comparison mercurial/dispatch.py @ 8655:21688b8a594b

Move alias into core

8654:f6cc3638f468

        if p == oldp:
            return None

    return p

def _parse(ui, args):
    options = {}
    cmdoptions = {}

    try:

    if args:
        cmd, args = args[0], args[1:]
        aliases, i = cmdutil.findcmd(cmd, commands.table,
                                     ui.config("ui", "strict"))
        cmd = aliases[0]
        defaults = ui.config("defaults", cmd)
        if defaults:
            args = shlex.split(defaults) + args
        c = list(i[1])
    else:

        if overrides:
            ui.warn(_("extension '%s' overrides commands: %s\n")
                    % (name, " ".join(overrides)))
        commands.table.update(cmdtable)
        _loaded.add(name)
    # check for fallback encoding
    fallback = lui.config('ui', 'fallbackencoding')
    if fallback:
        encoding.fallbackencoding = fallback

8655:21688b8a594b

        if p == oldp:
            return None

    return p

def aliasargs(fn):
    if hasattr(fn, 'args'):
        return fn.args
    return []

class cmdalias(object):
    def __init__(self, name, definition, cmdtable):
        self.name = name
        self.definition = definition
        self.args = []
        self.opts = []
        self.help = ''
        self.norepo = True

        try:
            cmdutil.findcmd(self.name, cmdtable, True)
            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

            return

        args = shlex.split(self.definition)
        cmd = args.pop(0)
        opts = []
        help = ''

        try:
            self.fn, self.opts, self.help = cmdutil.findcmd(cmd, cmdtable, False)[1]
            self.args = aliasargs(self.fn) + args
            if cmd not in commands.norepo.split(' '):
                self.norepo = False
        except error.UnknownCommand:
            def fn(ui, *args):
                ui.warn(_("alias '%s' resolves to unknown command '%s'\n") \
                            % (self.name, cmd))
                return 1
            self.fn = fn
        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

    def __call__(self, ui, *args, **opts):
        if self.shadows:
            ui.debug(_("alias '%s' shadows command\n") % self.name)

        return self.fn(ui, *args, **opts)

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[alias] = (aliasdef, aliasdef.opts, aliasdef.help)
        if aliasdef.norepo:
            commands.norepo += ' %s' % alias

def _parse(ui, args):
    options = {}
    cmdoptions = {}

    try:

    if args:
        cmd, args = args[0], args[1:]
        aliases, i = cmdutil.findcmd(cmd, commands.table,
                                     ui.config("ui", "strict"))
        cmd = aliases[0]
        args = aliasargs(i[0]) + args
        defaults = ui.config("defaults", cmd)
        if defaults:
            args = shlex.split(defaults) + args
        c = list(i[1])
    else:

        if overrides:
            ui.warn(_("extension '%s' overrides commands: %s\n")
                    % (name, " ".join(overrides)))
        commands.table.update(cmdtable)
        _loaded.add(name)

    addaliases(lui, commands.table)

    # check for fallback encoding
    fallback = lui.config('ui', 'fallbackencoding')
    if fallback:
        encoding.fallbackencoding = fallback