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.
28
# TODO: Help messages for options.
30
# TODO: Define arguments by objects, rather than just using names.
31
# Those objects can specify the expected type of the argument, which
32
# would help with validation and shell completion.
38
from warnings import warn
39
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
86
from ElementTree import Element, ElementTree, SubElement
43
from bzrlib.trace import mutter, note, log_error, warning
44
from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError, NotBranchError
45
from bzrlib.branch import find_branch
46
from bzrlib import BZRDIR
51
def register_command(cmd):
52
"Utility function to help register a command"
55
if k.startswith("cmd_"):
56
k_unsquished = _unsquish_command_name(k)
59
if not plugin_cmds.has_key(k_unsquished):
60
plugin_cmds[k_unsquished] = cmd
61
mutter('registered plugin command %s', k_unsquished)
63
log_error('Two plugins defined the same command: %r' % k)
64
log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
67
def _squish_command_name(cmd):
68
return 'cmd_' + cmd.replace('-', '_')
71
def _unsquish_command_name(cmd):
72
assert cmd.startswith("cmd_")
73
return cmd[4:].replace('_','-')
76
def _parse_revision_str(revstr):
77
"""This handles a revision string -> revno.
79
This always returns a list. The list will have one element for
81
It supports integers directly, but everything else it
82
defers for passing to Branch.get_revision_info()
84
>>> _parse_revision_str('234')
86
>>> _parse_revision_str('234..567')
88
>>> _parse_revision_str('..')
90
>>> _parse_revision_str('..234')
92
>>> _parse_revision_str('234..')
94
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
96
>>> _parse_revision_str('234....789') # Error?
98
>>> _parse_revision_str('revid:test@other.com-234234')
99
['revid:test@other.com-234234']
100
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
101
['revid:test@other.com-234234', 'revid:test@other.com-234235']
102
>>> _parse_revision_str('revid:test@other.com-234234..23')
103
['revid:test@other.com-234234', 23]
104
>>> _parse_revision_str('date:2005-04-12')
106
>>> _parse_revision_str('date:2005-04-12 12:24:33')
107
['date:2005-04-12 12:24:33']
108
>>> _parse_revision_str('date:2005-04-12T12:24:33')
109
['date:2005-04-12T12:24:33']
110
>>> _parse_revision_str('date:2005-04-12,12:24:33')
111
['date:2005-04-12,12:24:33']
112
>>> _parse_revision_str('-5..23')
114
>>> _parse_revision_str('-5')
116
>>> _parse_revision_str('123a')
118
>>> _parse_revision_str('abc')
122
old_format_re = re.compile('\d*:\d*')
123
m = old_format_re.match(revstr)
125
warning('Colon separator for revision numbers is deprecated.'
128
for rev in revstr.split(':'):
130
revs.append(int(rev))
135
for x in revstr.split('..'):
146
def get_merge_type(typestring):
147
"""Attempt to find the merge class/factory associated with a string."""
148
from merge import merge_types
150
return merge_types[typestring][0]
152
templ = '%s%%7s: %%s' % (' '*12)
153
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
154
type_list = '\n'.join(lines)
155
msg = "No known merge type %s. Supported types are:\n%s" %\
156
(typestring, type_list)
157
raise BzrCommandError(msg)
160
def _builtin_commands():
161
import bzrlib.builtins
163
builtins = bzrlib.builtins.__dict__
164
for name in builtins:
165
if name.startswith("cmd_"):
166
real_name = _unsquish_command_name(name)
167
r[real_name] = builtins[name]
172
def builtin_command_names():
173
"""Return list of builtin command names."""
174
return _builtin_commands().keys()
177
def plugin_command_names():
178
return plugin_cmds.keys()
181
def _get_cmd_dict(plugins_override=True):
182
"""Return name->class mapping for all commands."""
183
d = _builtin_commands()
185
d.update(plugin_cmds)
189
def get_all_cmds(plugins_override=True):
190
"""Return canonical name and class for all registered commands."""
191
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
195
def get_cmd_object(cmd_name, plugins_override=True):
196
"""Return the canonical name and command class for a command.
199
If true, plugin commands can override builtins.
201
from bzrlib.externalcommand import ExternalCommand
203
cmd_name = str(cmd_name) # not unicode
205
# first look up this command under the specified name
206
cmds = _get_cmd_dict(plugins_override=plugins_override)
208
return cmds[cmd_name]()
212
# look for any command which claims this as an alias
213
for real_cmd_name, cmd_class in cmds.iteritems():
214
if cmd_name in cmd_class.aliases:
217
cmd_obj = ExternalCommand.find_command(cmd_name)
221
raise BzrCommandError("unknown command %r" % cmd_name)
224
class Command(object):
225
"""Base class for commands.
227
Commands are the heart of the command-line bzr interface.
229
The command object mostly handles the mapping of command-line
230
parameters into one or more bzrlib operations, and of the results
233
Commands normally don't have any state. All their arguments are
234
passed in to the run method. (Subclasses may take a different
235
policy if the behaviour of the instance needs to depend on e.g. a
236
shell plugin and not just its Python class.)
238
The docstring for an actual command should give a single-line
239
summary, then a complete description of the command. A grammar
240
description will be inserted.
243
Other accepted names for this command.
246
List of argument forms, marked with whether they are optional,
250
List of options that may be given for this command.
253
If true, this command isn't advertised. This is typically
254
for commands intended for expert users.
264
"""Construct an instance of this command."""
265
if self.__doc__ == Command.__doc__:
266
warn("No help message set for %r" % self)
269
def run_argv(self, argv):
270
"""Parse command line and run."""
271
args, opts = parse_args(argv)
273
if 'help' in opts: # e.g. bzr add --help
274
from bzrlib.help import help_on_command
275
help_on_command(self.name())
278
# check options are reasonable
279
allowed = self.takes_options
281
if oname not in allowed:
282
raise BzrCommandError("option '--%s' is not allowed for command %r"
283
% (oname, self.name()))
285
# mix arguments and options into one dictionary
286
cmdargs = _match_argform(self.name(), self.takes_args, args)
288
for k, v in opts.items():
289
cmdopts[k.replace('-', '_')] = v
291
all_cmd_args = cmdargs.copy()
292
all_cmd_args.update(cmdopts)
294
return self.run(**all_cmd_args)
298
"""Actually run the command.
300
This is invoked with the options and arguments bound to
303
Return 0 or None if the command was successful, or a non-zero
304
shell error code if not. It's OK for this method to allow
305
an exception to raise up.
307
raise NotImplementedError()
311
"""Return help message for this class."""
312
if self.__doc__ is Command.__doc__:
317
return _unsquish_command_name(self.__class__.__name__)
320
def parse_spec(spec):
326
>>> parse_spec("../@")
328
>>> parse_spec("../f/@35")
330
>>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67')
331
['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67']
336
parsed = spec.split('/@')
337
assert len(parsed) == 2
342
parsed[1] = int(parsed[1])
344
pass # We can allow stuff like ./@revid:blahblahblah
348
parsed = [spec, None]
89
from bzrlib.store import ImmutableStore
90
from bzrlib.trace import mutter, note, log_error
91
from bzrlib.errors import bailout, BzrError
92
from bzrlib.osutils import quotefn, pumpfile, isdir, isfile
93
from bzrlib.tree import RevisionTree, EmptyTree, WorkingTree, Tree
94
from bzrlib.revision import Revision
95
from bzrlib import Branch, Inventory, InventoryEntry, ScratchBranch, BZRDIR, \
98
BZR_DIFF_FORMAT = "## Bazaar-NG diff, format 0 ##\n"
99
BZR_PATCHNAME_FORMAT = 'cset:sha1:%s'
101
## standard representation
102
NONE_STRING = '(none)'
106
## TODO: Perhaps a different version of inventory commands that
107
## returns iterators...
109
## TODO: Perhaps an AtomicFile class that writes to a temporary file and then renames.
111
## TODO: Some kind of locking on branches. Perhaps there should be a
112
## parameter to the branch object saying whether we want a read or
113
## write lock; release it from destructor. Perhaps don't even need a
114
## read lock to look at immutable objects?
116
## TODO: Perhaps make UUIDs predictable in test mode to make it easier
117
## to compare output?
119
## TODO: Is ElementTree really all that much better for our purposes?
120
## Perhaps using the standard MiniDOM would be enough?
127
######################################################################
131
def cmd_status(all=False):
132
"""Display status summary.
134
For each file there is a single line giving its file state and name.
135
The name is that in the current revision unless it is deleted or
136
missing, in which case the old name is shown.
138
:todo: Don't show unchanged files unless ``--all`` is given?
140
Branch('.').show_status(show_all=all)
144
######################################################################
146
def cmd_get_revision(revision_id):
147
Branch('.').get_revision(revision_id).write_xml(sys.stdout)
150
def cmd_get_inventory(inventory_id):
151
"""Return inventory in XML by hash"""
152
Branch('.').get_inventory(inventory_hash).write_xml(sys.stdout)
155
def cmd_get_revision_inventory(revision_id):
156
"""Output inventory for a revision."""
158
b.get_revision_inventory(revision_id).write_xml(sys.stdout)
161
def cmd_get_file_text(text_id):
162
"""Get contents of a file by hash."""
163
sf = Branch('.').text_store[text_id]
164
pumpfile(sf, sys.stdout)
168
######################################################################
173
"""Show number of revisions on this branch"""
174
print Branch('.').revno()
177
def cmd_add(file_list, verbose=False):
178
"""Add specified files.
180
Fails if the files are already added.
182
Branch('.').add(file_list, verbose=verbose)
185
def cmd_inventory(revision=None):
186
"""Show inventory of the current working copy."""
187
## TODO: Also optionally show a previous inventory
188
## TODO: Format options
191
inv = b.read_working_inventory()
193
inv = b.get_revision_inventory(b.lookup_revision(revision))
195
for path, entry in inv.iter_entries():
196
print '%-50s %s' % (entry.file_id, path)
202
print 'branch format:', b.controlfile('branch-format', 'r').readline().rstrip('\n')
203
print 'revision number:', b.revno()
204
print 'number of versioned files:', len(b.read_working_inventory())
207
def cmd_remove(file_list, verbose=False):
208
Branch('.').remove(file_list, verbose=verbose)
212
def cmd_file_id(filename):
213
i = Branch('.').read_working_inventory().path2id(filename)
215
bailout("%s is not a versioned file" % filename)
220
def cmd_find_filename(fileid):
221
n = find_filename(fileid)
223
bailout("%s is not a live file id" % fileid)
228
def cmd_revision_history():
229
for patchid in Branch('.').revision_history():
235
# TODO: Check we're not already in a working directory? At the
236
# moment you'll get an ugly error.
238
# TODO: What if we're in a subdirectory of a branch? Would like
239
# to allow that, but then the parent may need to understand that
240
# the children have disappeared, or should they be versioned in
243
# TODO: Take an argument/option for branch name.
244
Branch('.', init=True)
247
def cmd_diff(revision=None):
248
"""Show diff from basis to working copy.
250
:todo: Take one or two revision arguments, look up those trees,
253
:todo: Allow diff across branches.
255
:todo: Mangle filenames in diff to be more relevant.
257
:todo: Shouldn't be in the cmd function.
263
old_tree = b.basis_tree()
265
old_tree = b.revision_tree(b.lookup_revision(revision))
267
new_tree = b.working_tree()
268
old_inv = old_tree.inventory
269
new_inv = new_tree.inventory
271
# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
275
DEVNULL = '/dev/null'
276
# Windows users, don't panic about this filename -- it is a
277
# special signal to GNU patch that the file should be created or
278
# deleted respectively.
280
# TODO: Generation of pseudo-diffs for added/deleted files could
281
# be usefully made into a much faster special case.
283
# TODO: Better to return them in sorted order I think.
285
for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
288
# Don't show this by default; maybe do it if an option is passed
289
# idlabel = ' {%s}' % fid
292
# FIXME: Something about the diff format makes patch unhappy
293
# with newly-added files.
295
def diffit(*a, **kw):
296
sys.stdout.writelines(difflib.unified_diff(*a, **kw))
299
if file_state in ['.', '?', 'I']:
301
elif file_state == 'A':
302
print '*** added %s %r' % (kind, new_name)
305
new_tree.get_file(fid).readlines(),
307
tofile=new_label + new_name + idlabel)
308
elif file_state == 'D':
309
assert isinstance(old_name, types.StringTypes)
310
print '*** deleted %s %r' % (kind, old_name)
312
diffit(old_tree.get_file(fid).readlines(), [],
313
fromfile=old_label + old_name + idlabel,
315
elif file_state in ['M', 'R']:
316
if file_state == 'M':
317
assert kind == 'file'
318
assert old_name == new_name
319
print '*** modified %s %r' % (kind, new_name)
320
elif file_state == 'R':
321
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
324
diffit(old_tree.get_file(fid).readlines(),
325
new_tree.get_file(fid).readlines(),
326
fromfile=old_label + old_name + idlabel,
327
tofile=new_label + new_name)
329
bailout("can't represent state %s {%s}" % (file_state, fid))
334
"""Show log of this branch.
336
:todo: Options for utc; to show ids; to limit range; etc.
338
Branch('.').write_log()
341
def cmd_ls(revision=None, verbose=False):
342
"""List files in a tree.
344
:todo: Take a revision or remote path and list that tree instead.
348
tree = b.working_tree()
350
tree = b.revision_tree(b.lookup_revision(revision))
352
for fp, fc, kind, fid in tree.list_files():
354
if kind == 'directory':
361
print '%-8s %s%s' % (fc, fp, kindch)
368
"""List unknown files"""
369
for f in Branch('.').unknowns():
373
def cmd_lookup_revision(revno):
377
bailout("usage: lookup-revision REVNO",
378
["REVNO is a non-negative revision number for this branch"])
380
print Branch('.').lookup_revision(revno) or NONE_STRING
384
def cmd_export(revno, dest):
385
"""Export past revision to destination directory."""
387
rh = b.lookup_revision(int(revno))
388
t = b.revision_tree(rh)
393
######################################################################
394
# internal/test commands
398
"""Print a newly-generated UUID."""
403
def cmd_commit(message, verbose=False):
404
Branch('.').commit(message, verbose=verbose)
408
"""Check consistency of the branch."""
412
def cmd_is(pred, *rest):
413
"""Test whether PREDICATE is true."""
415
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
417
bailout("unknown predicate: %s" % quotefn(pred))
421
except BzrCheckError:
422
# by default we don't print the message so that this can
423
# be used from shell scripts without producing noise
428
print bzrlib.osutils.username()
431
def cmd_user_email():
432
print bzrlib.osutils.user_email()
435
def cmd_gen_revision_id():
437
print bzrlib.branch._gen_revision_id(time.time())
441
"""Run internal doctest suite"""
442
## -v, if present, is seen by doctest; the argument is just here
443
## so our parser doesn't complain
445
## TODO: --verbose option
447
import bzr, doctest, bzrlib.store
448
bzrlib.trace.verbose = False
450
doctest.testmod(bzrlib.store)
451
doctest.testmod(bzrlib.inventory)
452
doctest.testmod(bzrlib.branch)
453
doctest.testmod(bzrlib.osutils)
454
doctest.testmod(bzrlib.tree)
456
# more strenuous tests;
458
doctest.testmod(bzrlib.tests)
461
######################################################################
466
# TODO: Specific help for particular commands
471
print "bzr (bazaar-ng) %s" % __version__
473
print "http://bazaar-ng.org/"
476
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
477
you may use, modify and redistribute it under the terms of the GNU
478
General Public License version 2 or later."""
482
"""Statement of optimism."""
483
print "it sure does!"
487
######################################################################
352
491
# list of all available options; the rhs can be either None for an
598
def _match_args(cmd, args):
599
"""Check non-option arguments match required pattern.
496
def _match_argform(cmd, takes_args, args):
601
>>> _match_args('status', ['asdasdsadasd'])
602
Traceback (most recent call last):
604
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
605
>>> _match_args('add', ['asdasdsadasd'])
606
{'file_list': ['asdasdsadasd']}
607
>>> _match_args('add', 'abc def gj'.split())
608
{'file_list': ['abc', 'def', 'gj']}
610
# match argument pattern
611
argform = cmd_args.get(cmd, [])
499
# step through args and takes_args, allowing appropriate 0-many matches
500
for ap in takes_args:
613
# TODO: Need a way to express 'cp SRC... DEST', where it matches
501
616
argname = ap[:-1]
502
617
if ap[-1] == '?':
504
argdict[argname] = args.pop(0)
505
elif ap[-1] == '*': # all remaining arguments
507
argdict[argname + '_list'] = args[:]
510
argdict[argname + '_list'] = None
511
621
elif ap[-1] == '+':
513
raise BzrCommandError("command %r needs one or more %s"
623
bailout("command %r needs one or more %s"
514
624
% (cmd, argname.upper()))
516
626
argdict[argname + '_list'] = args[:]
518
elif ap[-1] == '$': # all but one
520
raise BzrCommandError("command %r needs one or more %s"
521
% (cmd, argname.upper()))
522
argdict[argname + '_list'] = args[:-1]
525
629
# just a plain arg
528
raise BzrCommandError("command %r requires argument %s"
632
bailout("command %r requires argument %s"
529
633
% (cmd, argname.upper()))
531
635
argdict[argname] = args.pop(0)
534
raise BzrCommandError("extra argument to command %s: %s"
638
bailout("extra arguments to command %s: %r"
541
def apply_profiled(the_callable, *args, **kwargs):
544
pffileno, pfname = tempfile.mkstemp()
546
prof = hotshot.Profile(pfname)
548
ret = prof.runcall(the_callable, *args, **kwargs) or 0
553
stats = hotshot.stats.load(pfname)
555
stats.sort_stats('time')
556
## XXX: Might like to write to stderr or the trace file instead but
557
## print_stats seems hardcoded to stdout
558
stats.print_stats(20)
566
645
def run_bzr(argv):
567
646
"""Execute a command.
569
648
This is similar to main(), but without all the trappings for
570
logging and error handling.
573
The command-line arguments, without the program name from argv[0]
575
Returns a command status or raises an exception.
577
Special master options: these must come before the command because
578
they control how the command is interpreted.
581
Do not load plugin modules at all
584
Only use builtin commands. (Plugins are still allowed to change
588
Run under the Python profiler.
649
logging and error handling.
591
argv = [a.decode(bzrlib.user_encoding) for a in argv]
593
opt_profile = opt_no_plugins = opt_builtin = False
595
# --no-plugins is handled specially at a very early stage. We need
596
# to load plugins before doing other command parsing so that they
597
# can override commands, but this needs to happen first.
602
elif a == '--no-plugins':
603
opt_no_plugins = True
604
elif a == '--builtin':
610
if (not argv) or (argv[0] == '--help'):
611
from bzrlib.help import help
618
if argv[0] == '--version':
619
from bzrlib.builtins import show_version
623
if not opt_no_plugins:
624
from bzrlib.plugin import load_plugins
627
cmd = str(argv.pop(0))
629
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
632
ret = apply_profiled(cmd_obj.run_argv, argv)
634
ret = cmd_obj.run_argv(argv)
652
args, opts = parse_args(argv)
654
# TODO: pass down other arguments in case they asked for
655
# help on a command name?
658
elif 'version' in opts:
663
log_error('usage: bzr COMMAND\n')
664
log_error(' try "bzr help"\n')
668
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
670
bailout("unknown command " + `cmd`)
672
# TODO: special --profile option to turn on the Python profiler
674
# check options are reasonable
675
allowed = cmd_options.get(cmd, [])
677
if oname not in allowed:
678
bailout("option %r is not allowed for command %r"
681
cmdargs = _match_args(cmd, args)
684
ret = cmd_handler(**cmdargs) or 0
640
bzrlib.trace.log_startup(argv)
641
bzrlib.ui.ui_factory = bzrlib.ui.TextUIFactory()
689
## TODO: Handle command-line options; probably know what options are valid for
692
## TODO: If the arguments are wrong, give a usage message rather
693
## than just a backtrace.
646
return run_bzr(argv[1:])
648
# do this here inside the exception wrappers to catch EPIPE
650
#wrap common errors as CommandErrors.
651
except (NotBranchError,), e:
652
raise BzrCommandError(str(e))
653
except BzrCommandError, e:
654
# command line syntax error, etc
696
t = bzrlib.trace._tracefile
697
t.write('-' * 60 + '\n')
698
t.write('bzr invoked at %s\n' % format_date(time.time()))
699
t.write(' by %s on %s\n' % (bzrlib.osutils.username(), socket.gethostname()))
700
t.write(' arguments: %r\n' % argv)
702
starttime = os.times()[4]
705
t.write(' platform: %s\n' % platform.platform())
706
t.write(' python: %s\n' % platform.python_version())
711
mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum"
713
mutter(" %.3f elapsed" % (times[4] - starttime))
657
716
except BzrError, e:
658
bzrlib.trace.log_exception()
717
log_error('bzr: error: ' + e.args[0] + '\n')
720
log_error(' ' + h + '\n')
660
except AssertionError, e:
661
bzrlib.trace.log_exception('assertion failed: ' + str(e))
663
except KeyboardInterrupt, e:
664
bzrlib.trace.note('interrupted')
666
722
except Exception, e:
668
if (isinstance(e, IOError)
669
and hasattr(e, 'errno')
670
and e.errno == errno.EPIPE):
671
bzrlib.trace.note('broken pipe')
674
bzrlib.trace.log_exception()
723
log_error('bzr: exception: %s\n' % e)
724
log_error(' see .bzr.log for details\n')
725
traceback.print_exc(None, bzrlib.trace._tracefile)
726
traceback.print_exc(None, sys.stderr)
729
# TODO: Maybe nicer handling of IOError?
678
733
if __name__ == '__main__':
679
734
sys.exit(main(sys.argv))
736
##profile.run('main(sys.argv)')