %s. Supported types are:\n%s" %\
149
(typestring, type_list)
150
raise BzrCommandError(msg)
153
def _builtin_commands():
154
import bzrlib.builtins
156
builtins = bzrlib.builtins.__dict__
157
for name in builtins:
158
if name.startswith("cmd_"):
159
real_name = _unsquish_command_name(name)
160
r[real_name] = builtins[name]
165
def builtin_command_names():
166
"""Return list of builtin command names."""
167
return _builtin_commands().keys()
170
def plugin_command_names():
171
return plugin_cmds.keys()
174
def _get_cmd_dict(plugins_override=True):
175
"""Return name->class mapping for all commands."""
176
d = _builtin_commands()
178
d.update(plugin_cmds)
182
def get_all_cmds(plugins_override=True):
183
"""Return canonical name and class for all registered commands."""
184
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
188
def get_cmd_object(cmd_name, plugins_override=True):
189
"""Return the canonical name and command class for a command.
192
If true, plugin commands can override builtins.
194
from bzrlib.externalcommand import ExternalCommand
196
cmd_name = str(cmd_name) # not unicode
198
# first look up this command under the specified name
199
cmds = _get_cmd_dict(plugins_override=plugins_override)
201
return cmds[cmd_name]()
205
# look for any command which claims this as an alias
206
for real_cmd_name, cmd_class in cmds.iteritems():
207
if cmd_name in cmd_class.aliases:
210
cmd_obj = ExternalCommand.find_command(cmd_name)
214
raise BzrCommandError("unknown command %r" % cmd_name)
217
class Command(object):
218
"""Base class for commands.
220
Commands are the heart of the command-line bzr interface.
222
The command object mostly handles the mapping of command-line
223
parameters into one or more bzrlib operations, and of the results
226
Commands normally don't have any state. All their arguments are
227
passed in to the run method. (Subclasses may take a different
228
policy if the behaviour of the instance needs to depend on e.g. a
229
shell plugin and not just its Python class.)
231
The docstring for an actual command should give a single-line
232
summary, then a complete description of the command. A grammar
233
description will be inserted.
236
Other accepted names for this command.
239
List of argument forms, marked with whether they are optional,
243
List of options that may be given for this command.
246
If true, this command isn't advertised. This is typically
247
for commands intended for expert users.
257
"""Construct an instance of this command."""
258
if self.__doc__ == Command.__doc__:
259
warn("No help message set for %r" % self)
262
def run_argv(self, argv):
263
"""Parse command line and run."""
264
args, opts = parse_args(argv)
266
if 'help' in opts: # e.g. bzr add --help
267
from bzrlib.help import help_on_command
268
help_on_command(self.name())
271
# check options are reasonable
272
allowed = self.takes_options
274
if oname not in allowed:
275
raise BzrCommandError("option '--%s' is not allowed for command %r"
276
% (oname, self.name()))
278
# mix arguments and options into one dictionary
279
cmdargs = _match_argform(self.name(), self.takes_args, args)
281
for k, v in opts.items():
282
cmdopts[k.replace('-', '_')] = v
284
all_cmd_args = cmdargs.copy()
285
all_cmd_args.update(cmdopts)
287
return self.run(**all_cmd_args)
291
"""Actually run the command.
293
This is invoked with the options and arguments bound to
296
Return 0 or None if the command was successful, or a non-zero
297
shell error code if not. It's OK for this method to allow
298
an exception to raise up.
300
raise NotImplementedError()
304
"""Return help message for this class."""
305
if self.__doc__ is Command.__doc__:
310
return _unsquish_command_name(self.__class__.__name__)
313
def parse_spec(spec):
319
>>> parse_spec("../@")
321
>>> parse_spec("../f/@35")
323
>>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67')
324
['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67']
329
parsed = spec.split('/@')
330
assert len(parsed) == 2
335
parsed[1] = int(parsed[1])
337
pass # We can allow stuff like ./@revid:blahblahblah
341
parsed = [spec, None]
88
from bzrlib.store import ImmutableStore
89
from bzrlib.trace import mutter, note, log_error
90
from bzrlib.errors import bailout, BzrError
91
from bzrlib.osutils import quotefn, pumpfile, isdir, isfile
92
from bzrlib.tree import RevisionTree, EmptyTree, WorkingTree, Tree
93
from bzrlib.revision import Revision
94
from bzrlib import Branch, Inventory, InventoryEntry, ScratchBranch, BZRDIR, \
97
BZR_DIFF_FORMAT = "## Bazaar-NG diff, format 0 ##\n"
98
BZR_PATCHNAME_FORMAT = 'cset:sha1:%s'
100
## standard representation
101
NONE_STRING = '(none)'
105
## TODO: Perhaps a different version of inventory commands that
106
## returns iterators...
108
## TODO: Perhaps an AtomicFile class that writes to a temporary file and then renames.
110
## TODO: Some kind of locking on branches. Perhaps there should be a
111
## parameter to the branch object saying whether we want a read or
112
## write lock; release it from destructor. Perhaps don't even need a
113
## read lock to look at immutable objects?
115
## TODO: Perhaps make UUIDs predictable in test mode to make it easier
116
## to compare output?
121
######################################################################
125
def cmd_status(all=False):
126
"""Display status summary.
128
For each file there is a single line giving its file state and name.
129
The name is that in the current revision unless it is deleted or
130
missing, in which case the old name is shown.
132
:todo: Don't show unchanged files unless ``--all`` is given?
134
Branch('.').show_status(show_all=all)
138
######################################################################
140
def cmd_get_revision(revision_id):
141
Branch('.').get_revision(revision_id).write_xml(sys.stdout)
144
def cmd_get_inventory(inventory_id):
145
"""Return inventory in XML by hash"""
146
Branch('.').get_inventory(inventory_hash).write_xml(sys.stdout)
149
def cmd_get_revision_inventory(revision_id):
150
"""Output inventory for a revision."""
152
b.get_revision_inventory(revision_id).write_xml(sys.stdout)
155
def cmd_get_file_text(text_id):
156
"""Get contents of a file by hash."""
157
sf = Branch('.').text_store[text_id]
158
pumpfile(sf, sys.stdout)
162
######################################################################
167
"""Show number of revisions on this branch"""
168
print Branch('.').revno()
171
def cmd_add(file_list, verbose=False):
172
"""Add specified files.
174
Fails if the files are already added.
176
Branch('.').add(file_list, verbose=verbose)
179
def cmd_inventory(revision=None):
180
"""Show inventory of the current working copy."""
181
## TODO: Also optionally show a previous inventory
182
## TODO: Format options
185
inv = b.read_working_inventory()
187
inv = b.get_revision_inventory(b.lookup_revision(revision))
189
for path, entry in inv.iter_entries():
190
print '%-50s %s' % (entry.file_id, path)
196
print 'branch format:', b.controlfile('branch-format', 'r').readline().rstrip('\n')
197
print 'revision number:', b.revno()
198
print 'number of versioned files:', len(b.read_working_inventory())
201
def cmd_remove(file_list, verbose=False):
202
Branch('.').remove(file_list, verbose=verbose)
206
def cmd_file_id(filename):
207
i = Branch('.').read_working_inventory().path2id(filename)
209
bailout("%s is not a versioned file" % filename)
214
def cmd_find_filename(fileid):
215
n = find_filename(fileid)
217
bailout("%s is not a live file id" % fileid)
222
def cmd_revision_history():
223
for patchid in Branch('.').revision_history():
229
# TODO: Check we're not already in a working directory? At the
230
# moment you'll get an ugly error.
232
# TODO: What if we're in a subdirectory of a branch? Would like
233
# to allow that, but then the parent may need to understand that
234
# the children have disappeared, or should they be versioned in
237
# TODO: Take an argument/option for branch name.
238
Branch('.', init=True)
241
def cmd_diff(revision=None):
242
"""Show diff from basis to working copy.
244
:todo: Take one or two revision arguments, look up those trees,
247
:todo: Allow diff across branches.
249
:todo: Mangle filenames in diff to be more relevant.
251
:todo: Shouldn't be in the cmd function.
257
old_tree = b.basis_tree()
259
old_tree = b.revision_tree(b.lookup_revision(revision))
261
new_tree = b.working_tree()
262
old_inv = old_tree.inventory
263
new_inv = new_tree.inventory
265
# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
269
DEVNULL = '/dev/null'
270
# Windows users, don't panic about this filename -- it is a
271
# special signal to GNU patch that the file should be created or
272
# deleted respectively.
274
# TODO: Generation of pseudo-diffs for added/deleted files could
275
# be usefully made into a much faster special case.
277
# TODO: Better to return them in sorted order I think.
279
for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
282
# Don't show this by default; maybe do it if an option is passed
283
# idlabel = ' {%s}' % fid
286
# FIXME: Something about the diff format makes patch unhappy
287
# with newly-added files.
289
def diffit(*a, **kw):
290
sys.stdout.writelines(difflib.unified_diff(*a, **kw))
293
if file_state in ['.', '?', 'I']:
295
elif file_state == 'A':
296
print '*** added %s %r' % (kind, new_name)
299
new_tree.get_file(fid).readlines(),
301
tofile=new_label + new_name + idlabel)
302
elif file_state == 'D':
303
assert isinstance(old_name, types.StringTypes)
304
print '*** deleted %s %r' % (kind, old_name)
306
diffit(old_tree.get_file(fid).readlines(), [],
307
fromfile=old_label + old_name + idlabel,
309
elif file_state in ['M', 'R']:
310
if file_state == 'M':
311
assert kind == 'file'
312
assert old_name == new_name
313
print '*** modified %s %r' % (kind, new_name)
314
elif file_state == 'R':
315
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
318
diffit(old_tree.get_file(fid).readlines(),
319
new_tree.get_file(fid).readlines(),
320
fromfile=old_label + old_name + idlabel,
321
tofile=new_label + new_name)
323
bailout("can't represent state %s {%s}" % (file_state, fid))
328
"""Show log of this branch.
330
:todo: Options for utc; to show ids; to limit range; etc.
332
Branch('.').write_log()
335
def cmd_ls(revision=None, verbose=False):
336
"""List files in a tree.
338
:todo: Take a revision or remote path and list that tree instead.
342
tree = b.working_tree()
344
tree = b.revision_tree(b.lookup_revision(revision))
346
for fp, fc, kind, fid in tree.list_files():
348
if kind == 'directory':
355
print '%-8s %s%s' % (fc, fp, kindch)
362
"""List unknown files"""
363
for f in Branch('.').unknowns():
367
def cmd_lookup_revision(revno):
371
bailout("usage: lookup-revision REVNO",
372
["REVNO is a non-negative revision number for this branch"])
374
print Branch('.').lookup_revision(revno) or NONE_STRING
378
def cmd_export(revno, dest):
379
"""Export past revision to destination directory."""
381
rh = b.lookup_revision(int(revno))
382
t = b.revision_tree(rh)
387
######################################################################
388
# internal/test commands
392
"""Print a newly-generated UUID."""
397
def cmd_local_time_offset():
398
print bzrlib.osutils.local_time_offset()
402
def cmd_commit(message, verbose=False):
403
Branch('.').commit(message, verbose=verbose)
407
"""Check consistency of the branch."""
411
def cmd_is(pred, *rest):
412
"""Test whether PREDICATE is true."""
414
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
416
bailout("unknown predicate: %s" % quotefn(pred))
420
except BzrCheckError:
421
# by default we don't print the message so that this can
422
# be used from shell scripts without producing noise
427
print bzrlib.osutils.username()
430
def cmd_user_email():
431
print bzrlib.osutils.user_email()
434
def cmd_gen_revision_id():
436
print bzrlib.branch._gen_revision_id(time.time())
440
"""Run internal doctest suite"""
441
## -v, if present, is seen by doctest; the argument is just here
442
## so our parser doesn't complain
444
## TODO: --verbose option
446
import bzr, doctest, bzrlib.store
447
bzrlib.trace.verbose = False
449
doctest.testmod(bzrlib.store)
450
doctest.testmod(bzrlib.inventory)
451
doctest.testmod(bzrlib.branch)
452
doctest.testmod(bzrlib.osutils)
453
doctest.testmod(bzrlib.tree)
455
# more strenuous tests;
457
doctest.testmod(bzrlib.tests)
460
######################################################################
465
# TODO: Specific help for particular commands
470
print "bzr (bazaar-ng) %s" % __version__
472
print "http://bazaar-ng.org/"
475
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
476
you may use, modify and redistribute it under the terms of the GNU
477
General Public License version 2 or later."""
481
"""Statement of optimism."""
482
print "it sure does!"
486
######################################################################
347
490
# list of all available options; the rhs can be either None for an
597
def _match_args(cmd, args):
598
"""Check non-option arguments match required pattern.
491
def _match_argform(cmd, takes_args, args):
600
>>> _match_args('status', ['asdasdsadasd'])
601
Traceback (most recent call last):
603
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
604
>>> _match_args('add', ['asdasdsadasd'])
605
{'file_list': ['asdasdsadasd']}
606
>>> _match_args('add', 'abc def gj'.split())
607
{'file_list': ['abc', 'def', 'gj']}
609
# match argument pattern
610
argform = cmd_args.get(cmd, [])
494
# step through args and takes_args, allowing appropriate 0-many matches
495
for ap in takes_args:
612
# TODO: Need a way to express 'cp SRC... DEST', where it matches
496
615
argname = ap[:-1]
497
616
if ap[-1] == '?':
499
argdict[argname] = args.pop(0)
500
elif ap[-1] == '*': # all remaining arguments
502
argdict[argname + '_list'] = args[:]
505
argdict[argname + '_list'] = None
506
620
elif ap[-1] == '+':
508
raise BzrCommandError("command %r needs one or more %s"
622
bailout("command %r needs one or more %s"
509
623
% (cmd, argname.upper()))
511
625
argdict[argname + '_list'] = args[:]
513
elif ap[-1] == '$': # all but one
515
raise BzrCommandError("command %r needs one or more %s"
516
% (cmd, argname.upper()))
517
argdict[argname + '_list'] = args[:-1]
520
628
# just a plain arg
523
raise BzrCommandError("command %r requires argument %s"
631
bailout("command %r requires argument %s"
524
632
% (cmd, argname.upper()))
526
634
argdict[argname] = args.pop(0)
529
raise BzrCommandError("extra argument to command %s: %s"
637
bailout("extra arguments to command %s: %r"
536
def apply_profiled(the_callable, *args, **kwargs):
539
pffileno, pfname = tempfile.mkstemp()
541
prof = hotshot.Profile(pfname)
543
ret = prof.runcall(the_callable, *args, **kwargs) or 0
548
stats = hotshot.stats.load(pfname)
550
stats.sort_stats('time')
551
## XXX: Might like to write to stderr or the trace file instead but
552
## print_stats seems hardcoded to stdout
553
stats.print_stats(20)
561
644
def run_bzr(argv):
562
645
"""Execute a command.
564
647
This is similar to main(), but without all the trappings for
565
logging and error handling.
568
The command-line arguments, without the program name from argv[0]
570
Returns a command status or raises an exception.
572
Special master options: these must come before the command because
573
they control how the command is interpreted.
576
Do not load plugin modules at all
579
Only use builtin commands. (Plugins are still allowed to change
583
Run under the Python profiler.
648
logging and error handling.
586
argv = [a.decode(bzrlib.user_encoding) for a in argv]
588
opt_profile = opt_no_plugins = opt_builtin = False
590
# --no-plugins is handled specially at a very early stage. We need
591
# to load plugins before doing other command parsing so that they
592
# can override commands, but this needs to happen first.
597
elif a == '--no-plugins':
598
opt_no_plugins = True
599
elif a == '--builtin':
605
if (not argv) or (argv[0] == '--help'):
606
from bzrlib.help import help
613
if argv[0] == '--version':
614
from bzrlib.builtins import show_version
618
if not opt_no_plugins:
619
from bzrlib.plugin import load_plugins
622
cmd = str(argv.pop(0))
624
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
627
ret = apply_profiled(cmd_obj.run_argv, argv)
629
ret = cmd_obj.run_argv(argv)
651
args, opts = parse_args(argv)
653
# TODO: pass down other arguments in case they asked for
654
# help on a command name?
657
elif 'version' in opts:
662
log_error('usage: bzr COMMAND\n')
663
log_error(' try "bzr help"\n')
667
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
669
bailout("unknown command " + `cmd`)
671
# TODO: special --profile option to turn on the Python profiler
673
# check options are reasonable
674
allowed = cmd_options.get(cmd, [])
676
if oname not in allowed:
677
bailout("option %r is not allowed for command %r"
680
cmdargs = _match_args(cmd, args)
683
ret = cmd_handler(**cmdargs) or 0
635
bzrlib.trace.log_startup(argv)
636
bzrlib.ui.ui_factory = bzrlib.ui.TextUIFactory()
688
## TODO: Handle command-line options; probably know what options are valid for
691
## TODO: If the arguments are wrong, give a usage message rather
692
## than just a backtrace.
640
return run_bzr(argv[1:])
642
# do this here inside the exception wrappers to catch EPIPE
644
except BzrCommandError, e:
645
# command line syntax error, etc
695
t = bzrlib.trace._tracefile
696
t.write('-' * 60 + '\n')
697
t.write('bzr invoked at %s\n' % format_date(time.time()))
698
t.write(' by %s on %s\n' % (bzrlib.osutils.username(), socket.gethostname()))
699
t.write(' arguments: %r\n' % argv)
701
starttime = os.times()[4]
704
t.write(' platform: %s\n' % platform.platform())
705
t.write(' python: %s\n' % platform.python_version())
710
mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum"
712
mutter(" %.3f elapsed" % (times[4] - starttime))
648
715
except BzrError, e:
649
bzrlib.trace.log_exception()
716
log_error('bzr: error: ' + e.args[0] + '\n')
719
log_error(' ' + h + '\n')
651
except AssertionError, e:
652
bzrlib.trace.log_exception('assertion failed: ' + str(e))
654
except KeyboardInterrupt, e:
655
bzrlib.trace.note('interrupted')
657
721
except Exception, e:
659
if (isinstance(e, IOError)
660
and hasattr(e, 'errno')
661
and e.errno == errno.EPIPE):
662
bzrlib.trace.note('broken pipe')
665
bzrlib.trace.log_exception()
722
log_error('bzr: exception: %s\n' % e)
723
log_error(' see .bzr.log for details\n')
724
traceback.print_exc(None, bzrlib.trace._tracefile)
725
traceback.print_exc(None, sys.stderr)
728
# TODO: Maybe nicer handling of IOError?
669
732
if __name__ == '__main__':
670
733
sys.exit(main(sys.argv))
735
##profile.run('main(sys.argv)')