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- Committer: mbp at sourcefrog
- Date: 2005-03-30 22:27:17 UTC
- Revision ID: mbp@sourcefrog.net-20050330222717-027b5837127b938d
experiment with new nested inventory file format
not used by default yet
not used by default yet
- files added:
- .bzrignore
- bzrlib
- doc
- elementtree
- notes
- files removed:
- .bzrignore
- 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
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directories.
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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
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## TODO: Format options
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b = Branch('.')
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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))
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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():
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"""info: Show statistical information for this branch
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usage: bzr info"""
202
import info
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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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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)
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if n is None:
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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():
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# 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
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# 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?
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# TODO: Take an argument/option for branch name.
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Branch('.', init=True)
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def cmd_diff(revision=None):
250
"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV]
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--revision REV
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Show changes since REV, rather than predecessor.
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TODO: Given two revision arguments, show the difference between them.
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TODO: Allow diff across branches.
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TODO: Option to use external diff command; could be GNU diff, wdiff,
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or a graphical diff.
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TODO: Diff selected files.
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"""
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## TODO: Shouldn't be in the cmd function.
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b = Branch('.')
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if revision == None:
272
old_tree = b.basis_tree()
273
else:
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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
287
# deleted respectively.
288
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# TODO: Generation of pseudo-diffs for added/deleted files could
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# be usefully made into a much faster special case.
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# 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
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# Don't show this by default; maybe do it if an option is passed
298
# idlabel = ' {%s}' % fid
299
idlabel = ''
300
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# 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
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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,
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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,
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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
## TODO: Much more efficient way to do this: read in new
352
## directories with readdir, rather than stating each one. Same
353
## level of effort but possibly much less IO. (Or possibly not,
354
## if the directories are very large...)
355
356
for path, ie in old.inventory.iter_entries():
357
if not new.has_id(ie.file_id):
358
if show_ids:
359
print '%-50s %s' % (path, ie.file_id)
360
else:
361
print path
362
363
364
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def cmd_parse_inventory():
366
import cElementTree
367
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cElementTree.ElementTree().parse(file('.bzr/inventory'))
369
370
371
372
def cmd_load_inventory():
373
inv = Branch('.').basis_tree().inventory
374
375
376
377
def cmd_dump_new_inventory():
378
import bzrlib.newinventory
379
inv = Branch('.').basis_tree().inventory
380
bzrlib.newinventory.write_inventory(inv, sys.stdout)
381
382
383
def cmd_dump_slacker_inventory():
384
import bzrlib.newinventory
385
inv = Branch('.').basis_tree().inventory
386
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
387
388
389
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def cmd_root(filename=None):
391
"""Print the branch root."""
392
print bzrlib.branch.find_branch_root(filename)
393
394
395
def cmd_log(timezone='original'):
396
"""Show log of this branch.
397
398
:todo: Options for utc; to show ids; to limit range; etc.
399
"""
400
Branch('.').write_log(show_timezone=timezone)
401
402
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def cmd_ls(revision=None, verbose=False):
404
"""List files in a tree.
405
406
:todo: Take a revision or remote path and list that tree instead.
407
"""
408
b = Branch('.')
409
if revision == None:
410
tree = b.working_tree()
411
else:
412
tree = b.revision_tree(b.lookup_revision(revision))
413
414
for fp, fc, kind, fid in tree.list_files():
415
if verbose:
416
if kind == 'directory':
417
kindch = '/'
418
elif kind == 'file':
419
kindch = ''
420
else:
421
kindch = '???'
422
423
print '%-8s %s%s' % (fc, fp, kindch)
424
else:
425
print fp
426
427
428
429
def cmd_unknowns():
430
"""List unknown files"""
431
for f in Branch('.').unknowns():
432
print quotefn(f)
433
434
435
436
def cmd_ignored(verbose=True):
437
"""List ignored files and the patterns that matched them.
438
"""
439
tree = Branch('.').working_tree()
440
for path, file_class, kind, id in tree.list_files():
441
if file_class != 'I':
442
continue
443
## XXX: Slightly inefficient since this was already calculated
444
pat = tree.is_ignored(path)
445
print '%-50s %s' % (path, pat)
446
447
448
def cmd_lookup_revision(revno):
449
try:
450
revno = int(revno)
451
except ValueError:
452
bailout("usage: lookup-revision REVNO",
453
["REVNO is a non-negative revision number for this branch"])
454
455
print Branch('.').lookup_revision(revno) or NONE_STRING
456
457
458
459
def cmd_export(revno, dest):
460
"""Export past revision to destination directory."""
461
b = Branch('.')
462
rh = b.lookup_revision(int(revno))
463
t = b.revision_tree(rh)
464
t.export(dest)
465
466
467
468
######################################################################
469
# internal/test commands
470
471
472
def cmd_uuid():
473
"""Print a newly-generated UUID."""
474
print bzrlib.osutils.uuid()
475
476
477
478
def cmd_local_time_offset():
479
print bzrlib.osutils.local_time_offset()
480
481
482
483
def cmd_commit(message=None, verbose=False):
484
"""Commit changes to a new revision.
485
486
--message MESSAGE
487
Description of changes in this revision; free form text.
488
It is recommended that the first line be a single-sentence
489
summary.
490
--verbose
491
Show status of changed files,
492
493
TODO: Commit only selected files.
494
495
TODO: Run hooks on tree to-be-committed, and after commit.
496
497
TODO: Strict commit that fails if there are unknown or deleted files.
498
"""
499
500
if not message:
501
bailout("please specify a commit message")
502
Branch('.').commit(message, verbose=verbose)
503
504
505
def cmd_check(dir='.'):
506
"""check: Consistency check of branch history.
507
508
usage: bzr check [-v] [BRANCH]
509
510
options:
511
--verbose, -v Show progress of checking.
512
513
This command checks various invariants about the branch storage to
514
detect data corruption or bzr bugs.
515
"""
516
import bzrlib.check
517
bzrlib.check.check(Branch(dir, find_root=False))
518
519
520
def cmd_is(pred, *rest):
521
"""Test whether PREDICATE is true."""
522
try:
523
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
524
except KeyError:
525
bailout("unknown predicate: %s" % quotefn(pred))
526
527
try:
528
cmd_handler(*rest)
529
except BzrCheckError:
530
# by default we don't print the message so that this can
531
# be used from shell scripts without producing noise
532
sys.exit(1)
533
534
535
def cmd_username():
536
print bzrlib.osutils.username()
537
538
539
def cmd_user_email():
540
print bzrlib.osutils.user_email()
541
542
543
def cmd_gen_revision_id():
544
import time
545
print bzrlib.branch._gen_revision_id(time.time())
546
547
548
def cmd_selftest(verbose=False):
549
"""Run internal test suite"""
550
## -v, if present, is seen by doctest; the argument is just here
551
## so our parser doesn't complain
552
553
## TODO: --verbose option
554
555
failures, tests = 0, 0
556
557
import doctest, bzrlib.store, bzrlib.tests
558
bzrlib.trace.verbose = False
559
560
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
561
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
562
mf, mt = doctest.testmod(m)
563
failures += mf
564
tests += mt
565
print '%-40s %3d tests' % (m.__name__, mt),
566
if mf:
567
print '%3d FAILED!' % mf
568
else:
569
print
570
571
print '%-40s %3d tests' % ('total', tests),
572
if failures:
573
print '%3d FAILED!' % failures
574
else:
575
print
576
577
578
579
# deprecated
580
cmd_doctest = cmd_selftest
581
582
583
######################################################################
584
# help
585
586
587
def cmd_help(topic=None):
588
if topic == None:
589
print __doc__
590
return
591
592
# otherwise, maybe the name of a command?
593
try:
594
cmdfn = globals()['cmd_' + topic.replace('-', '_')]
595
except KeyError:
596
bailout("no help for %r" % topic)
597
598
doc = cmdfn.__doc__
599
if doc == None:
600
bailout("sorry, no detailed help yet for %r" % topic)
601
602
print doc
603
604
605
606
607
def cmd_version():
608
print "bzr (bazaar-ng) %s" % bzrlib.__version__
609
print bzrlib.__copyright__
610
print "http://bazaar-ng.org/"
611
print
612
print \
613
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
614
you may use, modify and redistribute it under the terms of the GNU
615
General Public License version 2 or later."""
616
617
618
def cmd_rocks():
619
"""Statement of optimism."""
620
print "it sure does!"
621
622
623
624
######################################################################
625
# main routine
626
627
628
# list of all available options; the rhs can be either None for an
629
# option that takes no argument, or a constructor function that checks
630
# the type.
631
OPTIONS = {
632
'all': None,
633
'help': None,
634
'message': unicode,
635
'profile': None,
636
'revision': int,
637
'show-ids': None,
638
'timezone': str,
639
'verbose': None,
640
'version': None,
641
}
642
643
SHORT_OPTIONS = {
644
'm': 'message',
645
'r': 'revision',
646
'v': 'verbose',
647
}
648
649
# List of options that apply to particular commands; commands not
650
# listed take none.
651
cmd_options = {
652
'add': ['verbose'],
653
'commit': ['message', 'verbose'],
654
'deleted': ['show-ids'],
655
'diff': ['revision'],
656
'inventory': ['revision'],
657
'log': ['timezone'],
658
'ls': ['revision', 'verbose'],
659
'remove': ['verbose'],
660
'status': ['all'],
661
}
662
663
664
cmd_args = {
665
'add': ['file+'],
666
'commit': [],
667
'diff': [],
668
'export': ['revno', 'dest'],
669
'file-id': ['filename'],
670
'get-file-text': ['text_id'],
671
'get-inventory': ['inventory_id'],
672
'get-revision': ['revision_id'],
673
'get-revision-inventory': ['revision_id'],
674
'help': ['topic?'],
675
'init': [],
676
'log': [],
677
'lookup-revision': ['revno'],
678
'relpath': ['filename'],
679
'remove': ['file+'],
680
'root': ['filename?'],
681
'status': [],
682
}
683
684
685
def parse_args(argv):
686
"""Parse command line.
687
688
Arguments and options are parsed at this level before being passed
689
down to specific command handlers. This routine knows, from a
690
lookup table, something about the available options, what optargs
691
they take, and which commands will accept them.
692
693
>>> parse_args('--help'.split())
694
([], {'help': True})
695
>>> parse_args('--version'.split())
696
([], {'version': True})
697
>>> parse_args('status --all'.split())
698
(['status'], {'all': True})
699
>>> parse_args('commit --message=biter'.split())
700
(['commit'], {'message': u'biter'})
701
"""
702
args = []
703
opts = {}
704
705
# TODO: Maybe handle '--' to end options?
706
707
while argv:
708
a = argv.pop(0)
709
if a[0] == '-':
710
optarg = None
711
if a[1] == '-':
712
mutter(" got option %r" % a)
713
if '=' in a:
714
optname, optarg = a[2:].split('=', 1)
715
else:
716
optname = a[2:]
717
if optname not in OPTIONS:
718
bailout('unknown long option %r' % a)
719
else:
720
shortopt = a[1:]
721
if shortopt not in SHORT_OPTIONS:
722
bailout('unknown short option %r' % a)
723
optname = SHORT_OPTIONS[shortopt]
724
725
if optname in opts:
726
# XXX: Do we ever want to support this, e.g. for -r?
727
bailout('repeated option %r' % a)
728
729
optargfn = OPTIONS[optname]
730
if optargfn:
731
if optarg == None:
732
if not argv:
733
bailout('option %r needs an argument' % a)
734
else:
735
optarg = argv.pop(0)
736
opts[optname] = optargfn(optarg)
737
else:
738
if optarg != None:
739
bailout('option %r takes no argument' % optname)
740
opts[optname] = True
741
else:
742
args.append(a)
743
744
return args, opts
745
746
747
748
def _match_args(cmd, args):
749
"""Check non-option arguments match required pattern.
750
751
>>> _match_args('status', ['asdasdsadasd'])
752
Traceback (most recent call last):
753
...
754
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
755
>>> _match_args('add', ['asdasdsadasd'])
756
{'file_list': ['asdasdsadasd']}
757
>>> _match_args('add', 'abc def gj'.split())
758
{'file_list': ['abc', 'def', 'gj']}
759
"""
760
# match argument pattern
761
argform = cmd_args.get(cmd, [])
762
argdict = {}
763
# TODO: Need a way to express 'cp SRC... DEST', where it matches
764
# all but one.
765
766
# step through args and argform, allowing appropriate 0-many matches
767
for ap in argform:
768
argname = ap[:-1]
769
if ap[-1] == '?':
770
if args:
771
argdict[argname] = args.pop(0)
772
elif ap[-1] == '*':
773
assert 0
774
elif ap[-1] == '+':
775
if not args:
776
bailout("command %r needs one or more %s"
777
% (cmd, argname.upper()))
778
else:
779
argdict[argname + '_list'] = args[:]
780
args = []
781
else:
782
# just a plain arg
783
argname = ap
784
if not args:
785
bailout("command %r requires argument %s"
786
% (cmd, argname.upper()))
787
else:
788
argdict[argname] = args.pop(0)
789
790
if args:
791
bailout("extra arguments to command %s: %r"
792
% (cmd, args))
793
794
return argdict
795
796
797
798
def run_bzr(argv):
799
"""Execute a command.
800
801
This is similar to main(), but without all the trappings for
802
logging and error handling.
803
"""
804
try:
805
args, opts = parse_args(argv[1:])
806
if 'help' in opts:
807
# TODO: pass down other arguments in case they asked for
808
# help on a command name?
809
cmd_help()
810
return 0
811
elif 'version' in opts:
812
cmd_version()
813
return 0
814
cmd = args.pop(0)
815
except IndexError:
816
log_error('usage: bzr COMMAND\n')
817
log_error(' try "bzr help"\n')
818
return 1
819
820
try:
821
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
822
except KeyError:
823
bailout("unknown command " + `cmd`)
824
825
# global option
826
if 'profile' in opts:
827
profile = True
828
del opts['profile']
829
else:
830
profile = False
831
832
# check options are reasonable
833
allowed = cmd_options.get(cmd, [])
834
for oname in opts:
835
if oname not in allowed:
836
bailout("option %r is not allowed for command %r"
837
% (oname, cmd))
838
839
# mix arguments and options into one dictionary
840
cmdargs = _match_args(cmd, args)
841
for k, v in opts.items():
842
cmdargs[k.replace('-', '_')] = v
843
844
if profile:
845
import hotshot
846
prof = hotshot.Profile('.bzr.profile')
847
ret = prof.runcall(cmd_handler, **cmdargs) or 0
848
prof.close()
849
850
import hotshot.stats
851
stats = hotshot.stats.load('.bzr.profile')
852
#stats.strip_dirs()
853
stats.sort_stats('time')
854
stats.print_stats(20)
855
else:
856
return cmd_handler(**cmdargs) or 0
857
858
859
860
def main(argv):
861
## TODO: Handle command-line options; probably know what options are valid for
862
## each command
863
864
## TODO: If the arguments are wrong, give a usage message rather
865
## than just a backtrace.
866
867
bzrlib.trace.create_tracefile(argv)
868
869
try:
870
ret = run_bzr(argv)
871
return ret
872
except BzrError, e:
873
log_error('bzr: error: ' + e.args[0] + '\n')
874
if len(e.args) > 1:
875
for h in e.args[1]:
876
log_error(' ' + h + '\n')
877
return 1
878
except Exception, e:
879
log_error('bzr: exception: %s\n' % e)
880
log_error(' see .bzr.log for details\n')
881
traceback.print_exc(None, bzrlib.trace._tracefile)
882
traceback.print_exc(None, sys.stderr)
883
return 1
884
885
# TODO: Maybe nicer handling of IOError?
886
887
888
889
if __name__ == '__main__':
890
sys.exit(main(sys.argv))
891
##import profile
892
##profile.run('main(sys.argv)')
893
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0