1130     if opts.get('rev'):

  1130     if opts.get('rev'):

  1131         revs = scmutil.revrange(repo, opts.get('rev'))

  1131         revs = scmutil.revrange(repo, opts.get('rev'))

  1132     elif follow:

  1132     elif follow:

  1133         revs = repo.revs('reverse(:.)')

  1133         revs = repo.revs('reverse(:.)')

  1134     else:

  1134     else:

  1136         revs.reverse()

  1136         revs.reverse()

  1137     if not revs:

  1137     if not revs:

  1138         return []

  1138         return []

  1139     wanted = set()

  1139     wanted = set()

  1140     slowpath = match.anypats() or (match.files() and opts.get('removed'))

  1140     slowpath = match.anypats() or (match.files() and opts.get('removed'))

  1141     fncache = {}

  1141     fncache = {}

  1142     change = repo.changectx

  1142     change = repo.changectx

  1143 

  1144 

  1144     # First step is to fill wanted, the set of revisions that we want to yield.

  1145     # First step is to fill wanted, the set of revisions that we want to yield.

  1145     # When it does not induce extra cost, we also fill fncache for revisions in

  1146     # When it does not induce extra cost, we also fill fncache for revisions in

  1146     # wanted: a cache of filenames that were changed (ctx.files()) and that

  1147     # wanted: a cache of filenames that were changed (ctx.files()) and that

  1147     # match the file filtering conditions.

  1148     # match the file filtering conditions.

  1469         possiblyunsorted = True

  1470         possiblyunsorted = True

  1470     else:

  1471     else:

  1471         if follow and len(repo) > 0:

  1472         if follow and len(repo) > 0:

  1472             revs = repo.revs('reverse(:.)')

  1473             revs = repo.revs('reverse(:.)')

  1473         else:

  1474         else:

  1475             revs.reverse()

  1476             revs.reverse()

  1476     if not revs:

  1477     if not revs:

  1477         return [], None, None

  1478         return [], None, None

  1478     expr, filematcher = _makegraphlogrevset(repo, pats, opts, revs)

  1480     expr, filematcher = _makegraphlogrevset(repo, pats, opts, revs)

  1479     if possiblyunsorted:

  1481     if possiblyunsorted:

  1480         revs.sort(reverse=True)

  1482         revs.sort(reverse=True)

  1481     if expr:

  1483     if expr:

  1482         # Revset matchers often operate faster on revisions in changelog

  1484         # Revset matchers often operate faster on revisions in changelog