Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/revset.py @ 16825:b6ef1395d77f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
revset: avoid validating all tag nodes for tag(x) This generally causes the entire node->rev table to get built when we're only interested in one node.
author Matt Mackall <mpm@selenic.com>
date Fri, 01 Jun 2012 15:13:05 -0500
parents f3b8c82a559c
children cafd8a8fb713
comparison
equal deleted inserted replaced
16824:f3b8c82a559c 16825:b6ef1395d77f
1212 pattern = getstring(args[0], 1212 pattern = getstring(args[0],
1213 # i18n: "tag" is a keyword 1213 # i18n: "tag" is a keyword
1214 _('the argument to tag must be a string')) 1214 _('the argument to tag must be a string'))
1215 kind, pattern, matcher = _stringmatcher(pattern) 1215 kind, pattern, matcher = _stringmatcher(pattern)
1216 if kind == 'literal': 1216 if kind == 'literal':
1217 if not repo.tags().get(pattern, None): 1217 # avoid resolving all tags
1218 tn = repo._tagscache.tags.get(pattern, None)
1219 if tn is None:
1218 raise util.Abort(_("tag '%s' does not exist") % pattern) 1220 raise util.Abort(_("tag '%s' does not exist") % pattern)
1219 s = set([cl.rev(n) for t, n in repo.tagslist() if t == pattern]) 1221 s = set([repo[tn].rev()])
1220 else: 1222 else:
1221 s = set([cl.rev(n) for t, n in repo.tagslist() if matcher(t)]) 1223 s = set([cl.rev(n) for t, n in repo.tagslist() if matcher(t)])
1222 if not s: 1224 if not s:
1223 raise util.Abort(_("no tags exist that match '%s'") % pattern) 1225 raise util.Abort(_("no tags exist that match '%s'") % pattern)
1224 else: 1226 else: