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- Committer: mbp at sourcefrog
- Date: 2005-03-29 08:01:30 UTC
- Revision ID: mbp@sourcefrog.net-20050329080130-89b78af279b196b3
match ignore patterns like ./config.h
- files added:
- .bzrignore
- bzrlib
- doc
- elementtree
- notes
- files removed:
- .bzrignore
- foreign
- notes
- tests
added
removed
bzrlib/commands.py
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# Copyright (C) 2004, 2005 by Martin Pool
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# Copyright (C) 2005 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Bazaar-NG -- a free distributed version-control tool
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**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
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Current limitation include:
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* Metadata format is not stable yet -- you may need to
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discard history in the future.
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* Insufficient error handling.
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* Many commands unimplemented or partially implemented.
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* Space-inefficient storage.
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* No merge operators yet.
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Interesting commands::
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bzr help [COMMAND]
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Show help screen
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bzr version
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Show software version/licence/non-warranty.
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bzr init
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Start versioning the current directory
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bzr add FILE...
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Make files versioned.
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bzr log
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Show revision history.
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bzr diff
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Show changes from last revision to working copy.
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bzr commit -m 'MESSAGE'
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Store current state as new revision.
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bzr export REVNO DESTINATION
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Export the branch state at a previous version.
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bzr status
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Show summary of pending changes.
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bzr remove FILE...
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Make a file not versioned.
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bzr info
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Show statistics about this branch.
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"""
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import sys, os, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib
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from os import path
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from sets import Set
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from pprint import pprint
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from stat import *
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from glob import glob
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import bzrlib
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from bzrlib.store import ImmutableStore
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from bzrlib.trace import mutter, note, log_error
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from bzrlib.errors import bailout, BzrError
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from bzrlib.osutils import quotefn, pumpfile, isdir, isfile
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from bzrlib.tree import RevisionTree, EmptyTree, WorkingTree, Tree
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from bzrlib.revision import Revision
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from bzrlib import Branch, Inventory, InventoryEntry, ScratchBranch, BZRDIR, \
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format_date
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BZR_DIFF_FORMAT = "## Bazaar-NG diff, format 0 ##\n"
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BZR_PATCHNAME_FORMAT = 'cset:sha1:%s'
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## standard representation
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NONE_STRING = '(none)'
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EMPTY = 'empty'
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## TODO: Perhaps a different version of inventory commands that
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## returns iterators...
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## TODO: Perhaps an AtomicFile class that writes to a temporary file and then renames.
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## TODO: Some kind of locking on branches. Perhaps there should be a
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## parameter to the branch object saying whether we want a read or
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## write lock; release it from destructor. Perhaps don't even need a
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## read lock to look at immutable objects?
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## TODO: Perhaps make UUIDs predictable in test mode to make it easier
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## to compare output?
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## TODO: Some kind of global code to generate the right Branch object
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## to work on. Almost, but not quite all, commands need one, and it
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## can be taken either from their parameters or their working
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## directory.
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## TODO: rename command, needed soon: check destination doesn't exist
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## either in working copy or tree; move working copy; update
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## inventory; write out
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## TODO: move command; check destination is a directory and will not
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## clash; move it.
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## TODO: command to show renames, one per line, as to->from
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def cmd_status(all=False):
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"""Display status summary.
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For each file there is a single line giving its file state and name.
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The name is that in the current revision unless it is deleted or
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missing, in which case the old name is shown.
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:todo: Don't show unchanged files unless ``--all`` is given?
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"""
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Branch('.').show_status(show_all=all)
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######################################################################
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# examining history
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def cmd_get_revision(revision_id):
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Branch('.').get_revision(revision_id).write_xml(sys.stdout)
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def cmd_get_file_text(text_id):
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"""Get contents of a file by hash."""
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sf = Branch('.').text_store[text_id]
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pumpfile(sf, sys.stdout)
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######################################################################
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# commands
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def cmd_revno():
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"""Show number of revisions on this branch"""
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print Branch('.').revno()
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def cmd_add(file_list, verbose=False):
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"""Add specified files or directories.
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In non-recursive mode, all the named items are added, regardless
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of whether they were previously ignored. A warning is given if
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any of the named files are already versioned.
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In recursive mode (the default), files are treated the same way
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but the behaviour for directories is different. Directories that
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are already versioned do not give a warning. All directories,
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whether already versioned or not, are searched for files or
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subdirectories that are neither versioned or ignored, and these
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are added. This search proceeds recursively into versioned
170
directories.
171
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Therefore simply saying 'bzr add .' will version all files that
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are currently unknown.
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"""
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bzrlib.add.smart_add(file_list, verbose)
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def cmd_relpath(filename):
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"""Show path of file relative to root"""
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print Branch(filename).relpath(filename)
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def cmd_inventory(revision=None):
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"""Show inventory of the current working copy."""
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## TODO: Also optionally show a previous inventory
186
## TODO: Format options
187
b = Branch('.')
188
if revision == None:
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inv = b.read_working_inventory()
190
else:
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inv = b.get_revision_inventory(b.lookup_revision(revision))
192
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for path, entry in inv.iter_entries():
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print '%-50s %s' % (entry.file_id, path)
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def cmd_info():
199
"""info: Show statistical information for this branch
200
201
usage: bzr info"""
202
import info
203
info.show_info(Branch('.'))
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def cmd_remove(file_list, verbose=False):
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b = Branch(file_list[0])
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b.remove([b.relpath(f) for f in file_list], verbose=verbose)
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212
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def cmd_file_id(filename):
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b = Branch(filename)
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i = b.inventory.path2id(b.relpath(filename))
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if i is None:
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bailout("%s is not a versioned file" % filename)
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else:
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print i
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def cmd_find_filename(fileid):
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n = find_filename(fileid)
224
if n is None:
225
bailout("%s is not a live file id" % fileid)
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else:
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print n
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def cmd_revision_history():
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for patchid in Branch('.').revision_history():
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print patchid
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def cmd_init():
237
# TODO: Check we're not already in a working directory? At the
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# moment you'll get an ugly error.
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# TODO: What if we're in a subdirectory of a branch? Would like
241
# to allow that, but then the parent may need to understand that
242
# the children have disappeared, or should they be versioned in
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# both?
244
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# TODO: Take an argument/option for branch name.
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Branch('.', init=True)
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248
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def cmd_diff(revision=None):
250
"""bzr diff: Show differences in working tree.
251
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usage: bzr diff [-r REV]
253
254
--revision REV
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Show changes since REV, rather than predecessor.
256
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TODO: Given two revision arguments, show the difference between them.
258
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TODO: Allow diff across branches.
260
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TODO: Option to use external diff command; could be GNU diff, wdiff,
262
or a graphical diff.
263
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TODO: Diff selected files.
265
"""
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## TODO: Shouldn't be in the cmd function.
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b = Branch('.')
270
271
if revision == None:
272
old_tree = b.basis_tree()
273
else:
274
old_tree = b.revision_tree(b.lookup_revision(revision))
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new_tree = b.working_tree()
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old_inv = old_tree.inventory
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new_inv = new_tree.inventory
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# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
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old_label = ''
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new_label = ''
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DEVNULL = '/dev/null'
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# Windows users, don't panic about this filename -- it is a
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# special signal to GNU patch that the file should be created or
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# deleted respectively.
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# TODO: Generation of pseudo-diffs for added/deleted files could
290
# be usefully made into a much faster special case.
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292
# TODO: Better to return them in sorted order I think.
293
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
295
d = None
296
297
# Don't show this by default; maybe do it if an option is passed
298
# idlabel = ' {%s}' % fid
299
idlabel = ''
300
301
# FIXME: Something about the diff format makes patch unhappy
302
# with newly-added files.
303
304
def diffit(*a, **kw):
305
sys.stdout.writelines(difflib.unified_diff(*a, **kw))
306
print
307
308
if file_state in ['.', '?', 'I']:
309
continue
310
elif file_state == 'A':
311
print '*** added %s %r' % (kind, new_name)
312
if kind == 'file':
313
diffit([],
314
new_tree.get_file(fid).readlines(),
315
fromfile=DEVNULL,
316
tofile=new_label + new_name + idlabel)
317
elif file_state == 'D':
318
assert isinstance(old_name, types.StringTypes)
319
print '*** deleted %s %r' % (kind, old_name)
320
if kind == 'file':
321
diffit(old_tree.get_file(fid).readlines(), [],
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fromfile=old_label + old_name + idlabel,
323
tofile=DEVNULL)
324
elif file_state in ['M', 'R']:
325
if file_state == 'M':
326
assert kind == 'file'
327
assert old_name == new_name
328
print '*** modified %s %r' % (kind, new_name)
329
elif file_state == 'R':
330
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
331
332
if kind == 'file':
333
diffit(old_tree.get_file(fid).readlines(),
334
new_tree.get_file(fid).readlines(),
335
fromfile=old_label + old_name + idlabel,
336
tofile=new_label + new_name)
337
else:
338
bailout("can't represent state %s {%s}" % (file_state, fid))
339
340
341
342
def cmd_deleted(show_ids=False):
343
"""List files deleted in the working tree.
344
345
TODO: Show files deleted since a previous revision, or between two revisions.
346
"""
347
b = Branch('.')
348
old = b.basis_tree()
349
new = b.working_tree()
350
351
for path, ie in old.inventory.iter_entries():
352
if not new.has_id(ie.file_id):
353
if show_ids:
354
print '%-50s %s' % (path, ie.file_id)
355
else:
356
print path
357
358
359
360
361
def cmd_root(filename=None):
362
"""Print the branch root."""
363
print bzrlib.branch.find_branch_root(filename)
364
365
366
def cmd_log(timezone='original'):
367
"""Show log of this branch.
368
369
:todo: Options for utc; to show ids; to limit range; etc.
370
"""
371
Branch('.').write_log(show_timezone=timezone)
372
373
374
def cmd_ls(revision=None, verbose=False):
375
"""List files in a tree.
376
377
:todo: Take a revision or remote path and list that tree instead.
378
"""
379
b = Branch('.')
380
if revision == None:
381
tree = b.working_tree()
382
else:
383
tree = b.revision_tree(b.lookup_revision(revision))
384
385
for fp, fc, kind, fid in tree.list_files():
386
if verbose:
387
if kind == 'directory':
388
kindch = '/'
389
elif kind == 'file':
390
kindch = ''
391
else:
392
kindch = '???'
393
394
print '%-8s %s%s' % (fc, fp, kindch)
395
else:
396
print fp
397
398
399
400
def cmd_unknowns():
401
"""List unknown files"""
402
for f in Branch('.').unknowns():
403
print quotefn(f)
404
405
406
407
def cmd_ignored(verbose=True):
408
"""List ignored files and the patterns that matched them.
409
"""
410
tree = Branch('.').working_tree()
411
for path, file_class, kind, id in tree.list_files():
412
if file_class != 'I':
413
continue
414
## XXX: Slightly inefficient since this was already calculated
415
pat = tree.is_ignored(path)
416
print '%-50s %s' % (path, pat)
417
418
419
def cmd_lookup_revision(revno):
420
try:
421
revno = int(revno)
422
except ValueError:
423
bailout("usage: lookup-revision REVNO",
424
["REVNO is a non-negative revision number for this branch"])
425
426
print Branch('.').lookup_revision(revno) or NONE_STRING
427
428
429
430
def cmd_export(revno, dest):
431
"""Export past revision to destination directory."""
432
b = Branch('.')
433
rh = b.lookup_revision(int(revno))
434
t = b.revision_tree(rh)
435
t.export(dest)
436
437
438
439
######################################################################
440
# internal/test commands
441
442
443
def cmd_uuid():
444
"""Print a newly-generated UUID."""
445
print bzrlib.osutils.uuid()
446
447
448
449
def cmd_local_time_offset():
450
print bzrlib.osutils.local_time_offset()
451
452
453
454
def cmd_commit(message=None, verbose=False):
455
"""Commit changes to a new revision.
456
457
--message MESSAGE
458
Description of changes in this revision; free form text.
459
It is recommended that the first line be a single-sentence
460
summary.
461
--verbose
462
Show status of changed files,
463
464
TODO: Commit only selected files.
465
466
TODO: Run hooks on tree to-be-committed, and after commit.
467
468
TODO: Strict commit that fails if there are unknown or deleted files.
469
"""
470
471
if not message:
472
bailout("please specify a commit message")
473
Branch('.').commit(message, verbose=verbose)
474
475
476
def cmd_check(dir='.'):
477
"""check: Consistency check of branch history.
478
479
usage: bzr check [-v] [BRANCH]
480
481
options:
482
--verbose, -v Show progress of checking.
483
484
This command checks various invariants about the branch storage to
485
detect data corruption or bzr bugs.
486
"""
487
import bzrlib.check
488
bzrlib.check.check(Branch(dir, find_root=False))
489
490
491
def cmd_is(pred, *rest):
492
"""Test whether PREDICATE is true."""
493
try:
494
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
495
except KeyError:
496
bailout("unknown predicate: %s" % quotefn(pred))
497
498
try:
499
cmd_handler(*rest)
500
except BzrCheckError:
501
# by default we don't print the message so that this can
502
# be used from shell scripts without producing noise
503
sys.exit(1)
504
505
506
def cmd_username():
507
print bzrlib.osutils.username()
508
509
510
def cmd_user_email():
511
print bzrlib.osutils.user_email()
512
513
514
def cmd_gen_revision_id():
515
import time
516
print bzrlib.branch._gen_revision_id(time.time())
517
518
519
def cmd_selftest(verbose=False):
520
"""Run internal test suite"""
521
## -v, if present, is seen by doctest; the argument is just here
522
## so our parser doesn't complain
523
524
## TODO: --verbose option
525
526
failures, tests = 0, 0
527
528
import doctest, bzrlib.store, bzrlib.tests
529
bzrlib.trace.verbose = False
530
531
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
532
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
533
mf, mt = doctest.testmod(m)
534
failures += mf
535
tests += mt
536
print '%-40s %3d tests' % (m.__name__, mt),
537
if mf:
538
print '%3d FAILED!' % mf
539
else:
540
print
541
542
print '%-40s %3d tests' % ('total', tests),
543
if failures:
544
print '%3d FAILED!' % failures
545
else:
546
print
547
548
549
550
# deprecated
551
cmd_doctest = cmd_selftest
552
553
554
######################################################################
555
# help
556
557
558
def cmd_help(topic=None):
559
if topic == None:
560
print __doc__
561
return
562
563
# otherwise, maybe the name of a command?
564
try:
565
cmdfn = globals()['cmd_' + topic.replace('-', '_')]
566
except KeyError:
567
bailout("no help for %r" % topic)
568
569
doc = cmdfn.__doc__
570
if doc == None:
571
bailout("sorry, no detailed help yet for %r" % topic)
572
573
print doc
574
575
576
577
578
def cmd_version():
579
print "bzr (bazaar-ng) %s" % bzrlib.__version__
580
print bzrlib.__copyright__
581
print "http://bazaar-ng.org/"
582
print
583
print \
584
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
585
you may use, modify and redistribute it under the terms of the GNU
586
General Public License version 2 or later."""
587
588
589
def cmd_rocks():
590
"""Statement of optimism."""
591
print "it sure does!"
592
593
594
595
######################################################################
596
# main routine
597
598
599
# list of all available options; the rhs can be either None for an
600
# option that takes no argument, or a constructor function that checks
601
# the type.
602
OPTIONS = {
603
'all': None,
604
'help': None,
605
'message': unicode,
606
'profile': None,
607
'revision': int,
608
'show-ids': None,
609
'timezone': str,
610
'verbose': None,
611
'version': None,
612
}
613
614
SHORT_OPTIONS = {
615
'm': 'message',
616
'r': 'revision',
617
'v': 'verbose',
618
}
619
620
# List of options that apply to particular commands; commands not
621
# listed take none.
622
cmd_options = {
623
'add': ['verbose'],
624
'commit': ['message', 'verbose'],
625
'deleted': ['show-ids'],
626
'diff': ['revision'],
627
'inventory': ['revision'],
628
'log': ['timezone'],
629
'ls': ['revision', 'verbose'],
630
'remove': ['verbose'],
631
'status': ['all'],
632
}
633
634
635
cmd_args = {
636
'add': ['file+'],
637
'commit': [],
638
'diff': [],
639
'export': ['revno', 'dest'],
640
'file-id': ['filename'],
641
'get-file-text': ['text_id'],
642
'get-inventory': ['inventory_id'],
643
'get-revision': ['revision_id'],
644
'get-revision-inventory': ['revision_id'],
645
'help': ['topic?'],
646
'init': [],
647
'log': [],
648
'lookup-revision': ['revno'],
649
'relpath': ['filename'],
650
'remove': ['file+'],
651
'root': ['filename?'],
652
'status': [],
653
}
654
655
656
def parse_args(argv):
657
"""Parse command line.
658
659
Arguments and options are parsed at this level before being passed
660
down to specific command handlers. This routine knows, from a
661
lookup table, something about the available options, what optargs
662
they take, and which commands will accept them.
663
664
>>> parse_args('--help'.split())
665
([], {'help': True})
666
>>> parse_args('--version'.split())
667
([], {'version': True})
668
>>> parse_args('status --all'.split())
669
(['status'], {'all': True})
670
>>> parse_args('commit --message=biter'.split())
671
(['commit'], {'message': u'biter'})
672
"""
673
args = []
674
opts = {}
675
676
# TODO: Maybe handle '--' to end options?
677
678
while argv:
679
a = argv.pop(0)
680
if a[0] == '-':
681
optarg = None
682
if a[1] == '-':
683
mutter(" got option %r" % a)
684
if '=' in a:
685
optname, optarg = a[2:].split('=', 1)
686
else:
687
optname = a[2:]
688
if optname not in OPTIONS:
689
bailout('unknown long option %r' % a)
690
else:
691
shortopt = a[1:]
692
if shortopt not in SHORT_OPTIONS:
693
bailout('unknown short option %r' % a)
694
optname = SHORT_OPTIONS[shortopt]
695
696
if optname in opts:
697
# XXX: Do we ever want to support this, e.g. for -r?
698
bailout('repeated option %r' % a)
699
700
optargfn = OPTIONS[optname]
701
if optargfn:
702
if optarg == None:
703
if not argv:
704
bailout('option %r needs an argument' % a)
705
else:
706
optarg = argv.pop(0)
707
opts[optname] = optargfn(optarg)
708
else:
709
if optarg != None:
710
bailout('option %r takes no argument' % optname)
711
opts[optname] = True
712
else:
713
args.append(a)
714
715
return args, opts
716
717
718
719
def _match_args(cmd, args):
720
"""Check non-option arguments match required pattern.
721
722
>>> _match_args('status', ['asdasdsadasd'])
723
Traceback (most recent call last):
724
...
725
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
726
>>> _match_args('add', ['asdasdsadasd'])
727
{'file_list': ['asdasdsadasd']}
728
>>> _match_args('add', 'abc def gj'.split())
729
{'file_list': ['abc', 'def', 'gj']}
730
"""
731
# match argument pattern
732
argform = cmd_args.get(cmd, [])
733
argdict = {}
734
# TODO: Need a way to express 'cp SRC... DEST', where it matches
735
# all but one.
736
737
# step through args and argform, allowing appropriate 0-many matches
738
for ap in argform:
739
argname = ap[:-1]
740
if ap[-1] == '?':
741
if args:
742
argdict[argname] = args.pop(0)
743
elif ap[-1] == '*':
744
assert 0
745
elif ap[-1] == '+':
746
if not args:
747
bailout("command %r needs one or more %s"
748
% (cmd, argname.upper()))
749
else:
750
argdict[argname + '_list'] = args[:]
751
args = []
752
else:
753
# just a plain arg
754
argname = ap
755
if not args:
756
bailout("command %r requires argument %s"
757
% (cmd, argname.upper()))
758
else:
759
argdict[argname] = args.pop(0)
760
761
if args:
762
bailout("extra arguments to command %s: %r"
763
% (cmd, args))
764
765
return argdict
766
767
768
769
def run_bzr(argv):
770
"""Execute a command.
771
772
This is similar to main(), but without all the trappings for
773
logging and error handling.
774
"""
775
try:
776
args, opts = parse_args(argv[1:])
777
if 'help' in opts:
778
# TODO: pass down other arguments in case they asked for
779
# help on a command name?
780
cmd_help()
781
return 0
782
elif 'version' in opts:
783
cmd_version()
784
return 0
785
cmd = args.pop(0)
786
except IndexError:
787
log_error('usage: bzr COMMAND\n')
788
log_error(' try "bzr help"\n')
789
return 1
790
791
try:
792
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
793
except KeyError:
794
bailout("unknown command " + `cmd`)
795
796
# global option
797
if 'profile' in opts:
798
profile = True
799
del opts['profile']
800
else:
801
profile = False
802
803
# check options are reasonable
804
allowed = cmd_options.get(cmd, [])
805
for oname in opts:
806
if oname not in allowed:
807
bailout("option %r is not allowed for command %r"
808
% (oname, cmd))
809
810
# mix arguments and options into one dictionary
811
cmdargs = _match_args(cmd, args)
812
for k, v in opts.items():
813
cmdargs[k.replace('-', '_')] = v
814
815
if profile:
816
import hotshot
817
prof = hotshot.Profile('.bzr.profile')
818
ret = prof.runcall(cmd_handler, **cmdargs) or 0
819
prof.close()
820
821
import hotshot.stats
822
stats = hotshot.stats.load('.bzr.profile')
823
#stats.strip_dirs()
824
stats.sort_stats('cumulative', 'calls')
825
stats.print_stats(20)
826
else:
827
return cmd_handler(**cmdargs) or 0
828
829
830
831
def main(argv):
832
## TODO: Handle command-line options; probably know what options are valid for
833
## each command
834
835
## TODO: If the arguments are wrong, give a usage message rather
836
## than just a backtrace.
837
838
bzrlib.trace.create_tracefile(argv)
839
840
try:
841
ret = run_bzr(argv)
842
return ret
843
except BzrError, e:
844
log_error('bzr: error: ' + e.args[0] + '\n')
845
if len(e.args) > 1:
846
for h in e.args[1]:
847
log_error(' ' + h + '\n')
848
return 1
849
except Exception, e:
850
log_error('bzr: exception: %s\n' % e)
851
log_error(' see .bzr.log for details\n')
852
traceback.print_exc(None, bzrlib.trace._tracefile)
853
traceback.print_exc(None, sys.stderr)
854
return 1
855
856
# TODO: Maybe nicer handling of IOError?
857
858
859
860
if __name__ == '__main__':
861
sys.exit(main(sys.argv))
862
##import profile
863
##profile.run('main(sys.argv)')
864
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0