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- Committer: mbp at sourcefrog
- Date: 2005-03-31 05:02:20 UTC
- Revision ID: mbp@sourcefrog.net-20050331050220-0bd040ac11108caa
new "directories" command
- 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
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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()
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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"""
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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_directories():
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for name, ie in Branch('.').read_working_inventory().directories():
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if name == '':
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print '.'
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else:
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print name
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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
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# 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):
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"""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:
279
old_tree = b.basis_tree()
280
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
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# deleted respectively.
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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.
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
302
d = None
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# Don't show this by default; maybe do it if an option is passed
305
# idlabel = ' {%s}' % fid
306
idlabel = ''
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# FIXME: Something about the diff format makes patch unhappy
309
# with newly-added files.
310
311
def diffit(*a, **kw):
312
sys.stdout.writelines(difflib.unified_diff(*a, **kw))
313
print
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if file_state in ['.', '?', 'I']:
316
continue
317
elif file_state == 'A':
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print '*** added %s %r' % (kind, new_name)
319
if kind == 'file':
320
diffit([],
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new_tree.get_file(fid).readlines(),
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fromfile=DEVNULL,
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tofile=new_label + new_name + idlabel)
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elif file_state == 'D':
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assert isinstance(old_name, types.StringTypes)
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print '*** deleted %s %r' % (kind, old_name)
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if kind == 'file':
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diffit(old_tree.get_file(fid).readlines(), [],
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fromfile=old_label + old_name + idlabel,
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tofile=DEVNULL)
331
elif file_state in ['M', 'R']:
332
if file_state == 'M':
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assert kind == 'file'
334
assert old_name == new_name
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print '*** modified %s %r' % (kind, new_name)
336
elif file_state == 'R':
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print '*** renamed %s %r => %r' % (kind, old_name, new_name)
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if kind == 'file':
340
diffit(old_tree.get_file(fid).readlines(),
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new_tree.get_file(fid).readlines(),
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fromfile=old_label + old_name + idlabel,
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tofile=new_label + new_name)
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else:
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bailout("can't represent state %s {%s}" % (file_state, fid))
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def cmd_deleted(show_ids=False):
350
"""List files deleted in the working tree.
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352
TODO: Show files deleted since a previous revision, or between two revisions.
353
"""
354
b = Branch('.')
355
old = b.basis_tree()
356
new = b.working_tree()
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358
## TODO: Much more efficient way to do this: read in new
359
## directories with readdir, rather than stating each one. Same
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## level of effort but possibly much less IO. (Or possibly not,
361
## if the directories are very large...)
362
363
for path, ie in old.inventory.iter_entries():
364
if not new.has_id(ie.file_id):
365
if show_ids:
366
print '%-50s %s' % (path, ie.file_id)
367
else:
368
print path
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371
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def cmd_parse_inventory():
373
import cElementTree
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375
cElementTree.ElementTree().parse(file('.bzr/inventory'))
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def cmd_load_inventory():
380
inv = Branch('.').basis_tree().inventory
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382
383
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def cmd_dump_new_inventory():
385
import bzrlib.newinventory
386
inv = Branch('.').basis_tree().inventory
387
bzrlib.newinventory.write_inventory(inv, sys.stdout)
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389
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def cmd_load_new_inventory():
391
import bzrlib.newinventory
392
bzrlib.newinventory.read_new_inventory(sys.stdin)
393
394
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def cmd_dump_slacker_inventory():
396
import bzrlib.newinventory
397
inv = Branch('.').basis_tree().inventory
398
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
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400
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def cmd_root(filename=None):
403
"""Print the branch root."""
404
print bzrlib.branch.find_branch_root(filename)
405
406
407
def cmd_log(timezone='original'):
408
"""Show log of this branch.
409
410
:todo: Options for utc; to show ids; to limit range; etc.
411
"""
412
Branch('.').write_log(show_timezone=timezone)
413
414
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def cmd_ls(revision=None, verbose=False):
416
"""List files in a tree.
417
418
:todo: Take a revision or remote path and list that tree instead.
419
"""
420
b = Branch('.')
421
if revision == None:
422
tree = b.working_tree()
423
else:
424
tree = b.revision_tree(b.lookup_revision(revision))
425
426
for fp, fc, kind, fid in tree.list_files():
427
if verbose:
428
if kind == 'directory':
429
kindch = '/'
430
elif kind == 'file':
431
kindch = ''
432
else:
433
kindch = '???'
434
435
print '%-8s %s%s' % (fc, fp, kindch)
436
else:
437
print fp
438
439
440
441
def cmd_unknowns():
442
"""List unknown files"""
443
for f in Branch('.').unknowns():
444
print quotefn(f)
445
446
447
448
def cmd_ignored(verbose=True):
449
"""List ignored files and the patterns that matched them.
450
"""
451
tree = Branch('.').working_tree()
452
for path, file_class, kind, id in tree.list_files():
453
if file_class != 'I':
454
continue
455
## XXX: Slightly inefficient since this was already calculated
456
pat = tree.is_ignored(path)
457
print '%-50s %s' % (path, pat)
458
459
460
def cmd_lookup_revision(revno):
461
try:
462
revno = int(revno)
463
except ValueError:
464
bailout("usage: lookup-revision REVNO",
465
["REVNO is a non-negative revision number for this branch"])
466
467
print Branch('.').lookup_revision(revno) or NONE_STRING
468
469
470
471
def cmd_export(revno, dest):
472
"""Export past revision to destination directory."""
473
b = Branch('.')
474
rh = b.lookup_revision(int(revno))
475
t = b.revision_tree(rh)
476
t.export(dest)
477
478
479
480
######################################################################
481
# internal/test commands
482
483
484
def cmd_uuid():
485
"""Print a newly-generated UUID."""
486
print bzrlib.osutils.uuid()
487
488
489
490
def cmd_local_time_offset():
491
print bzrlib.osutils.local_time_offset()
492
493
494
495
def cmd_commit(message=None, verbose=False):
496
"""Commit changes to a new revision.
497
498
--message MESSAGE
499
Description of changes in this revision; free form text.
500
It is recommended that the first line be a single-sentence
501
summary.
502
--verbose
503
Show status of changed files,
504
505
TODO: Commit only selected files.
506
507
TODO: Run hooks on tree to-be-committed, and after commit.
508
509
TODO: Strict commit that fails if there are unknown or deleted files.
510
"""
511
512
if not message:
513
bailout("please specify a commit message")
514
Branch('.').commit(message, verbose=verbose)
515
516
517
def cmd_check(dir='.'):
518
"""check: Consistency check of branch history.
519
520
usage: bzr check [-v] [BRANCH]
521
522
options:
523
--verbose, -v Show progress of checking.
524
525
This command checks various invariants about the branch storage to
526
detect data corruption or bzr bugs.
527
"""
528
import bzrlib.check
529
bzrlib.check.check(Branch(dir, find_root=False))
530
531
532
def cmd_is(pred, *rest):
533
"""Test whether PREDICATE is true."""
534
try:
535
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
536
except KeyError:
537
bailout("unknown predicate: %s" % quotefn(pred))
538
539
try:
540
cmd_handler(*rest)
541
except BzrCheckError:
542
# by default we don't print the message so that this can
543
# be used from shell scripts without producing noise
544
sys.exit(1)
545
546
547
def cmd_username():
548
print bzrlib.osutils.username()
549
550
551
def cmd_user_email():
552
print bzrlib.osutils.user_email()
553
554
555
def cmd_gen_revision_id():
556
import time
557
print bzrlib.branch._gen_revision_id(time.time())
558
559
560
def cmd_selftest(verbose=False):
561
"""Run internal test suite"""
562
## -v, if present, is seen by doctest; the argument is just here
563
## so our parser doesn't complain
564
565
## TODO: --verbose option
566
567
failures, tests = 0, 0
568
569
import doctest, bzrlib.store, bzrlib.tests
570
bzrlib.trace.verbose = False
571
572
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
573
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
574
mf, mt = doctest.testmod(m)
575
failures += mf
576
tests += mt
577
print '%-40s %3d tests' % (m.__name__, mt),
578
if mf:
579
print '%3d FAILED!' % mf
580
else:
581
print
582
583
print '%-40s %3d tests' % ('total', tests),
584
if failures:
585
print '%3d FAILED!' % failures
586
else:
587
print
588
589
590
591
# deprecated
592
cmd_doctest = cmd_selftest
593
594
595
######################################################################
596
# help
597
598
599
def cmd_help(topic=None):
600
if topic == None:
601
print __doc__
602
return
603
604
# otherwise, maybe the name of a command?
605
try:
606
cmdfn = globals()['cmd_' + topic.replace('-', '_')]
607
except KeyError:
608
bailout("no help for %r" % topic)
609
610
doc = cmdfn.__doc__
611
if doc == None:
612
bailout("sorry, no detailed help yet for %r" % topic)
613
614
print doc
615
616
617
618
619
def cmd_version():
620
print "bzr (bazaar-ng) %s" % bzrlib.__version__
621
print bzrlib.__copyright__
622
print "http://bazaar-ng.org/"
623
print
624
print \
625
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
626
you may use, modify and redistribute it under the terms of the GNU
627
General Public License version 2 or later."""
628
629
630
def cmd_rocks():
631
"""Statement of optimism."""
632
print "it sure does!"
633
634
635
636
######################################################################
637
# main routine
638
639
640
# list of all available options; the rhs can be either None for an
641
# option that takes no argument, or a constructor function that checks
642
# the type.
643
OPTIONS = {
644
'all': None,
645
'help': None,
646
'message': unicode,
647
'profile': None,
648
'revision': int,
649
'show-ids': None,
650
'timezone': str,
651
'verbose': None,
652
'version': None,
653
}
654
655
SHORT_OPTIONS = {
656
'm': 'message',
657
'r': 'revision',
658
'v': 'verbose',
659
}
660
661
# List of options that apply to particular commands; commands not
662
# listed take none.
663
cmd_options = {
664
'add': ['verbose'],
665
'commit': ['message', 'verbose'],
666
'deleted': ['show-ids'],
667
'diff': ['revision'],
668
'inventory': ['revision'],
669
'log': ['timezone'],
670
'ls': ['revision', 'verbose'],
671
'remove': ['verbose'],
672
'status': ['all'],
673
}
674
675
676
cmd_args = {
677
'add': ['file+'],
678
'commit': [],
679
'diff': [],
680
'export': ['revno', 'dest'],
681
'file-id': ['filename'],
682
'get-file-text': ['text_id'],
683
'get-inventory': ['inventory_id'],
684
'get-revision': ['revision_id'],
685
'get-revision-inventory': ['revision_id'],
686
'help': ['topic?'],
687
'init': [],
688
'log': [],
689
'lookup-revision': ['revno'],
690
'relpath': ['filename'],
691
'remove': ['file+'],
692
'root': ['filename?'],
693
'status': [],
694
}
695
696
697
def parse_args(argv):
698
"""Parse command line.
699
700
Arguments and options are parsed at this level before being passed
701
down to specific command handlers. This routine knows, from a
702
lookup table, something about the available options, what optargs
703
they take, and which commands will accept them.
704
705
>>> parse_args('--help'.split())
706
([], {'help': True})
707
>>> parse_args('--version'.split())
708
([], {'version': True})
709
>>> parse_args('status --all'.split())
710
(['status'], {'all': True})
711
>>> parse_args('commit --message=biter'.split())
712
(['commit'], {'message': u'biter'})
713
"""
714
args = []
715
opts = {}
716
717
# TODO: Maybe handle '--' to end options?
718
719
while argv:
720
a = argv.pop(0)
721
if a[0] == '-':
722
optarg = None
723
if a[1] == '-':
724
mutter(" got option %r" % a)
725
if '=' in a:
726
optname, optarg = a[2:].split('=', 1)
727
else:
728
optname = a[2:]
729
if optname not in OPTIONS:
730
bailout('unknown long option %r' % a)
731
else:
732
shortopt = a[1:]
733
if shortopt not in SHORT_OPTIONS:
734
bailout('unknown short option %r' % a)
735
optname = SHORT_OPTIONS[shortopt]
736
737
if optname in opts:
738
# XXX: Do we ever want to support this, e.g. for -r?
739
bailout('repeated option %r' % a)
740
741
optargfn = OPTIONS[optname]
742
if optargfn:
743
if optarg == None:
744
if not argv:
745
bailout('option %r needs an argument' % a)
746
else:
747
optarg = argv.pop(0)
748
opts[optname] = optargfn(optarg)
749
else:
750
if optarg != None:
751
bailout('option %r takes no argument' % optname)
752
opts[optname] = True
753
else:
754
args.append(a)
755
756
return args, opts
757
758
759
760
def _match_args(cmd, args):
761
"""Check non-option arguments match required pattern.
762
763
>>> _match_args('status', ['asdasdsadasd'])
764
Traceback (most recent call last):
765
...
766
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
767
>>> _match_args('add', ['asdasdsadasd'])
768
{'file_list': ['asdasdsadasd']}
769
>>> _match_args('add', 'abc def gj'.split())
770
{'file_list': ['abc', 'def', 'gj']}
771
"""
772
# match argument pattern
773
argform = cmd_args.get(cmd, [])
774
argdict = {}
775
# TODO: Need a way to express 'cp SRC... DEST', where it matches
776
# all but one.
777
778
# step through args and argform, allowing appropriate 0-many matches
779
for ap in argform:
780
argname = ap[:-1]
781
if ap[-1] == '?':
782
if args:
783
argdict[argname] = args.pop(0)
784
elif ap[-1] == '*':
785
assert 0
786
elif ap[-1] == '+':
787
if not args:
788
bailout("command %r needs one or more %s"
789
% (cmd, argname.upper()))
790
else:
791
argdict[argname + '_list'] = args[:]
792
args = []
793
else:
794
# just a plain arg
795
argname = ap
796
if not args:
797
bailout("command %r requires argument %s"
798
% (cmd, argname.upper()))
799
else:
800
argdict[argname] = args.pop(0)
801
802
if args:
803
bailout("extra arguments to command %s: %r"
804
% (cmd, args))
805
806
return argdict
807
808
809
810
def run_bzr(argv):
811
"""Execute a command.
812
813
This is similar to main(), but without all the trappings for
814
logging and error handling.
815
"""
816
try:
817
args, opts = parse_args(argv[1:])
818
if 'help' in opts:
819
# TODO: pass down other arguments in case they asked for
820
# help on a command name?
821
cmd_help()
822
return 0
823
elif 'version' in opts:
824
cmd_version()
825
return 0
826
cmd = args.pop(0)
827
except IndexError:
828
log_error('usage: bzr COMMAND\n')
829
log_error(' try "bzr help"\n')
830
return 1
831
832
try:
833
cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
834
except KeyError:
835
bailout("unknown command " + `cmd`)
836
837
# global option
838
if 'profile' in opts:
839
profile = True
840
del opts['profile']
841
else:
842
profile = False
843
844
# check options are reasonable
845
allowed = cmd_options.get(cmd, [])
846
for oname in opts:
847
if oname not in allowed:
848
bailout("option %r is not allowed for command %r"
849
% (oname, cmd))
850
851
# mix arguments and options into one dictionary
852
cmdargs = _match_args(cmd, args)
853
for k, v in opts.items():
854
cmdargs[k.replace('-', '_')] = v
855
856
if profile:
857
import hotshot
858
prof = hotshot.Profile('.bzr.profile')
859
ret = prof.runcall(cmd_handler, **cmdargs) or 0
860
prof.close()
861
862
import hotshot.stats
863
stats = hotshot.stats.load('.bzr.profile')
864
#stats.strip_dirs()
865
stats.sort_stats('time')
866
stats.print_stats(20)
867
else:
868
return cmd_handler(**cmdargs) or 0
869
870
871
872
def main(argv):
873
## TODO: Handle command-line options; probably know what options are valid for
874
## each command
875
876
## TODO: If the arguments are wrong, give a usage message rather
877
## than just a backtrace.
878
879
bzrlib.trace.create_tracefile(argv)
880
881
try:
882
ret = run_bzr(argv)
883
return ret
884
except BzrError, e:
885
log_error('bzr: error: ' + e.args[0] + '\n')
886
if len(e.args) > 1:
887
for h in e.args[1]:
888
log_error(' ' + h + '\n')
889
return 1
890
except Exception, e:
891
log_error('bzr: exception: %s\n' % e)
892
log_error(' see .bzr.log for details\n')
893
traceback.print_exc(None, bzrlib.trace._tracefile)
894
traceback.print_exc(None, sys.stderr)
895
return 1
896
897
# TODO: Maybe nicer handling of IOError?
898
899
900
901
if __name__ == '__main__':
902
sys.exit(main(sys.argv))
903
##import profile
904
##profile.run('main(sys.argv)')
905
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0