Mercurial > hg
view hgext/alias.py @ 8589:3edf133dcb5a
dirstate: skip step 3 in walk if nothing new will match
nothing will ever match on match.never
nothing new will match on match.exact (all found in step 1)
nothing new will match on match.match when
there is no pattern and
there is no direcory in pats
author | Simon Heimberg <simohe@besonet.ch> |
---|---|
date | Thu, 14 May 2009 19:54:26 +0200 |
parents | 5fbee915ea5d |
children |
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# Copyright (C) 2007 Brendan Cully <brendan@kublai.com> # This file is published under the GNU GPL. '''allow user-defined command aliases To use, create entries in your hgrc of the form [alias] mycmd = cmd --args ''' from mercurial.i18n import _ from mercurial import commands, cmdutil, error cmdtable = {} class RecursiveCommand(Exception): pass class lazycommand(object): '''defer command lookup until needed, so that extensions loaded after alias can be aliased''' def __init__(self, ui, name, target): self._ui = ui self._name = name self._target = target self._cmd = None def __len__(self): self._resolve() return len(self._cmd) def __getitem__(self, key): self._resolve() return self._cmd[key] def __iter__(self): self._resolve() return self._cmd.__iter__() def _resolve(self): if self._cmd is not None: return try: self._cmd = cmdutil.findcmd(self._target, commands.table, False)[1] if self._cmd == self: raise RecursiveCommand() if self._target in commands.norepo.split(' '): commands.norepo += ' %s' % self._name return except error.UnknownCommand: msg = _('*** [alias] %s: command %s is unknown') % \ (self._name, self._target) except error.AmbiguousCommand: msg = _('*** [alias] %s: command %s is ambiguous') % \ (self._name, self._target) except RecursiveCommand: msg = _('*** [alias] %s: circular dependency on %s') % \ (self._name, self._target) def nocmd(*args, **opts): self._ui.warn(msg + '\n') return 1 nocmd.__doc__ = msg self._cmd = (nocmd, [], '') commands.norepo += ' %s' % self._name def uisetup(ui): for cmd, target in ui.configitems('alias'): if not target: ui.warn(_('*** [alias] %s: no definition\n') % cmd) continue args = target.split(' ', 1) tcmd = args.pop(0) if args: args = args[0] defaults = ui.config('defaults', cmd) if defaults: args = ' '.join((args, defaults)) ui.setconfig('defaults', cmd, args) cmdtable[cmd] = lazycommand(ui, cmd, tcmd)