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- Committer: Martin Pool
- Date: 2005-04-26 23:44:41 UTC
- Revision ID: mbp@sourcefrog.net-20050426234441-0e9b3825bdaaa5c2
todo
- files added:
- .bzrignore
- bzrlib
- doc
- elementtree
- notes
- urlgrabber
- 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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http://bazaar-ng.org/
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**WARNING: THIS IS AN UNSTABLE DEVELOPMENT VERSION**
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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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* 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 rename FROM TO
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Rename one file.
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bzr move FROM... DESTDIR
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Move one or more files to a different directory.
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bzr diff [FILE...]
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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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bzr check
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Verify history is stored safely.
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(for more type 'bzr help commands')
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"""
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import sys, os, time, types, shutil, tempfile, fnmatch, difflib, os.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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from inspect import getdoc
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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, BzrCheckError
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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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cmd_aliases = {
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'?': 'help',
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'ci': 'commit',
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'checkin': 'commit',
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'di': 'diff',
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'st': 'status',
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'stat': 'status',
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}
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def get_cmd_handler(cmd):
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cmd = str(cmd)
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cmd = cmd_aliases.get(cmd, cmd)
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try:
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cmd_handler = globals()['cmd_' + cmd.replace('-', '_')]
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except KeyError:
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raise BzrError("unknown command %r" % cmd)
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return cmd, cmd_handler
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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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"""
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#import bzrlib.status
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#bzrlib.status.tree_status(Branch('.'))
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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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TODO: Perhaps adding a file whose directly is not versioned should
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recursively add that parent, rather than giving an error?
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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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# TODO: Maybe a 'mv' command that has the combined move/rename
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# special behaviour of Unix?
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def cmd_move(source_list, dest):
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b = Branch('.')
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b.move([b.relpath(s) for s in source_list], b.relpath(dest))
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def cmd_rename(from_name, to_name):
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"""Change the name of an entry.
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usage: bzr rename FROM_NAME TO_NAME
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examples:
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bzr rename frob.c frobber.c
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bzr rename src/frob.c lib/frob.c
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It is an error if the destination name exists.
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See also the 'move' command, which moves files into a different
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directory without changing their name.
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TODO: Some way to rename multiple files without invoking bzr for each
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one?"""
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b = Branch('.')
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b.rename_one(b.relpath(from_name), b.relpath(to_name))
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def cmd_renames(dir='.'):
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"""Show list of renamed files.
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usage: bzr renames [BRANCH]
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TODO: Option to show renames between two historical versions.
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TODO: Only show renames under dir, rather than in the whole branch.
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"""
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b = Branch(dir)
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old_inv = b.basis_tree().inventory
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new_inv = b.read_working_inventory()
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renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
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renames.sort()
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for old_name, new_name in renames:
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print "%s => %s" % (old_name, new_name)
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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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"""Print file_id of a particular file or directory.
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usage: bzr file-id FILE
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The file_id is assigned when the file is first added and remains the
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same through all revisions where the file exists, even when it is
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moved or renamed.
294
"""
295
b = Branch(filename)
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i = b.inventory.path2id(b.relpath(filename))
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if i == None:
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bailout("%r is not a versioned file" % filename)
299
else:
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print i
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def cmd_file_id_path(filename):
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"""Print path of file_ids to a file or directory.
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usage: bzr file-id-path FILE
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This prints one line for each directory down to the target,
309
starting at the branch root."""
310
b = Branch(filename)
311
inv = b.inventory
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fid = inv.path2id(b.relpath(filename))
313
if fid == None:
314
bailout("%r is not a versioned file" % filename)
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for fip in inv.get_idpath(fid):
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print fip
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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_missing():
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for name, ie in Branch('.').working_tree().missing():
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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, file_list=None):
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"""bzr diff: Show differences in working tree.
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usage: bzr diff [-r REV] [FILE...]
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--revision REV
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Show changes since REV, rather than predecessor.
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If files are listed, only the changes in those files are listed.
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Otherwise, all changes for the tree are listed.
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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: Python difflib is not exactly the same as unidiff; should
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either fix it up or prefer to use an external diff.
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TODO: If a directory is given, diff everything under that.
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TODO: Selected-file diff is inefficient and doesn't show you
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deleted files.
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TODO: This probably handles non-Unix newlines poorly.
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"""
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## TODO: Shouldn't be in the cmd function.
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b = Branch('.')
382
383
if revision == None:
384
old_tree = b.basis_tree()
385
else:
386
old_tree = b.revision_tree(b.lookup_revision(revision))
387
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new_tree = b.working_tree()
389
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# TODO: Options to control putting on a prefix or suffix, perhaps as a format string
391
old_label = ''
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new_label = ''
393
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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.
398
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# TODO: Generation of pseudo-diffs for added/deleted files could
400
# be usefully made into a much faster special case.
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# TODO: Better to return them in sorted order I think.
403
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if file_list:
405
file_list = [b.relpath(f) for f in file_list]
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407
# FIXME: If given a file list, compare only those files rather
408
# than comparing everything and then throwing stuff away.
409
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for file_state, fid, old_name, new_name, kind in bzrlib.diff_trees(old_tree, new_tree):
411
412
if file_list and (new_name not in file_list):
413
continue
414
415
# Don't show this by default; maybe do it if an option is passed
416
# idlabel = ' {%s}' % fid
417
idlabel = ''
418
419
# FIXME: Something about the diff format makes patch unhappy
420
# with newly-added files.
421
422
def diffit(oldlines, newlines, **kw):
423
424
# FIXME: difflib is wrong if there is no trailing newline.
425
# The syntax used by patch seems to be "\ No newline at
426
# end of file" following the last diff line from that
427
# file. This is not trivial to insert into the
428
# unified_diff output and it might be better to just fix
429
# or replace that function.
430
431
# In the meantime we at least make sure the patch isn't
432
# mangled.
433
434
435
# Special workaround for Python2.3, where difflib fails if
436
# both sequences are empty.
437
if not oldlines and not newlines:
438
return
439
440
nonl = False
441
442
if oldlines and (oldlines[-1][-1] != '\n'):
443
oldlines[-1] += '\n'
444
nonl = True
445
if newlines and (newlines[-1][-1] != '\n'):
446
newlines[-1] += '\n'
447
nonl = True
448
449
ud = difflib.unified_diff(oldlines, newlines, **kw)
450
sys.stdout.writelines(ud)
451
if nonl:
452
print "\\ No newline at end of file"
453
sys.stdout.write('\n')
454
455
if file_state in ['.', '?', 'I']:
456
continue
457
elif file_state == 'A':
458
print '*** added %s %r' % (kind, new_name)
459
if kind == 'file':
460
diffit([],
461
new_tree.get_file(fid).readlines(),
462
fromfile=DEVNULL,
463
tofile=new_label + new_name + idlabel)
464
elif file_state == 'D':
465
assert isinstance(old_name, types.StringTypes)
466
print '*** deleted %s %r' % (kind, old_name)
467
if kind == 'file':
468
diffit(old_tree.get_file(fid).readlines(), [],
469
fromfile=old_label + old_name + idlabel,
470
tofile=DEVNULL)
471
elif file_state in ['M', 'R']:
472
if file_state == 'M':
473
assert kind == 'file'
474
assert old_name == new_name
475
print '*** modified %s %r' % (kind, new_name)
476
elif file_state == 'R':
477
print '*** renamed %s %r => %r' % (kind, old_name, new_name)
478
479
if kind == 'file':
480
diffit(old_tree.get_file(fid).readlines(),
481
new_tree.get_file(fid).readlines(),
482
fromfile=old_label + old_name + idlabel,
483
tofile=new_label + new_name)
484
else:
485
bailout("can't represent state %s {%s}" % (file_state, fid))
486
487
488
489
def cmd_deleted(show_ids=False):
490
"""List files deleted in the working tree.
491
492
TODO: Show files deleted since a previous revision, or between two revisions.
493
"""
494
b = Branch('.')
495
old = b.basis_tree()
496
new = b.working_tree()
497
498
## TODO: Much more efficient way to do this: read in new
499
## directories with readdir, rather than stating each one. Same
500
## level of effort but possibly much less IO. (Or possibly not,
501
## if the directories are very large...)
502
503
for path, ie in old.inventory.iter_entries():
504
if not new.has_id(ie.file_id):
505
if show_ids:
506
print '%-50s %s' % (path, ie.file_id)
507
else:
508
print path
509
510
511
512
def cmd_parse_inventory():
513
import cElementTree
514
515
cElementTree.ElementTree().parse(file('.bzr/inventory'))
516
517
518
519
def cmd_load_inventory():
520
"""Load inventory for timing purposes"""
521
Branch('.').basis_tree().inventory
522
523
524
def cmd_dump_inventory():
525
Branch('.').read_working_inventory().write_xml(sys.stdout)
526
527
528
def cmd_dump_new_inventory():
529
import bzrlib.newinventory
530
inv = Branch('.').basis_tree().inventory
531
bzrlib.newinventory.write_inventory(inv, sys.stdout)
532
533
534
def cmd_load_new_inventory():
535
import bzrlib.newinventory
536
bzrlib.newinventory.read_new_inventory(sys.stdin)
537
538
539
def cmd_dump_slacker_inventory():
540
import bzrlib.newinventory
541
inv = Branch('.').basis_tree().inventory
542
bzrlib.newinventory.write_slacker_inventory(inv, sys.stdout)
543
544
545
546
def cmd_dump_text_inventory():
547
import bzrlib.textinv
548
inv = Branch('.').basis_tree().inventory
549
bzrlib.textinv.write_text_inventory(inv, sys.stdout)
550
551
552
def cmd_load_text_inventory():
553
import bzrlib.textinv
554
inv = bzrlib.textinv.read_text_inventory(sys.stdin)
555
print 'loaded %d entries' % len(inv)
556
557
558
559
def cmd_root(filename=None):
560
"""Print the branch root."""
561
print bzrlib.branch.find_branch_root(filename)
562
563
564
def cmd_log(timezone='original', verbose=False):
565
"""Show log of this branch.
566
567
TODO: Options for utc; to show ids; to limit range; etc.
568
"""
569
Branch('.').write_log(show_timezone=timezone, verbose=verbose)
570
571
572
def cmd_ls(revision=None, verbose=False):
573
"""List files in a tree.
574
575
TODO: Take a revision or remote path and list that tree instead.
576
"""
577
b = Branch('.')
578
if revision == None:
579
tree = b.working_tree()
580
else:
581
tree = b.revision_tree(b.lookup_revision(revision))
582
583
for fp, fc, kind, fid in tree.list_files():
584
if verbose:
585
if kind == 'directory':
586
kindch = '/'
587
elif kind == 'file':
588
kindch = ''
589
else:
590
kindch = '???'
591
592
print '%-8s %s%s' % (fc, fp, kindch)
593
else:
594
print fp
595
596
597
598
def cmd_unknowns():
599
"""List unknown files"""
600
for f in Branch('.').unknowns():
601
print quotefn(f)
602
603
604
605
def cmd_ignored():
606
"""List ignored files and the patterns that matched them.
607
"""
608
tree = Branch('.').working_tree()
609
for path, file_class, kind, file_id in tree.list_files():
610
if file_class != 'I':
611
continue
612
## XXX: Slightly inefficient since this was already calculated
613
pat = tree.is_ignored(path)
614
print '%-50s %s' % (path, pat)
615
616
617
def cmd_lookup_revision(revno):
618
try:
619
revno = int(revno)
620
except ValueError:
621
bailout("usage: lookup-revision REVNO",
622
["REVNO is a non-negative revision number for this branch"])
623
624
print Branch('.').lookup_revision(revno) or NONE_STRING
625
626
627
628
def cmd_export(revno, dest):
629
"""Export past revision to destination directory."""
630
b = Branch('.')
631
rh = b.lookup_revision(int(revno))
632
t = b.revision_tree(rh)
633
t.export(dest)
634
635
def cmd_cat(revision, filename):
636
"""Print file to stdout."""
637
b = Branch('.')
638
b.print_file(b.relpath(filename), int(revision))
639
640
641
######################################################################
642
# internal/test commands
643
644
645
def cmd_uuid():
646
"""Print a newly-generated UUID."""
647
print bzrlib.osutils.uuid()
648
649
650
651
def cmd_local_time_offset():
652
print bzrlib.osutils.local_time_offset()
653
654
655
656
def cmd_commit(message=None, verbose=False):
657
"""Commit changes to a new revision.
658
659
--message MESSAGE
660
Description of changes in this revision; free form text.
661
It is recommended that the first line be a single-sentence
662
summary.
663
--verbose
664
Show status of changed files,
665
666
TODO: Commit only selected files.
667
668
TODO: Run hooks on tree to-be-committed, and after commit.
669
670
TODO: Strict commit that fails if there are unknown or deleted files.
671
"""
672
673
if not message:
674
bailout("please specify a commit message")
675
Branch('.').commit(message, verbose=verbose)
676
677
678
def cmd_check(dir='.'):
679
"""check: Consistency check of branch history.
680
681
usage: bzr check [-v] [BRANCH]
682
683
options:
684
--verbose, -v Show progress of checking.
685
686
This command checks various invariants about the branch storage to
687
detect data corruption or bzr bugs.
688
"""
689
import bzrlib.check
690
bzrlib.check.check(Branch(dir, find_root=False))
691
692
693
def cmd_is(pred, *rest):
694
"""Test whether PREDICATE is true."""
695
try:
696
cmd_handler = globals()['assert_' + pred.replace('-', '_')]
697
except KeyError:
698
bailout("unknown predicate: %s" % quotefn(pred))
699
700
try:
701
cmd_handler(*rest)
702
except BzrCheckError:
703
# by default we don't print the message so that this can
704
# be used from shell scripts without producing noise
705
sys.exit(1)
706
707
708
def cmd_whoami(email=False):
709
"""Show bzr user id.
710
711
usage: bzr whoami
712
713
options:
714
--email Show only the email address.
715
716
"""
717
if email:
718
print bzrlib.osutils.user_email()
719
else:
720
print bzrlib.osutils.username()
721
722
723
def cmd_gen_revision_id():
724
print bzrlib.branch._gen_revision_id(time.time())
725
726
727
def cmd_selftest():
728
"""Run internal test suite"""
729
## -v, if present, is seen by doctest; the argument is just here
730
## so our parser doesn't complain
731
732
## TODO: --verbose option
733
734
failures, tests = 0, 0
735
736
import doctest, bzrlib.store, bzrlib.tests
737
bzrlib.trace.verbose = False
738
739
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
740
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
741
mf, mt = doctest.testmod(m)
742
failures += mf
743
tests += mt
744
print '%-40s %3d tests' % (m.__name__, mt),
745
if mf:
746
print '%3d FAILED!' % mf
747
else:
748
print
749
750
print '%-40s %3d tests' % ('total', tests),
751
if failures:
752
print '%3d FAILED!' % failures
753
else:
754
print
755
756
757
758
# deprecated
759
cmd_doctest = cmd_selftest
760
761
762
######################################################################
763
# help
764
765
766
def cmd_help(topic=None):
767
if topic == None:
768
print __doc__
769
elif topic == 'commands':
770
help_commands()
771
else:
772
# otherwise, maybe the name of a command?
773
topic, cmdfn = get_cmd_handler(topic)
774
775
doc = getdoc(cmdfn)
776
if doc == None:
777
bailout("sorry, no detailed help yet for %r" % topic)
778
779
print doc
780
781
782
def help_commands():
783
"""List all commands"""
784
accu = []
785
for k in globals().keys():
786
if k.startswith('cmd_'):
787
accu.append(k[4:].replace('_','-'))
788
accu.sort()
789
print "bzr commands: "
790
for x in accu:
791
print " " + x
792
print "note: some of these commands are internal-use or obsolete"
793
# TODO: Some kind of marker for internal-use commands?
794
# TODO: Show aliases?
795
796
797
798
799
def cmd_version():
800
print "bzr (bazaar-ng) %s" % bzrlib.__version__
801
print bzrlib.__copyright__
802
print "http://bazaar-ng.org/"
803
print
804
print \
805
"""bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and
806
you may use, modify and redistribute it under the terms of the GNU
807
General Public License version 2 or later."""
808
809
810
def cmd_rocks():
811
"""Statement of optimism."""
812
print "it sure does!"
813
814
815
816
######################################################################
817
# main routine
818
819
820
# list of all available options; the rhs can be either None for an
821
# option that takes no argument, or a constructor function that checks
822
# the type.
823
OPTIONS = {
824
'all': None,
825
'help': None,
826
'message': unicode,
827
'profile': None,
828
'revision': int,
829
'show-ids': None,
830
'timezone': str,
831
'verbose': None,
832
'version': None,
833
'email': None,
834
}
835
836
SHORT_OPTIONS = {
837
'm': 'message',
838
'r': 'revision',
839
'v': 'verbose',
840
}
841
842
# List of options that apply to particular commands; commands not
843
# listed take none.
844
cmd_options = {
845
'add': ['verbose'],
846
'cat': ['revision'],
847
'commit': ['message', 'verbose'],
848
'deleted': ['show-ids'],
849
'diff': ['revision'],
850
'inventory': ['revision'],
851
'log': ['timezone', 'verbose'],
852
'ls': ['revision', 'verbose'],
853
'remove': ['verbose'],
854
'status': ['all'],
855
'whoami': ['email'],
856
}
857
858
859
cmd_args = {
860
'add': ['file+'],
861
'cat': ['filename'],
862
'commit': [],
863
'diff': ['file*'],
864
'export': ['revno', 'dest'],
865
'file-id': ['filename'],
866
'file-id-path': ['filename'],
867
'get-file-text': ['text_id'],
868
'get-inventory': ['inventory_id'],
869
'get-revision': ['revision_id'],
870
'get-revision-inventory': ['revision_id'],
871
'help': ['topic?'],
872
'init': [],
873
'log': [],
874
'lookup-revision': ['revno'],
875
'move': ['source$', 'dest'],
876
'relpath': ['filename'],
877
'remove': ['file+'],
878
'rename': ['from_name', 'to_name'],
879
'renames': ['dir?'],
880
'root': ['filename?'],
881
'status': [],
882
}
883
884
885
def parse_args(argv):
886
"""Parse command line.
887
888
Arguments and options are parsed at this level before being passed
889
down to specific command handlers. This routine knows, from a
890
lookup table, something about the available options, what optargs
891
they take, and which commands will accept them.
892
893
>>> parse_args('--help'.split())
894
([], {'help': True})
895
>>> parse_args('--version'.split())
896
([], {'version': True})
897
>>> parse_args('status --all'.split())
898
(['status'], {'all': True})
899
>>> parse_args('commit --message=biter'.split())
900
(['commit'], {'message': u'biter'})
901
"""
902
args = []
903
opts = {}
904
905
# TODO: Maybe handle '--' to end options?
906
907
while argv:
908
a = argv.pop(0)
909
if a[0] == '-':
910
# option names must not be unicode
911
a = str(a)
912
optarg = None
913
if a[1] == '-':
914
mutter(" got option %r" % a)
915
if '=' in a:
916
optname, optarg = a[2:].split('=', 1)
917
else:
918
optname = a[2:]
919
if optname not in OPTIONS:
920
bailout('unknown long option %r' % a)
921
else:
922
shortopt = a[1:]
923
if shortopt not in SHORT_OPTIONS:
924
bailout('unknown short option %r' % a)
925
optname = SHORT_OPTIONS[shortopt]
926
927
if optname in opts:
928
# XXX: Do we ever want to support this, e.g. for -r?
929
bailout('repeated option %r' % a)
930
931
optargfn = OPTIONS[optname]
932
if optargfn:
933
if optarg == None:
934
if not argv:
935
bailout('option %r needs an argument' % a)
936
else:
937
optarg = argv.pop(0)
938
opts[optname] = optargfn(optarg)
939
else:
940
if optarg != None:
941
bailout('option %r takes no argument' % optname)
942
opts[optname] = True
943
else:
944
args.append(a)
945
946
return args, opts
947
948
949
950
def _match_args(cmd, args):
951
"""Check non-option arguments match required pattern.
952
953
>>> _match_args('status', ['asdasdsadasd'])
954
Traceback (most recent call last):
955
...
956
BzrError: ("extra arguments to command status: ['asdasdsadasd']", [])
957
>>> _match_args('add', ['asdasdsadasd'])
958
{'file_list': ['asdasdsadasd']}
959
>>> _match_args('add', 'abc def gj'.split())
960
{'file_list': ['abc', 'def', 'gj']}
961
"""
962
# match argument pattern
963
argform = cmd_args.get(cmd, [])
964
argdict = {}
965
# TODO: Need a way to express 'cp SRC... DEST', where it matches
966
# all but one.
967
968
# step through args and argform, allowing appropriate 0-many matches
969
for ap in argform:
970
argname = ap[:-1]
971
if ap[-1] == '?':
972
if args:
973
argdict[argname] = args.pop(0)
974
elif ap[-1] == '*': # all remaining arguments
975
if args:
976
argdict[argname + '_list'] = args[:]
977
args = []
978
else:
979
argdict[argname + '_list'] = None
980
elif ap[-1] == '+':
981
if not args:
982
bailout("command %r needs one or more %s"
983
% (cmd, argname.upper()))
984
else:
985
argdict[argname + '_list'] = args[:]
986
args = []
987
elif ap[-1] == '$': # all but one
988
if len(args) < 2:
989
bailout("command %r needs one or more %s"
990
% (cmd, argname.upper()))
991
argdict[argname + '_list'] = args[:-1]
992
args[:-1] = []
993
else:
994
# just a plain arg
995
argname = ap
996
if not args:
997
bailout("command %r requires argument %s"
998
% (cmd, argname.upper()))
999
else:
1000
argdict[argname] = args.pop(0)
1001
1002
if args:
1003
bailout("extra arguments to command %s: %r"
1004
% (cmd, args))
1005
1006
return argdict
1007
1008
1009
1010
def run_bzr(argv):
1011
"""Execute a command.
1012
1013
This is similar to main(), but without all the trappings for
1014
logging and error handling.
1015
"""
1016
1017
argv = [a.decode(bzrlib.user_encoding) for a in argv]
1018
1019
try:
1020
args, opts = parse_args(argv[1:])
1021
if 'help' in opts:
1022
# TODO: pass down other arguments in case they asked for
1023
# help on a command name?
1024
if args:
1025
cmd_help(args[0])
1026
else:
1027
cmd_help()
1028
return 0
1029
elif 'version' in opts:
1030
cmd_version()
1031
return 0
1032
cmd = str(args.pop(0))
1033
except IndexError:
1034
log_error('usage: bzr COMMAND')
1035
log_error(' try "bzr help"')
1036
return 1
1037
1038
canonical_cmd, cmd_handler = get_cmd_handler(cmd)
1039
1040
# global option
1041
if 'profile' in opts:
1042
profile = True
1043
del opts['profile']
1044
else:
1045
profile = False
1046
1047
# check options are reasonable
1048
allowed = cmd_options.get(canonical_cmd, [])
1049
for oname in opts:
1050
if oname not in allowed:
1051
bailout("option %r is not allowed for command %r"
1052
% (oname, cmd))
1053
1054
# TODO: give an error if there are any mandatory options which are
1055
# not specified? Or maybe there shouldn't be any "mandatory
1056
# options" (it is an oxymoron)
1057
1058
# mix arguments and options into one dictionary
1059
cmdargs = _match_args(canonical_cmd, args)
1060
for k, v in opts.items():
1061
cmdargs[k.replace('-', '_')] = v
1062
1063
if profile:
1064
import hotshot
1065
pffileno, pfname = tempfile.mkstemp()
1066
try:
1067
prof = hotshot.Profile(pfname)
1068
ret = prof.runcall(cmd_handler, **cmdargs) or 0
1069
prof.close()
1070
1071
import hotshot.stats
1072
stats = hotshot.stats.load(pfname)
1073
#stats.strip_dirs()
1074
stats.sort_stats('time')
1075
## XXX: Might like to write to stderr or the trace file instead but
1076
## print_stats seems hardcoded to stdout
1077
stats.print_stats(20)
1078
1079
return ret
1080
1081
finally:
1082
os.close(pffileno)
1083
os.remove(pfname)
1084
else:
1085
return cmd_handler(**cmdargs) or 0
1086
1087
1088
1089
def _report_exception(e, summary):
1090
import traceback
1091
log_error('bzr: ' + summary)
1092
bzrlib.trace.log_exception(e)
1093
tb = sys.exc_info()[2]
1094
exinfo = traceback.extract_tb(tb)
1095
if exinfo:
1096
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
1097
sys.stderr.write(' see ~/.bzr.log for debug information\n')
1098
1099
1100
def cmd_assert_fail():
1101
assert False, "always fails"
1102
1103
1104
def main(argv):
1105
bzrlib.trace.create_tracefile(argv)
1106
1107
try:
1108
try:
1109
ret = run_bzr(argv)
1110
return ret
1111
except BzrError, e:
1112
_report_exception(e, 'error: ' + e.args[0])
1113
if len(e.args) > 1:
1114
for h in e.args[1]:
1115
# some explanation or hints
1116
log_error(' ' + h)
1117
return 1
1118
except AssertionError, e:
1119
msg = 'assertion failed'
1120
if str(e):
1121
msg += ': ' + str(e)
1122
_report_exception(e, msg)
1123
except Exception, e:
1124
_report_exception(e, 'exception: %s' % str(e).rstrip('\n'))
1125
return 1
1126
finally:
1127
bzrlib.trace.close_trace()
1128
1129
## TODO: Trap AssertionError
1130
1131
# TODO: Maybe nicer handling of IOError especially for broken pipe.
1132
1133
1134
1135
if __name__ == '__main__':
1136
sys.exit(main(sys.argv))
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