# Copyright (C) 2004, 2005 by Canonical Ltd # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import sys, os import bzrlib from bzrlib.trace import mutter, note, log_error, warning from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError from bzrlib.branch import find_branch from bzrlib import BZRDIR plugin_cmds = {} def register_command(cmd): "Utility function to help register a command" global plugin_cmds k = cmd.__name__ if k.startswith("cmd_"): k_unsquished = _unsquish_command_name(k) else: k_unsquished = k if not plugin_cmds.has_key(k_unsquished): plugin_cmds[k_unsquished] = cmd else: log_error('Two plugins defined the same command: %r' % k) log_error('Not loading the one in %r' % sys.modules[cmd.__module__]) def _squish_command_name(cmd): return 'cmd_' + cmd.replace('-', '_') def _unsquish_command_name(cmd): assert cmd.startswith("cmd_") return cmd[4:].replace('_','-') def _parse_revision_str(revstr): """This handles a revision string -> revno. This always returns a list. The list will have one element for It supports integers directly, but everything else it defers for passing to Branch.get_revision_info() >>> _parse_revision_str('234') [234] >>> _parse_revision_str('234..567') [234, 567] >>> _parse_revision_str('..') [None, None] >>> _parse_revision_str('..234') [None, 234] >>> _parse_revision_str('234..') [234, None] >>> _parse_revision_str('234..456..789') # Maybe this should be an error [234, 456, 789] >>> _parse_revision_str('234....789') # Error? [234, None, 789] >>> _parse_revision_str('revid:test@other.com-234234') ['revid:test@other.com-234234'] >>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235') ['revid:test@other.com-234234', 'revid:test@other.com-234235'] >>> _parse_revision_str('revid:test@other.com-234234..23') ['revid:test@other.com-234234', 23] >>> _parse_revision_str('date:2005-04-12') ['date:2005-04-12'] >>> _parse_revision_str('date:2005-04-12 12:24:33') ['date:2005-04-12 12:24:33'] >>> _parse_revision_str('date:2005-04-12T12:24:33') ['date:2005-04-12T12:24:33'] >>> _parse_revision_str('date:2005-04-12,12:24:33') ['date:2005-04-12,12:24:33'] >>> _parse_revision_str('-5..23') [-5, 23] >>> _parse_revision_str('-5') [-5] >>> _parse_revision_str('123a') ['123a'] >>> _parse_revision_str('abc') ['abc'] """ import re old_format_re = re.compile('\d*:\d*') m = old_format_re.match(revstr) if m: warning('Colon separator for revision numbers is deprecated.' ' Use .. instead') revs = [] for rev in revstr.split(':'): if rev: revs.append(int(rev)) else: revs.append(None) return revs revs = [] for x in revstr.split('..'): if not x: revs.append(None) else: try: revs.append(int(x)) except ValueError: revs.append(x) return revs def _get_cmd_dict(plugins_override=True): d = {} for k, v in globals().iteritems(): if k.startswith("cmd_"): d[_unsquish_command_name(k)] = v # If we didn't load plugins, the plugin_cmds dict will be empty if plugins_override: d.update(plugin_cmds) else: d2 = plugin_cmds.copy() d2.update(d) d = d2 return d def get_all_cmds(plugins_override=True): """Return canonical name and class for all registered commands.""" for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems(): yield k,v def get_cmd_class(cmd, plugins_override=True): """Return the canonical name and command class for a command. """ cmd = str(cmd) # not unicode # first look up this command under the specified name cmds = _get_cmd_dict(plugins_override=plugins_override) try: return cmd, cmds[cmd] except KeyError: pass # look for any command which claims this as an alias for cmdname, cmdclass in cmds.iteritems(): if cmd in cmdclass.aliases: return cmdname, cmdclass cmdclass = ExternalCommand.find_command(cmd) if cmdclass: return cmd, cmdclass raise BzrCommandError("unknown command %r" % cmd) class Command(object): """Base class for commands. The docstring for an actual command should give a single-line summary, then a complete description of the command. A grammar description will be inserted. takes_args List of argument forms, marked with whether they are optional, repeated, etc. takes_options List of options that may be given for this command. hidden If true, this command isn't advertised. """ aliases = [] takes_args = [] takes_options = [] hidden = False def __init__(self, options, arguments): """Construct and run the command. Sets self.status to the return value of run().""" assert isinstance(options, dict) assert isinstance(arguments, dict) cmdargs = options.copy() cmdargs.update(arguments) assert self.__doc__ != Command.__doc__, \ ("No help message set for %r" % self) self.status = self.run(**cmdargs) def run(self): """Override this in sub-classes. This is invoked with the options and arguments bound to keyword parameters. Return 0 or None if the command was successful, or a shell error code if not. """ return 0 class ExternalCommand(Command): """Class to wrap external commands. We cheat a little here, when get_cmd_class() calls us we actually give it back an object we construct that has the appropriate path, help, options etc for the specified command. When run_bzr() tries to instantiate that 'class' it gets caught by the __call__ method, which we override to call the Command.__init__ method. That then calls our run method which is pretty straight forward. The only wrinkle is that we have to map bzr's dictionary of options and arguments back into command line options and arguments for the script. """ def find_command(cls, cmd): import os.path bzrpath = os.environ.get('BZRPATH', '') for dir in bzrpath.split(os.pathsep): path = os.path.join(dir, cmd) if os.path.isfile(path): return ExternalCommand(path) return None find_command = classmethod(find_command) def __init__(self, path): self.path = path pipe = os.popen('%s --bzr-usage' % path, 'r') self.takes_options = pipe.readline().split() for opt in self.takes_options: if not opt in OPTIONS: raise BzrError("Unknown option '%s' returned by external command %s" % (opt, path)) # TODO: Is there any way to check takes_args is valid here? self.takes_args = pipe.readline().split() if pipe.close() is not None: raise BzrError("Failed funning '%s --bzr-usage'" % path) pipe = os.popen('%s --bzr-help' % path, 'r') self.__doc__ = pipe.read() if pipe.close() is not None: raise BzrError("Failed funning '%s --bzr-help'" % path) def __call__(self, options, arguments): Command.__init__(self, options, arguments) return self def run(self, **kargs): opts = [] args = [] keys = kargs.keys() keys.sort() for name in keys: optname = name.replace('_','-') value = kargs[name] if OPTIONS.has_key(optname): # it's an option opts.append('--%s' % optname) if value is not None and value is not True: opts.append(str(value)) else: # it's an arg, or arg list if type(value) is not list: value = [value] for v in value: if v is not None: args.append(str(v)) self.status = os.spawnv(os.P_WAIT, self.path, [self.path] + opts + args) return self.status class cmd_status(Command): """Display status summary. This reports on versioned and unknown files, reporting them grouped by state. Possible states are: added Versioned in the working copy but not in the previous revision. removed Versioned in the previous revision but removed or deleted in the working copy. renamed Path of this file changed from the previous revision; the text may also have changed. This includes files whose parent directory was renamed. modified Text has changed since the previous revision. unchanged Nothing about this file has changed since the previous revision. Only shown with --all. unknown Not versioned and not matching an ignore pattern. To see ignored files use 'bzr ignored'. For details in the changes to file texts, use 'bzr diff'. If no arguments are specified, the status of the entire working directory is shown. Otherwise, only the status of the specified files or directories is reported. If a directory is given, status is reported for everything inside that directory. If a revision is specified, the changes since that revision are shown. """ takes_args = ['file*'] takes_options = ['all', 'show-ids', 'revision'] aliases = ['st', 'stat'] def run(self, all=False, show_ids=False, file_list=None): if file_list: b = find_branch(file_list[0]) file_list = [b.relpath(x) for x in file_list] # special case: only one path was given and it's the root # of the branch if file_list == ['']: file_list = None else: b = find_branch('.') from bzrlib.status import show_status show_status(b, show_unchanged=all, show_ids=show_ids, specific_files=file_list) class cmd_cat_revision(Command): """Write out metadata for a revision.""" hidden = True takes_args = ['revision_id'] def run(self, revision_id): from bzrlib.xml import pack_xml pack_xml(find_branch('.').get_revision(revision_id), sys.stdout) class cmd_revno(Command): """Show current revision number. This is equal to the number of revisions on this branch.""" def run(self): print find_branch('.').revno() class cmd_revision_info(Command): """Show revision number and revision id for a given revision identifier. """ hidden = True takes_args = ['revision_info*'] takes_options = ['revision'] def run(self, revision=None, revision_info_list=None): from bzrlib.branch import find_branch revs = [] if revision is not None: revs.extend(revision) if revision_info_list is not None: revs.extend(revision_info_list) if len(revs) == 0: raise BzrCommandError('You must supply a revision identifier') b = find_branch('.') for rev in revs: print '%4d %s' % b.get_revision_info(rev) class cmd_add(Command): """Add specified files or directories. In non-recursive mode, all the named items are added, regardless of whether they were previously ignored. A warning is given if any of the named files are already versioned. In recursive mode (the default), files are treated the same way but the behaviour for directories is different. Directories that are already versioned do not give a warning. All directories, whether already versioned or not, are searched for files or subdirectories that are neither versioned or ignored, and these are added. This search proceeds recursively into versioned directories. Therefore simply saying 'bzr add .' will version all files that are currently unknown. TODO: Perhaps adding a file whose directly is not versioned should recursively add that parent, rather than giving an error? """ takes_args = ['file+'] takes_options = ['verbose', 'no-recurse'] def run(self, file_list, verbose=False, no_recurse=False): from bzrlib.add import smart_add smart_add(file_list, verbose, not no_recurse) class cmd_mkdir(Command): """Create a new versioned directory. This is equivalent to creating the directory and then adding it. """ takes_args = ['dir+'] def run(self, dir_list): b = None for d in dir_list: os.mkdir(d) if not b: b = find_branch(d) b.add([d], verbose=True) class cmd_relpath(Command): """Show path of a file relative to root""" takes_args = ['filename'] hidden = True def run(self, filename): print find_branch(filename).relpath(filename) class cmd_inventory(Command): """Show inventory of the current working copy or a revision.""" takes_options = ['revision', 'show-ids'] def run(self, revision=None, show_ids=False): b = find_branch('.') if revision == None: inv = b.read_working_inventory() else: if len(revision) > 1: raise BzrCommandError('bzr inventory --revision takes' ' exactly one revision identifier') inv = b.get_revision_inventory(b.lookup_revision(revision[0])) for path, entry in inv.entries(): if show_ids: print '%-50s %s' % (path, entry.file_id) else: print path class cmd_move(Command): """Move files to a different directory. examples: bzr move *.txt doc The destination must be a versioned directory in the same branch. """ takes_args = ['source$', 'dest'] def run(self, source_list, dest): b = find_branch('.') b.move([b.relpath(s) for s in source_list], b.relpath(dest)) class cmd_rename(Command): """Change the name of an entry. examples: bzr rename frob.c frobber.c bzr rename src/frob.c lib/frob.c It is an error if the destination name exists. See also the 'move' command, which moves files into a different directory without changing their name. TODO: Some way to rename multiple files without invoking bzr for each one?""" takes_args = ['from_name', 'to_name'] def run(self, from_name, to_name): b = find_branch('.') b.rename_one(b.relpath(from_name), b.relpath(to_name)) class cmd_pull(Command): """Pull any changes from another branch into the current one. If the location is omitted, the last-used location will be used. Both the revision history and the working directory will be updated. This command only works on branches that have not diverged. Branches are considered diverged if both branches have had commits without first pulling from the other. If branches have diverged, you can use 'bzr merge' to pull the text changes from one into the other. """ takes_args = ['location?'] def run(self, location=None): from bzrlib.merge import merge import tempfile from shutil import rmtree import errno br_to = find_branch('.') stored_loc = None try: stored_loc = br_to.controlfile("x-pull", "rb").read().rstrip('\n') except IOError, e: if e.errno != errno.ENOENT: raise if location is None: if stored_loc is None: raise BzrCommandError("No pull location known or specified.") else: print "Using last location: %s" % stored_loc location = stored_loc cache_root = tempfile.mkdtemp() from bzrlib.branch import DivergedBranches br_from = find_branch(location) location = pull_loc(br_from) old_revno = br_to.revno() try: from branch import find_cached_branch, DivergedBranches br_from = find_cached_branch(location, cache_root) location = pull_loc(br_from) old_revno = br_to.revno() try: br_to.update_revisions(br_from) except DivergedBranches: raise BzrCommandError("These branches have diverged." " Try merge.") merge(('.', -1), ('.', old_revno), check_clean=False) if location != stored_loc: br_to.controlfile("x-pull", "wb").write(location + "\n") finally: rmtree(cache_root) class cmd_branch(Command): """Create a new copy of a branch. If the TO_LOCATION is omitted, the last component of the FROM_LOCATION will be used. In other words, "branch ../foo/bar" will attempt to create ./bar. To retrieve the branch as of a particular revision, supply the --revision parameter, as in "branch foo/bar -r 5". """ takes_args = ['from_location', 'to_location?'] takes_options = ['revision'] def run(self, from_location, to_location=None, revision=None): import errno from bzrlib.merge import merge from bzrlib.branch import DivergedBranches, NoSuchRevision, \ find_cached_branch, Branch from shutil import rmtree from meta_store import CachedStore import tempfile cache_root = tempfile.mkdtemp() if revision is None: revision = [None] elif len(revision) > 1: raise BzrCommandError('bzr branch --revision takes exactly 1 revision value') try: try: br_from = find_cached_branch(from_location, cache_root) except OSError, e: if e.errno == errno.ENOENT: raise BzrCommandError('Source location "%s" does not' ' exist.' % to_location) else: raise if to_location is None: to_location = os.path.basename(from_location.rstrip("/\\")) try: os.mkdir(to_location) except OSError, e: if e.errno == errno.EEXIST: raise BzrCommandError('Target directory "%s" already' ' exists.' % to_location) if e.errno == errno.ENOENT: raise BzrCommandError('Parent of "%s" does not exist.' % to_location) else: raise br_to = Branch(to_location, init=True) br_to.set_root_id(br_from.get_root_id()) if revision: if revision[0] is None: revno = br_from.revno() else: revno, rev_id = br_from.get_revision_info(revision[0]) try: br_to.update_revisions(br_from, stop_revision=revno) except NoSuchRevision: rmtree(to_location) msg = "The branch %s has no revision %d." % (from_location, revno) raise BzrCommandError(msg) merge((to_location, -1), (to_location, 0), this_dir=to_location, check_clean=False, ignore_zero=True) from_location = pull_loc(br_from) br_to.controlfile("x-pull", "wb").write(from_location + "\n") finally: rmtree(cache_root) def pull_loc(branch): # TODO: Should perhaps just make attribute be 'base' in # RemoteBranch and Branch? if hasattr(branch, "baseurl"): return branch.baseurl else: return branch.base class cmd_renames(Command): """Show list of renamed files. TODO: Option to show renames between two historical versions. TODO: Only show renames under dir, rather than in the whole branch. """ takes_args = ['dir?'] def run(self, dir='.'): b = find_branch(dir) old_inv = b.basis_tree().inventory new_inv = b.read_working_inventory() renames = list(bzrlib.tree.find_renames(old_inv, new_inv)) renames.sort() for old_name, new_name in renames: print "%s => %s" % (old_name, new_name) class cmd_info(Command): """Show statistical information about a branch.""" takes_args = ['branch?'] def run(self, branch=None): import info b = find_branch(branch) info.show_info(b) class cmd_remove(Command): """Make a file unversioned. This makes bzr stop tracking changes to a versioned file. It does not delete the working copy. """ takes_args = ['file+'] takes_options = ['verbose'] def run(self, file_list, verbose=False): b = find_branch(file_list[0]) b.remove([b.relpath(f) for f in file_list], verbose=verbose) class cmd_file_id(Command): """Print file_id of a particular file or directory. The file_id is assigned when the file is first added and remains the same through all revisions where the file exists, even when it is moved or renamed. """ hidden = True takes_args = ['filename'] def run(self, filename): b = find_branch(filename) i = b.inventory.path2id(b.relpath(filename)) if i == None: raise BzrError("%r is not a versioned file" % filename) else: print i class cmd_file_path(Command): """Print path of file_ids to a file or directory. This prints one line for each directory down to the target, starting at the branch root.""" hidden = True takes_args = ['filename'] def run(self, filename): b = find_branch(filename) inv = b.inventory fid = inv.path2id(b.relpath(filename)) if fid == None: raise BzrError("%r is not a versioned file" % filename) for fip in inv.get_idpath(fid): print fip class cmd_revision_history(Command): """Display list of revision ids on this branch.""" hidden = True def run(self): for patchid in find_branch('.').revision_history(): print patchid class cmd_directories(Command): """Display list of versioned directories in this branch.""" def run(self): for name, ie in find_branch('.').read_working_inventory().directories(): if name == '': print '.' else: print name class cmd_init(Command): """Make a directory into a versioned branch. Use this to create an empty branch, or before importing an existing project. Recipe for importing a tree of files: cd ~/project bzr init bzr add -v . bzr status bzr commit -m 'imported project' """ def run(self): from bzrlib.branch import Branch Branch('.', init=True) class cmd_diff(Command): """Show differences in working tree. If files are listed, only the changes in those files are listed. Otherwise, all changes for the tree are listed. TODO: Given two revision arguments, show the difference between them. TODO: Allow diff across branches. TODO: Option to use external diff command; could be GNU diff, wdiff, or a graphical diff. TODO: Python difflib is not exactly the same as unidiff; should either fix it up or prefer to use an external diff. TODO: If a directory is given, diff everything under that. TODO: Selected-file diff is inefficient and doesn't show you deleted files. TODO: This probably handles non-Unix newlines poorly. """ takes_args = ['file*'] takes_options = ['revision', 'diff-options'] aliases = ['di', 'dif'] def run(self, revision=None, file_list=None, diff_options=None): from bzrlib.diff import show_diff if file_list: b = find_branch(file_list[0]) file_list = [b.relpath(f) for f in file_list] if file_list == ['']: # just pointing to top-of-tree file_list = None else: b = find_branch('.') # TODO: Make show_diff support taking 2 arguments base_rev = None if revision is not None: if len(revision) != 1: raise BzrCommandError('bzr diff --revision takes exactly one revision identifier') base_rev = revision[0] show_diff(b, base_rev, specific_files=file_list, external_diff_options=diff_options) class cmd_deleted(Command): """List files deleted in the working tree. TODO: Show files deleted since a previous revision, or between two revisions. """ def run(self, show_ids=False): b = find_branch('.') old = b.basis_tree() new = b.working_tree() ## TODO: Much more efficient way to do this: read in new ## directories with readdir, rather than stating each one. Same ## level of effort but possibly much less IO. (Or possibly not, ## if the directories are very large...) for path, ie in old.inventory.iter_entries(): if not new.has_id(ie.file_id): if show_ids: print '%-50s %s' % (path, ie.file_id) else: print path class cmd_modified(Command): """List files modified in working tree.""" hidden = True def run(self): from bzrlib.diff import compare_trees b = find_branch('.') td = compare_trees(b.basis_tree(), b.working_tree()) for path, id, kind in td.modified: print path class cmd_added(Command): """List files added in working tree.""" hidden = True def run(self): b = find_branch('.') wt = b.working_tree() basis_inv = b.basis_tree().inventory inv = wt.inventory for file_id in inv: if file_id in basis_inv: continue path = inv.id2path(file_id) if not os.access(b.abspath(path), os.F_OK): continue print path class cmd_root(Command): """Show the tree root directory. The root is the nearest enclosing directory with a .bzr control directory.""" takes_args = ['filename?'] def run(self, filename=None): """Print the branch root.""" b = find_branch(filename) print getattr(b, 'base', None) or getattr(b, 'baseurl') class cmd_log(Command): """Show log of this branch. To request a range of logs, you can use the command -r begin:end -r revision requests a specific revision, -r :end or -r begin: are also valid. --message allows you to give a regular expression, which will be evaluated so that only matching entries will be displayed. TODO: Make --revision support uuid: and hash: [future tag:] notation. """ takes_args = ['filename?'] takes_options = ['forward', 'timezone', 'verbose', 'show-ids', 'revision','long', 'message'] def run(self, filename=None, timezone='original', verbose=False, show_ids=False, forward=False, revision=None, message=None, long=False): from bzrlib.branch import find_branch from bzrlib.log import log_formatter, show_log import codecs direction = (forward and 'forward') or 'reverse' if filename: b = find_branch(filename) fp = b.relpath(filename) if fp: file_id = b.read_working_inventory().path2id(fp) else: file_id = None # points to branch root else: b = find_branch('.') file_id = None if revision is None: rev1 = None rev2 = None elif len(revision) == 1: rev1 = rev2 = b.get_revision_info(revision[0])[0] elif len(revision) == 2: rev1 = b.get_revision_info(revision[0])[0] rev2 = b.get_revision_info(revision[1])[0] else: raise BzrCommandError('bzr log --revision takes one or two values.') if rev1 == 0: rev1 = None if rev2 == 0: rev2 = None mutter('encoding log as %r' % bzrlib.user_encoding) # use 'replace' so that we don't abort if trying to write out # in e.g. the default C locale. outf = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace') if long: log_format = 'long' else: log_format = 'short' lf = log_formatter(log_format, show_ids=show_ids, to_file=outf, show_timezone=timezone) show_log(b, lf, file_id, verbose=verbose, direction=direction, start_revision=rev1, end_revision=rev2, search=message) class cmd_touching_revisions(Command): """Return revision-ids which affected a particular file. A more user-friendly interface is "bzr log FILE".""" hidden = True takes_args = ["filename"] def run(self, filename): b = find_branch(filename) inv = b.read_working_inventory() file_id = inv.path2id(b.relpath(filename)) for revno, revision_id, what in bzrlib.log.find_touching_revisions(b, file_id): print "%6d %s" % (revno, what) class cmd_ls(Command): """List files in a tree. TODO: Take a revision or remote path and list that tree instead. """ hidden = True def run(self, revision=None, verbose=False): b = find_branch('.') if revision == None: tree = b.working_tree() else: tree = b.revision_tree(b.lookup_revision(revision)) for fp, fc, kind, fid in tree.list_files(): if verbose: if kind == 'directory': kindch = '/' elif kind == 'file': kindch = '' else: kindch = '???' print '%-8s %s%s' % (fc, fp, kindch) else: print fp class cmd_unknowns(Command): """List unknown files.""" def run(self): from bzrlib.osutils import quotefn for f in find_branch('.').unknowns(): print quotefn(f) class cmd_ignore(Command): """Ignore a command or pattern. To remove patterns from the ignore list, edit the .bzrignore file. If the pattern contains a slash, it is compared to the whole path from the branch root. Otherwise, it is comapred to only the last component of the path. Ignore patterns are case-insensitive on case-insensitive systems. Note: wildcards must be quoted from the shell on Unix. examples: bzr ignore ./Makefile bzr ignore '*.class' """ takes_args = ['name_pattern'] def run(self, name_pattern): from bzrlib.atomicfile import AtomicFile import os.path b = find_branch('.') ifn = b.abspath('.bzrignore') if os.path.exists(ifn): f = open(ifn, 'rt') try: igns = f.read().decode('utf-8') finally: f.close() else: igns = '' # TODO: If the file already uses crlf-style termination, maybe # we should use that for the newly added lines? if igns and igns[-1] != '\n': igns += '\n' igns += name_pattern + '\n' try: f = AtomicFile(ifn, 'wt') f.write(igns.encode('utf-8')) f.commit() finally: f.close() inv = b.working_tree().inventory if inv.path2id('.bzrignore'): mutter('.bzrignore is already versioned') else: mutter('need to make new .bzrignore file versioned') b.add(['.bzrignore']) class cmd_ignored(Command): """List ignored files and the patterns that matched them. See also: bzr ignore""" def run(self): tree = find_branch('.').working_tree() for path, file_class, kind, file_id in tree.list_files(): if file_class != 'I': continue ## XXX: Slightly inefficient since this was already calculated pat = tree.is_ignored(path) print '%-50s %s' % (path, pat) class cmd_lookup_revision(Command): """Lookup the revision-id from a revision-number example: bzr lookup-revision 33 """ hidden = True takes_args = ['revno'] def run(self, revno): try: revno = int(revno) except ValueError: raise BzrCommandError("not a valid revision-number: %r" % revno) print find_branch('.').lookup_revision(revno) class cmd_export(Command): """Export past revision to destination directory. If no revision is specified this exports the last committed revision. Format may be an "exporter" name, such as tar, tgz, tbz2. If none is given, try to find the format with the extension. If no extension is found exports to a directory (equivalent to --format=dir). Root may be the top directory for tar, tgz and tbz2 formats. If none is given, the top directory will be the root name of the file.""" # TODO: list known exporters takes_args = ['dest'] takes_options = ['revision', 'format', 'root'] def run(self, dest, revision=None, format=None, root=None): import os.path b = find_branch('.') if revision is None: rev_id = b.last_patch() else: if len(revision) != 1: raise BzrError('bzr export --revision takes exactly 1 argument') revno, rev_id = b.get_revision_info(revision[0]) t = b.revision_tree(rev_id) root, ext = os.path.splitext(dest) if not format: if ext in (".tar",): format = "tar" elif ext in (".gz", ".tgz"): format = "tgz" elif ext in (".bz2", ".tbz2"): format = "tbz2" else: format = "dir" t.export(dest, format, root) class cmd_cat(Command): """Write a file's text from a previous revision.""" takes_options = ['revision'] takes_args = ['filename'] def run(self, filename, revision=None): if revision == None: raise BzrCommandError("bzr cat requires a revision number") elif len(revision) != 1: raise BzrCommandError("bzr cat --revision takes exactly one number") b = find_branch('.') b.print_file(b.relpath(filename), revision[0]) class cmd_local_time_offset(Command): """Show the offset in seconds from GMT to local time.""" hidden = True def run(self): print bzrlib.osutils.local_time_offset() class cmd_commit(Command): """Commit changes into a new revision. If selected files are specified, only changes to those files are committed. If a directory is specified then its contents are also committed. A selected-file commit may fail in some cases where the committed tree would be invalid, such as trying to commit a file in a newly-added directory that is not itself committed. TODO: Run hooks on tree to-be-committed, and after commit. TODO: Strict commit that fails if there are unknown or deleted files. """ takes_args = ['selected*'] takes_options = ['message', 'file', 'verbose', 'unchanged'] aliases = ['ci', 'checkin'] def run(self, message=None, file=None, verbose=True, selected_list=None, unchanged=False): from bzrlib.errors import PointlessCommit from bzrlib.osutils import get_text_message ## Warning: shadows builtin file() if not message and not file: import cStringIO stdout = sys.stdout catcher = cStringIO.StringIO() sys.stdout = catcher cmd_status({"file_list":selected_list}, {}) info = catcher.getvalue() sys.stdout = stdout message = get_text_message(info) if message is None: raise BzrCommandError("please specify a commit message", ["use either --message or --file"]) elif message and file: raise BzrCommandError("please specify either --message or --file") if file: import codecs message = codecs.open(file, 'rt', bzrlib.user_encoding).read() b = find_branch('.') try: b.commit(message, verbose=verbose, specific_files=selected_list, allow_pointless=unchanged) except PointlessCommit: # FIXME: This should really happen before the file is read in; # perhaps prepare the commit; get the message; then actually commit raise BzrCommandError("no changes to commit", ["use --unchanged to commit anyhow"]) class cmd_check(Command): """Validate consistency of branch history. This command checks various invariants about the branch storage to detect data corruption or bzr bugs. If given the --update flag, it will update some optional fields to help ensure data consistency. """ takes_args = ['dir?'] def run(self, dir='.'): from bzrlib.check import check check(find_branch(dir)) class cmd_scan_cache(Command): hidden = True def run(self): from bzrlib.hashcache import HashCache import os c = HashCache('.') c.read() c.scan() print '%6d stats' % c.stat_count print '%6d in hashcache' % len(c._cache) print '%6d files removed from cache' % c.removed_count print '%6d hashes updated' % c.update_count print '%6d files changed too recently to cache' % c.danger_count if c.needs_write: c.write() class cmd_upgrade(Command): """Upgrade branch storage to current format. This should normally be used only after the check command tells you to run it. """ takes_args = ['dir?'] def run(self, dir='.'): from bzrlib.upgrade import upgrade upgrade(find_branch(dir)) class cmd_whoami(Command): """Show bzr user id.""" takes_options = ['email'] def run(self, email=False): if email: print bzrlib.osutils.user_email() else: print bzrlib.osutils.username() class cmd_selftest(Command): """Run internal test suite""" hidden = True takes_options = ['verbose'] def run(self, verbose=False): from bzrlib.selftest import selftest return int(not selftest(verbose=verbose)) class cmd_version(Command): """Show version of bzr.""" def run(self): show_version() def show_version(): print "bzr (bazaar-ng) %s" % bzrlib.__version__ # is bzrlib itself in a branch? bzrrev = bzrlib.get_bzr_revision() if bzrrev: print " (bzr checkout, revision %d {%s})" % bzrrev print bzrlib.__copyright__ print "http://bazaar-ng.org/" print print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and" print "you may use, modify and redistribute it under the terms of the GNU" print "General Public License version 2 or later." class cmd_rocks(Command): """Statement of optimism.""" hidden = True def run(self): print "it sure does!" def parse_spec(spec): """ >>> parse_spec(None) [None, None] >>> parse_spec("./") ['./', None] >>> parse_spec("../@") ['..', -1] >>> parse_spec("../f/@35") ['../f', 35] >>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67') ['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67'] """ if spec is None: return [None, None] if '/@' in spec: parsed = spec.split('/@') assert len(parsed) == 2 if parsed[1] == "": parsed[1] = -1 else: try: parsed[1] = int(parsed[1]) except ValueError: pass # We can allow stuff like ./@revid:blahblahblah else: assert parsed[1] >=0 else: parsed = [spec, None] return parsed class cmd_merge(Command): """Perform a three-way merge of trees. The SPEC parameters are working tree or revision specifiers. Working trees are specified using standard paths or urls. No component of a directory path may begin with '@'. Working tree examples: '.', '..', 'foo@', but NOT 'foo/@bar' Revisions are specified using a dirname/@revno pair, where dirname is the branch directory and revno is the revision within that branch. If no revno is specified, the latest revision is used. Revision examples: './@127', 'foo/@', '../@1' The OTHER_SPEC parameter is required. If the BASE_SPEC parameter is not supplied, the common ancestor of OTHER_SPEC the current branch is used as the BASE. merge refuses to run if there are any uncommitted changes, unless --force is given. """ takes_args = ['other_spec', 'base_spec?'] takes_options = ['force'] def run(self, other_spec, base_spec=None, force=False): from bzrlib.merge import merge merge(parse_spec(other_spec), parse_spec(base_spec), check_clean=(not force)) class cmd_revert(Command): """Restore selected files from a previous revision. """ takes_args = ['file+'] def run(self, file_list): from bzrlib.branch import find_branch if not file_list: file_list = ['.'] b = find_branch(file_list[0]) b.revert([b.relpath(f) for f in file_list]) class cmd_merge_revert(Command): """Reverse all changes since the last commit. Only versioned files are affected. TODO: Store backups of any files that will be reverted, so that the revert can be undone. """ takes_options = ['revision'] def run(self, revision=None): from bzrlib.merge import merge if revision is None: revision = [-1] elif len(revision) != 1: raise BzrCommandError('bzr merge-revert --revision takes exactly 1 argument') merge(('.', revision[0]), parse_spec('.'), check_clean=False, ignore_zero=True) class cmd_assert_fail(Command): """Test reporting of assertion failures""" hidden = True def run(self): assert False, "always fails" class cmd_help(Command): """Show help on a command or other topic. For a list of all available commands, say 'bzr help commands'.""" takes_args = ['topic?'] aliases = ['?'] def run(self, topic=None): import help help.help(topic) class cmd_plugins(Command): """List plugins""" hidden = True def run(self): import bzrlib.plugin from inspect import getdoc from pprint import pprint for plugin in bzrlib.plugin.all_plugins: print plugin.__path__[0] d = getdoc(plugin) if d: print '\t', d.split('\n')[0] #pprint(bzrlib.plugin.all_plugins) # list of all available options; the rhs can be either None for an # option that takes no argument, or a constructor function that checks # the type. OPTIONS = { 'all': None, 'diff-options': str, 'help': None, 'file': unicode, 'force': None, 'format': unicode, 'forward': None, 'message': unicode, 'no-recurse': None, 'profile': None, 'revision': _parse_revision_str, 'show-ids': None, 'timezone': str, 'verbose': None, 'version': None, 'email': None, 'unchanged': None, 'update': None, 'long': None, 'root': str, } SHORT_OPTIONS = { 'F': 'file', 'h': 'help', 'm': 'message', 'r': 'revision', 'v': 'verbose', 'l': 'long', } def parse_args(argv): """Parse command line. Arguments and options are parsed at this level before being passed down to specific command handlers. This routine knows, from a lookup table, something about the available options, what optargs they take, and which commands will accept them. >>> parse_args('--help'.split()) ([], {'help': True}) >>> parse_args('--version'.split()) ([], {'version': True}) >>> parse_args('status --all'.split()) (['status'], {'all': True}) >>> parse_args('commit --message=biter'.split()) (['commit'], {'message': u'biter'}) >>> parse_args('log -r 500'.split()) (['log'], {'revision': [500]}) >>> parse_args('log -r500..600'.split()) (['log'], {'revision': [500, 600]}) >>> parse_args('log -vr500..600'.split()) (['log'], {'verbose': True, 'revision': [500, 600]}) >>> parse_args('log -rv500..600'.split()) #the r takes an argument (['log'], {'revision': ['v500', 600]}) """ args = [] opts = {} # TODO: Maybe handle '--' to end options? while argv: a = argv.pop(0) if a[0] == '-': # option names must not be unicode a = str(a) optarg = None if a[1] == '-': mutter(" got option %r" % a) if '=' in a: optname, optarg = a[2:].split('=', 1) else: optname = a[2:] if optname not in OPTIONS: raise BzrError('unknown long option %r' % a) else: shortopt = a[1:] if shortopt in SHORT_OPTIONS: # Multi-character options must have a space to delimit # their value optname = SHORT_OPTIONS[shortopt] else: # Single character short options, can be chained, # and have their value appended to their name shortopt = a[1:2] if shortopt not in SHORT_OPTIONS: # We didn't find the multi-character name, and we # didn't find the single char name raise BzrError('unknown short option %r' % a) optname = SHORT_OPTIONS[shortopt] if a[2:]: # There are extra things on this option # see if it is the value, or if it is another # short option optargfn = OPTIONS[optname] if optargfn is None: # This option does not take an argument, so the # next entry is another short option, pack it back # into the list argv.insert(0, '-' + a[2:]) else: # This option takes an argument, so pack it # into the array optarg = a[2:] if optname in opts: # XXX: Do we ever want to support this, e.g. for -r? raise BzrError('repeated option %r' % a) optargfn = OPTIONS[optname] if optargfn: if optarg == None: if not argv: raise BzrError('option %r needs an argument' % a) else: optarg = argv.pop(0) opts[optname] = optargfn(optarg) else: if optarg != None: raise BzrError('option %r takes no argument' % optname) opts[optname] = True else: args.append(a) return args, opts def _match_argform(cmd, takes_args, args): argdict = {} # step through args and takes_args, allowing appropriate 0-many matches for ap in takes_args: argname = ap[:-1] if ap[-1] == '?': if args: argdict[argname] = args.pop(0) elif ap[-1] == '*': # all remaining arguments if args: argdict[argname + '_list'] = args[:] args = [] else: argdict[argname + '_list'] = None elif ap[-1] == '+': if not args: raise BzrCommandError("command %r needs one or more %s" % (cmd, argname.upper())) else: argdict[argname + '_list'] = args[:] args = [] elif ap[-1] == '$': # all but one if len(args) < 2: raise BzrCommandError("command %r needs one or more %s" % (cmd, argname.upper())) argdict[argname + '_list'] = args[:-1] args[:-1] = [] else: # just a plain arg argname = ap if not args: raise BzrCommandError("command %r requires argument %s" % (cmd, argname.upper())) else: argdict[argname] = args.pop(0) if args: raise BzrCommandError("extra argument to command %s: %s" % (cmd, args[0])) return argdict def _parse_master_args(argv): """Parse the arguments that always go with the original command. These are things like bzr --no-plugins, etc. There are now 2 types of option flags. Ones that come *before* the command, and ones that come *after* the command. Ones coming *before* the command are applied against all possible commands. And are generally applied before plugins are loaded. The current list are: --builtin Allow plugins to load, but don't let them override builtin commands, they will still be allowed if they do not override a builtin. --no-plugins Don't load any plugins. This lets you get back to official source behavior. --profile Enable the hotspot profile before running the command. For backwards compatibility, this is also a non-master option. --version Spit out the version of bzr that is running and exit. This is also a non-master option. --help Run help and exit, also a non-master option (I think that should stay, though) >>> argv, opts = _parse_master_args(['bzr', '--test']) Traceback (most recent call last): ... BzrCommandError: Invalid master option: 'test' >>> argv, opts = _parse_master_args(['bzr', '--version', 'command']) >>> print argv ['command'] >>> print opts['version'] True >>> argv, opts = _parse_master_args(['bzr', '--profile', 'command', '--more-options']) >>> print argv ['command', '--more-options'] >>> print opts['profile'] True >>> argv, opts = _parse_master_args(['bzr', '--no-plugins', 'command']) >>> print argv ['command'] >>> print opts['no-plugins'] True >>> print opts['profile'] False >>> argv, opts = _parse_master_args(['bzr', 'command', '--profile']) >>> print argv ['command', '--profile'] >>> print opts['profile'] False """ master_opts = {'builtin':False, 'no-plugins':False, 'version':False, 'profile':False, 'help':False } # This is the point where we could hook into argv[0] to determine # what front-end is supposed to be run # For now, we are just ignoring it. cmd_name = argv.pop(0) for arg in argv[:]: if arg[:2] != '--': # at the first non-option, we return the rest break arg = arg[2:] # Remove '--' if arg not in master_opts: # We could say that this is not an error, that we should # just let it be handled by the main section instead raise BzrCommandError('Invalid master option: %r' % arg) argv.pop(0) # We are consuming this entry master_opts[arg] = True return argv, master_opts def run_bzr(argv): """Execute a command. This is similar to main(), but without all the trappings for logging and error handling. """ argv = [a.decode(bzrlib.user_encoding) for a in argv] try: # some options like --builtin and --no-plugins have special effects argv, master_opts = _parse_master_args(argv) if not master_opts['no-plugins']: from bzrlib.plugin import load_plugins load_plugins() args, opts = parse_args(argv) if master_opts['help']: from bzrlib.help import help if argv: help(argv[0]) else: help() return 0 if 'help' in opts: from bzrlib.help import help if args: help(args[0]) else: help() return 0 elif 'version' in opts: show_version() return 0 elif args and args[0] == 'builtin': include_plugins=False args = args[1:] cmd = str(args.pop(0)) except IndexError: import help help.help() return 1 plugins_override = not (master_opts['builtin']) canonical_cmd, cmd_class = get_cmd_class(cmd, plugins_override=plugins_override) profile = master_opts['profile'] # For backwards compatibility, I would rather stick with --profile being a # master/global option if 'profile' in opts: profile = True del opts['profile'] # check options are reasonable allowed = cmd_class.takes_options for oname in opts: if oname not in allowed: raise BzrCommandError("option '--%s' is not allowed for command %r" % (oname, cmd)) # mix arguments and options into one dictionary cmdargs = _match_argform(cmd, cmd_class.takes_args, args) cmdopts = {} for k, v in opts.items(): cmdopts[k.replace('-', '_')] = v if profile: import hotshot, tempfile pffileno, pfname = tempfile.mkstemp() try: prof = hotshot.Profile(pfname) ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0 prof.close() import hotshot.stats stats = hotshot.stats.load(pfname) #stats.strip_dirs() stats.sort_stats('time') ## XXX: Might like to write to stderr or the trace file instead but ## print_stats seems hardcoded to stdout stats.print_stats(20) return ret.status finally: os.close(pffileno) os.remove(pfname) else: return cmd_class(cmdopts, cmdargs).status def _report_exception(summary, quiet=False): import traceback log_error('bzr: ' + summary) bzrlib.trace.log_exception() if not quiet: tb = sys.exc_info()[2] exinfo = traceback.extract_tb(tb) if exinfo: sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3]) sys.stderr.write(' see ~/.bzr.log for debug information\n') def main(argv): bzrlib.trace.open_tracefile(argv) try: try: try: return run_bzr(argv) finally: # do this here inside the exception wrappers to catch EPIPE sys.stdout.flush() except BzrError, e: quiet = isinstance(e, (BzrCommandError)) _report_exception('error: ' + e.args[0], quiet=quiet) if len(e.args) > 1: for h in e.args[1]: # some explanation or hints log_error(' ' + h) return 1 except AssertionError, e: msg = 'assertion failed' if str(e): msg += ': ' + str(e) _report_exception(msg) return 2 except KeyboardInterrupt, e: _report_exception('interrupted', quiet=True) return 2 except Exception, e: import errno quiet = False if (isinstance(e, IOError) and hasattr(e, 'errno') and e.errno == errno.EPIPE): quiet = True msg = 'broken pipe' else: msg = str(e).rstrip('\n') _report_exception(msg, quiet) return 2 finally: bzrlib.trace.close_trace() if __name__ == '__main__': sys.exit(main(sys.argv))