diff -r 5ff1fc726848 -r c6bca38c1cbf eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/dispatch.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/dispatch.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,641 @@
+# dispatch.py - command dispatching for mercurial
+#
+# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+from i18n import _
+import os, sys, atexit, signal, pdb, socket, errno, shlex, time, traceback, re
+import util, commands, hg, fancyopts, extensions, hook, error
+import cmdutil, encoding
+import ui as uimod
+
+def run():
+    "run the command in sys.argv"
+    sys.exit(dispatch(sys.argv[1:]))
+
+def dispatch(args):
+    "run the command specified in args"
+    try:
+        u = uimod.ui()
+        if '--traceback' in args:
+            u.setconfig('ui', 'traceback', 'on')
+    except util.Abort, inst:
+        sys.stderr.write(_("abort: %s\n") % inst)
+        if inst.hint:
+            sys.stderr.write(_("(%s)\n") % inst.hint)
+        return -1
+    except error.ParseError, inst:
+        if len(inst.args) > 1:
+            sys.stderr.write(_("hg: parse error at %s: %s\n") %
+                             (inst.args[1], inst.args[0]))
+        else:
+            sys.stderr.write(_("hg: parse error: %s\n") % inst.args[0])
+        return -1
+    return _runcatch(u, args)
+
+def _runcatch(ui, args):
+    def catchterm(*args):
+        raise error.SignalInterrupt
+
+    try:
+        for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM':
+            num = getattr(signal, name, None)
+            if num:
+                signal.signal(num, catchterm)
+    except ValueError:
+        pass # happens if called in a thread
+
+    try:
+        try:
+            # enter the debugger before command execution
+            if '--debugger' in args:
+                ui.warn(_("entering debugger - "
+                        "type c to continue starting hg or h for help\n"))
+                pdb.set_trace()
+            try:
+                return _dispatch(ui, args)
+            finally:
+                ui.flush()
+        except:
+            # enter the debugger when we hit an exception
+            if '--debugger' in args:
+                traceback.print_exc()
+                pdb.post_mortem(sys.exc_info()[2])
+            ui.traceback()
+            raise
+
+    # Global exception handling, alphabetically
+    # Mercurial-specific first, followed by built-in and library exceptions
+    except error.AmbiguousCommand, inst:
+        ui.warn(_("hg: command '%s' is ambiguous:\n    %s\n") %
+                (inst.args[0], " ".join(inst.args[1])))
+    except error.ParseError, inst:
+        if len(inst.args) > 1:
+            ui.warn(_("hg: parse error at %s: %s\n") %
+                             (inst.args[1], inst.args[0]))
+        else:
+            ui.warn(_("hg: parse error: %s\n") % inst.args[0])
+        return -1
+    except error.LockHeld, inst:
+        if inst.errno == errno.ETIMEDOUT:
+            reason = _('timed out waiting for lock held by %s') % inst.locker
+        else:
+            reason = _('lock held by %s') % inst.locker
+        ui.warn(_("abort: %s: %s\n") % (inst.desc or inst.filename, reason))
+    except error.LockUnavailable, inst:
+        ui.warn(_("abort: could not lock %s: %s\n") %
+               (inst.desc or inst.filename, inst.strerror))
+    except error.CommandError, inst:
+        if inst.args[0]:
+            ui.warn(_("hg %s: %s\n") % (inst.args[0], inst.args[1]))
+            commands.help_(ui, inst.args[0])
+        else:
+            ui.warn(_("hg: %s\n") % inst.args[1])
+            commands.help_(ui, 'shortlist')
+    except error.RepoError, inst:
+        ui.warn(_("abort: %s!\n") % inst)
+    except error.ResponseError, inst:
+        ui.warn(_("abort: %s") % inst.args[0])
+        if not isinstance(inst.args[1], basestring):
+            ui.warn(" %r\n" % (inst.args[1],))
+        elif not inst.args[1]:
+            ui.warn(_(" empty string\n"))
+        else:
+            ui.warn("\n%r\n" % util.ellipsis(inst.args[1]))
+    except error.RevlogError, inst:
+        ui.warn(_("abort: %s!\n") % inst)
+    except error.SignalInterrupt:
+        ui.warn(_("killed!\n"))
+    except error.UnknownCommand, inst:
+        ui.warn(_("hg: unknown command '%s'\n") % inst.args[0])
+        try:
+            # check if the command is in a disabled extension
+            # (but don't check for extensions themselves)
+            commands.help_(ui, inst.args[0], unknowncmd=True)
+        except error.UnknownCommand:
+            commands.help_(ui, 'shortlist')
+    except util.Abort, inst:
+        ui.warn(_("abort: %s\n") % inst)
+        if inst.hint:
+            ui.warn(_("(%s)\n") % inst.hint)
+    except ImportError, inst:
+        ui.warn(_("abort: %s!\n") % inst)
+        m = str(inst).split()[-1]
+        if m in "mpatch bdiff".split():
+            ui.warn(_("(did you forget to compile extensions?)\n"))
+        elif m in "zlib".split():
+            ui.warn(_("(is your Python install correct?)\n"))
+    except IOError, inst:
+        if hasattr(inst, "code"):
+            ui.warn(_("abort: %s\n") % inst)
+        elif hasattr(inst, "reason"):
+            try: # usually it is in the form (errno, strerror)
+                reason = inst.reason.args[1]
+            except: # it might be anything, for example a string
+                reason = inst.reason
+            ui.warn(_("abort: error: %s\n") % reason)
+        elif hasattr(inst, "args") and inst.args[0] == errno.EPIPE:
+            if ui.debugflag:
+                ui.warn(_("broken pipe\n"))
+        elif getattr(inst, "strerror", None):
+            if getattr(inst, "filename", None):
+                ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename))
+            else:
+                ui.warn(_("abort: %s\n") % inst.strerror)
+        else:
+            raise
+    except OSError, inst:
+        if getattr(inst, "filename", None):
+            ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename))
+        else:
+            ui.warn(_("abort: %s\n") % inst.strerror)
+    except KeyboardInterrupt:
+        try:
+            ui.warn(_("interrupted!\n"))
+        except IOError, inst:
+            if inst.errno == errno.EPIPE:
+                if ui.debugflag:
+                    ui.warn(_("\nbroken pipe\n"))
+            else:
+                raise
+    except MemoryError:
+        ui.warn(_("abort: out of memory\n"))
+    except SystemExit, inst:
+        # Commands shouldn't sys.exit directly, but give a return code.
+        # Just in case catch this and and pass exit code to caller.
+        return inst.code
+    except socket.error, inst:
+        ui.warn(_("abort: %s\n") % inst.args[-1])
+    except:
+        ui.warn(_("** unknown exception encountered,"
+                  " please report by visiting\n"))
+        ui.warn(_("**  http://mercurial.selenic.com/wiki/BugTracker\n"))
+        ui.warn(_("** Python %s\n") % sys.version.replace('\n', ''))
+        ui.warn(_("** Mercurial Distributed SCM (version %s)\n")
+               % util.version())
+        ui.warn(_("** Extensions loaded: %s\n")
+               % ", ".join([x[0] for x in extensions.extensions()]))
+        raise
+
+    return -1
+
+def aliasargs(fn):
+    if hasattr(fn, 'args'):
+        return fn.args
+    return []
+
+class cmdalias(object):
+    def __init__(self, name, definition, cmdtable):
+        self.name = self.cmd = name
+        self.cmdname = ''
+        self.definition = definition
+        self.args = []
+        self.opts = []
+        self.help = ''
+        self.norepo = True
+        self.badalias = False
+
+        try:
+            aliases, entry = cmdutil.findcmd(self.name, cmdtable)
+            for alias, e in cmdtable.iteritems():
+                if e is entry:
+                    self.cmd = alias
+                    break
+            self.shadows = True
+        except error.UnknownCommand:
+            self.shadows = False
+
+        if not self.definition:
+            def fn(ui, *args):
+                ui.warn(_("no definition for alias '%s'\n") % self.name)
+                return 1
+            self.fn = fn
+            self.badalias = True
+
+            return
+
+        if self.definition.startswith('!'):
+            self.shell = True
+            def fn(ui, *args):
+                env = {'HG_ARGS': ' '.join((self.name,) + args)}
+                def _checkvar(m):
+                    if int(m.groups()[0]) <= len(args):
+                        return m.group()
+                    else:
+                        return ''
+                cmd = re.sub(r'\$(\d+)', _checkvar, self.definition[1:])
+                replace = dict((str(i + 1), arg) for i, arg in enumerate(args))
+                replace['0'] = self.name
+                replace['@'] = ' '.join(args)
+                cmd = util.interpolate(r'\$', replace, cmd)
+                return util.system(cmd, environ=env)
+            self.fn = fn
+            return
+
+        args = shlex.split(self.definition)
+        self.cmdname = cmd = args.pop(0)
+        args = map(util.expandpath, args)
+
+        for invalidarg in ("--cwd", "-R", "--repository", "--repo"):
+            if _earlygetopt([invalidarg], args):
+                def fn(ui, *args):
+                    ui.warn(_("error in definition for alias '%s': %s may only "
+                              "be given on the command line\n")
+                            % (self.name, invalidarg))
+                    return 1
+
+                self.fn = fn
+                self.badalias = True
+                return
+
+        try:
+            tableentry = cmdutil.findcmd(cmd, cmdtable, False)[1]
+            if len(tableentry) > 2:
+                self.fn, self.opts, self.help = tableentry
+            else:
+                self.fn, self.opts = tableentry
+
+            self.args = aliasargs(self.fn) + args
+            if cmd not in commands.norepo.split(' '):
+                self.norepo = False
+            if self.help.startswith("hg " + cmd):
+                # drop prefix in old-style help lines so hg shows the alias
+                self.help = self.help[4 + len(cmd):]
+            self.__doc__ = self.fn.__doc__
+
+        except error.UnknownCommand:
+            def fn(ui, *args):
+                ui.warn(_("alias '%s' resolves to unknown command '%s'\n") \
+                            % (self.name, cmd))
+                try:
+                    # check if the command is in a disabled extension
+                    commands.help_(ui, cmd, unknowncmd=True)
+                except error.UnknownCommand:
+                    pass
+                return 1
+            self.fn = fn
+            self.badalias = True
+        except error.AmbiguousCommand:
+            def fn(ui, *args):
+                ui.warn(_("alias '%s' resolves to ambiguous command '%s'\n") \
+                            % (self.name, cmd))
+                return 1
+            self.fn = fn
+            self.badalias = True
+
+    def __call__(self, ui, *args, **opts):
+        if self.shadows:
+            ui.debug("alias '%s' shadows command '%s'\n" %
+                     (self.name, self.cmdname))
+
+        if self.definition.startswith('!'):
+            return self.fn(ui, *args, **opts)
+        else:
+            try:
+                util.checksignature(self.fn)(ui, *args, **opts)
+            except error.SignatureError:
+                args = ' '.join([self.cmdname] + self.args)
+                ui.debug("alias '%s' expands to '%s'\n" % (self.name, args))
+                raise
+
+def addaliases(ui, cmdtable):
+    # aliases are processed after extensions have been loaded, so they
+    # may use extension commands. Aliases can also use other alias definitions,
+    # but only if they have been defined prior to the current definition.
+    for alias, definition in ui.configitems('alias'):
+        aliasdef = cmdalias(alias, definition, cmdtable)
+        cmdtable[aliasdef.cmd] = (aliasdef, aliasdef.opts, aliasdef.help)
+        if aliasdef.norepo:
+            commands.norepo += ' %s' % alias
+
+def _parse(ui, args):
+    options = {}
+    cmdoptions = {}
+
+    try:
+        args = fancyopts.fancyopts(args, commands.globalopts, options)
+    except fancyopts.getopt.GetoptError, inst:
+        raise error.CommandError(None, inst)
+
+    if args:
+        cmd, args = args[0], args[1:]
+        aliases, entry = cmdutil.findcmd(cmd, commands.table,
+                                     ui.config("ui", "strict"))
+        cmd = aliases[0]
+        args = aliasargs(entry[0]) + args
+        defaults = ui.config("defaults", cmd)
+        if defaults:
+            args = map(util.expandpath, shlex.split(defaults)) + args
+        c = list(entry[1])
+    else:
+        cmd = None
+        c = []
+
+    # combine global options into local
+    for o in commands.globalopts:
+        c.append((o[0], o[1], options[o[1]], o[3]))
+
+    try:
+        args = fancyopts.fancyopts(args, c, cmdoptions, True)
+    except fancyopts.getopt.GetoptError, inst:
+        raise error.CommandError(cmd, inst)
+
+    # separate global options back out
+    for o in commands.globalopts:
+        n = o[1]
+        options[n] = cmdoptions[n]
+        del cmdoptions[n]
+
+    return (cmd, cmd and entry[0] or None, args, options, cmdoptions)
+
+def _parseconfig(ui, config):
+    """parse the --config options from the command line"""
+    for cfg in config:
+        try:
+            name, value = cfg.split('=', 1)
+            section, name = name.split('.', 1)
+            if not section or not name:
+                raise IndexError
+            ui.setconfig(section, name, value)
+        except (IndexError, ValueError):
+            raise util.Abort(_('malformed --config option: %r '
+                               '(use --config section.name=value)') % cfg)
+
+def _earlygetopt(aliases, args):
+    """Return list of values for an option (or aliases).
+
+    The values are listed in the order they appear in args.
+    The options and values are removed from args.
+    """
+    try:
+        argcount = args.index("--")
+    except ValueError:
+        argcount = len(args)
+    shortopts = [opt for opt in aliases if len(opt) == 2]
+    values = []
+    pos = 0
+    while pos < argcount:
+        if args[pos] in aliases:
+            if pos + 1 >= argcount:
+                # ignore and let getopt report an error if there is no value
+                break
+            del args[pos]
+            values.append(args.pop(pos))
+            argcount -= 2
+        elif args[pos][:2] in shortopts:
+            # short option can have no following space, e.g. hg log -Rfoo
+            values.append(args.pop(pos)[2:])
+            argcount -= 1
+        else:
+            pos += 1
+    return values
+
+def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions):
+    # run pre-hook, and abort if it fails
+    ret = hook.hook(lui, repo, "pre-%s" % cmd, False, args=" ".join(fullargs),
+                    pats=cmdpats, opts=cmdoptions)
+    if ret:
+        return ret
+    ret = _runcommand(ui, options, cmd, d)
+    # run post-hook, passing command result
+    hook.hook(lui, repo, "post-%s" % cmd, False, args=" ".join(fullargs),
+              result=ret, pats=cmdpats, opts=cmdoptions)
+    return ret
+
+def _getlocal(ui, rpath):
+    """Return (path, local ui object) for the given target path.
+
+    Takes paths in [cwd]/.hg/hgrc into account."
+    """
+    try:
+        wd = os.getcwd()
+    except OSError, e:
+        raise util.Abort(_("error getting current working directory: %s") %
+                         e.strerror)
+    path = cmdutil.findrepo(wd) or ""
+    if not path:
+        lui = ui
+    else:
+        lui = ui.copy()
+        lui.readconfig(os.path.join(path, ".hg", "hgrc"), path)
+
+    if rpath:
+        path = lui.expandpath(rpath[-1])
+        lui = ui.copy()
+        lui.readconfig(os.path.join(path, ".hg", "hgrc"), path)
+
+    return path, lui
+
+def _checkshellalias(ui, args):
+    cwd = os.getcwd()
+    norepo = commands.norepo
+    options = {}
+
+    try:
+        args = fancyopts.fancyopts(args, commands.globalopts, options)
+    except fancyopts.getopt.GetoptError:
+        return
+
+    if not args:
+        return
+
+    _parseconfig(ui, options['config'])
+    if options['cwd']:
+        os.chdir(options['cwd'])
+
+    path, lui = _getlocal(ui, [options['repository']])
+
+    cmdtable = commands.table.copy()
+    addaliases(lui, cmdtable)
+
+    cmd = args[0]
+    try:
+        aliases, entry = cmdutil.findcmd(cmd, cmdtable, lui.config("ui", "strict"))
+    except (error.AmbiguousCommand, error.UnknownCommand):
+        commands.norepo = norepo
+        os.chdir(cwd)
+        return
+
+    cmd = aliases[0]
+    fn = entry[0]
+
+    if cmd and hasattr(fn, 'shell'):
+        d = lambda: fn(ui, *args[1:])
+        return lambda: runcommand(lui, None, cmd, args[:1], ui, options, d, [], {})
+
+    commands.norepo = norepo
+    os.chdir(cwd)
+
+_loaded = set()
+def _dispatch(ui, args):
+    shellaliasfn = _checkshellalias(ui, args)
+    if shellaliasfn:
+        return shellaliasfn()
+
+    # read --config before doing anything else
+    # (e.g. to change trust settings for reading .hg/hgrc)
+    _parseconfig(ui, _earlygetopt(['--config'], args))
+
+    # check for cwd
+    cwd = _earlygetopt(['--cwd'], args)
+    if cwd:
+        os.chdir(cwd[-1])
+
+    rpath = _earlygetopt(["-R", "--repository", "--repo"], args)
+    path, lui = _getlocal(ui, rpath)
+
+    # Configure extensions in phases: uisetup, extsetup, cmdtable, and
+    # reposetup. Programs like TortoiseHg will call _dispatch several
+    # times so we keep track of configured extensions in _loaded.
+    extensions.loadall(lui)
+    exts = [ext for ext in extensions.extensions() if ext[0] not in _loaded]
+    # Propagate any changes to lui.__class__ by extensions
+    ui.__class__ = lui.__class__
+
+    # (uisetup and extsetup are handled in extensions.loadall)
+
+    for name, module in exts:
+        cmdtable = getattr(module, 'cmdtable', {})
+        overrides = [cmd for cmd in cmdtable if cmd in commands.table]
+        if overrides:
+            ui.warn(_("extension '%s' overrides commands: %s\n")
+                    % (name, " ".join(overrides)))
+        commands.table.update(cmdtable)
+        _loaded.add(name)
+
+    # (reposetup is handled in hg.repository)
+
+    addaliases(lui, commands.table)
+
+    # check for fallback encoding
+    fallback = lui.config('ui', 'fallbackencoding')
+    if fallback:
+        encoding.fallbackencoding = fallback
+
+    fullargs = args
+    cmd, func, args, options, cmdoptions = _parse(lui, args)
+
+    if options["config"]:
+        raise util.Abort(_("option --config may not be abbreviated!"))
+    if options["cwd"]:
+        raise util.Abort(_("option --cwd may not be abbreviated!"))
+    if options["repository"]:
+        raise util.Abort(_(
+            "Option -R has to be separated from other options (e.g. not -qR) "
+            "and --repository may only be abbreviated as --repo!"))
+
+    if options["encoding"]:
+        encoding.encoding = options["encoding"]
+    if options["encodingmode"]:
+        encoding.encodingmode = options["encodingmode"]
+    if options["time"]:
+        def get_times():
+            t = os.times()
+            if t[4] == 0.0: # Windows leaves this as zero, so use time.clock()
+                t = (t[0], t[1], t[2], t[3], time.clock())
+            return t
+        s = get_times()
+        def print_time():
+            t = get_times()
+            ui.warn(_("Time: real %.3f secs (user %.3f+%.3f sys %.3f+%.3f)\n") %
+                (t[4]-s[4], t[0]-s[0], t[2]-s[2], t[1]-s[1], t[3]-s[3]))
+        atexit.register(print_time)
+
+    if options['verbose'] or options['debug'] or options['quiet']:
+        ui.setconfig('ui', 'verbose', str(bool(options['verbose'])))
+        ui.setconfig('ui', 'debug', str(bool(options['debug'])))
+        ui.setconfig('ui', 'quiet', str(bool(options['quiet'])))
+    if options['traceback']:
+        ui.setconfig('ui', 'traceback', 'on')
+    if options['noninteractive']:
+        ui.setconfig('ui', 'interactive', 'off')
+
+    if options['help']:
+        return commands.help_(ui, cmd, options['version'])
+    elif options['version']:
+        return commands.version_(ui)
+    elif not cmd:
+        return commands.help_(ui, 'shortlist')
+
+    repo = None
+    cmdpats = args[:]
+    if cmd not in commands.norepo.split():
+        try:
+            repo = hg.repository(ui, path=path)
+            ui = repo.ui
+            if not repo.local():
+                raise util.Abort(_("repository '%s' is not local") % path)
+            ui.setconfig("bundle", "mainreporoot", repo.root)
+        except error.RepoError:
+            if cmd not in commands.optionalrepo.split():
+                if args and not path: # try to infer -R from command args
+                    repos = map(cmdutil.findrepo, args)
+                    guess = repos[0]
+                    if guess and repos.count(guess) == len(repos):
+                        return _dispatch(ui, ['--repository', guess] + fullargs)
+                if not path:
+                    raise error.RepoError(_("There is no Mercurial repository"
+                                      " here (.hg not found)"))
+                raise
+        args.insert(0, repo)
+    elif rpath:
+        ui.warn(_("warning: --repository ignored\n"))
+
+    msg = ' '.join(' ' in a and repr(a) or a for a in fullargs)
+    ui.log("command", msg + "\n")
+    d = lambda: util.checksignature(func)(ui, *args, **cmdoptions)
+    return runcommand(lui, repo, cmd, fullargs, ui, options, d,
+                      cmdpats, cmdoptions)
+
+def _runcommand(ui, options, cmd, cmdfunc):
+    def checkargs():
+        try:
+            return cmdfunc()
+        except error.SignatureError:
+            raise error.CommandError(cmd, _("invalid arguments"))
+
+    if options['profile']:
+        format = ui.config('profiling', 'format', default='text')
+
+        if not format in ['text', 'kcachegrind']:
+            ui.warn(_("unrecognized profiling format '%s'"
+                        " - Ignored\n") % format)
+            format = 'text'
+
+        output = ui.config('profiling', 'output')
+
+        if output:
+            path = ui.expandpath(output)
+            ostream = open(path, 'wb')
+        else:
+            ostream = sys.stderr
+
+        try:
+            from mercurial import lsprof
+        except ImportError:
+            raise util.Abort(_(
+                'lsprof not available - install from '
+                'http://codespeak.net/svn/user/arigo/hack/misc/lsprof/'))
+        p = lsprof.Profiler()
+        p.enable(subcalls=True)
+        try:
+            return checkargs()
+        finally:
+            p.disable()
+
+            if format == 'kcachegrind':
+                import lsprofcalltree
+                calltree = lsprofcalltree.KCacheGrind(p)
+                calltree.output(ostream)
+            else:
+                # format == 'text'
+                stats = lsprof.Stats(p.getstats())
+                stats.sort()
+                stats.pprint(top=10, file=ostream, climit=5)
+
+            if output:
+                ostream.close()
+    else:
+        return checkargs()