1180 def named(repo, subset, x):

  1181     """``named(namespace)``

  1182     The changesets in a given namespace.

  1183 

  1184     If `namespace` starts with `re:`, the remainder of the string is treated as

  1185     a regular expression. To match a namespace that actually starts with `re:`,

  1186     use the prefix `literal:`.

  1187     """

  1188     # i18n: "named" is a keyword

  1189     args = getargs(x, 1, 1, _('named requires a namespace argument'))

  1190 

  1191     ns = getstring(args[0],

  1192                    # i18n: "named" is a keyword

  1193                    _('the argument to named must be a string'))

  1194     kind, pattern, matcher = _stringmatcher(ns)

  1195     namespaces = set()

  1196     if kind == 'literal':

  1197         if pattern not in repo.names:

  1198             raise util.Abort(_("namespace '%s' does not exist") % ns)

  1199         namespaces.add(repo.names[pattern])

  1200     else:

  1201         for name, ns in repo.names.iteritems():

  1202             if matcher(name):

  1203                 namespaces.add(ns)

  1204         if not namespaces:

  1205             raise util.Abort(_("no namespace exists that match '%s'")

  1206                              % pattern)

  1207 

  1208     names = set()

  1209     for ns in namespaces:

  1210         for name in ns.listnames(repo):

  1211             names.update(ns.nodes(repo, name))

  1212 

  1213     names -= set([node.nullrev])

  1214     return subset & names

  1215 

  1856     "named": named,