mercurial/localrepo.py

17011:25f7d40fe735

    def _updatebranchcache(self, partial, ctxgen):
        # collect new branch entries
        newbranches = {}
        for c in ctxgen:
            newbranches.setdefault(c.branch(), []).append(c.node())
        # if older branchheads are reachable from new ones, they aren't
        # really branchheads. Note checking parents is insufficient:
        # 1 (branch a) -> 2 (branch b) -> 3 (branch a)
        for branch, newnodes in newbranches.iteritems():
            bheads = partial.setdefault(branch, [])
            bheads.extend(newnodes)
            if len(bheads) <= 1:
                continue
            bheads = sorted(bheads, key=lambda x: self[x].rev())
            # starting from tip means fewer passes over reachable
            while newnodes:
                latest = newnodes.pop()
                if latest not in bheads:
                    continue
                minbhnode = self[bheads[0]].node()
                cl = self.changelog
                ancestors = cl.ancestors([cl.rev(latest)],
                                          cl.rev(minbhnode))
                reachable = [cl.node(rev) for rev in ancestors]
                if reachable:
                    bheads = [b for b in bheads if b not in reachable]
            partial[branch] = bheads

    def lookup(self, key):
        return self[key].node()

    def lookupbranch(self, key, remote=None):

17012:ea97744c4801

    def _updatebranchcache(self, partial, ctxgen):
        # collect new branch entries
        newbranches = {}
        for c in ctxgen:
            newbranches.setdefault(c.branch(), []).append(c.rev())
        # if older branchheads are reachable from new ones, they aren't
        # really branchheads. Note checking parents is insufficient:
        # 1 (branch a) -> 2 (branch b) -> 3 (branch a)
        for branch, newrevs in newbranches.iteritems():
            bheadrevs = [self.changelog.rev(node) for node in
                         partial.setdefault(branch, [])]
            bheadrevs.extend(newrevs)
            bheadrevs.sort()
            # starting from tip means fewer passes over ancestors
            newrevs.sort()
            while newrevs:
                latest = newrevs.pop()
                if latest not in bheadrevs:
                    continue
                ancestors = set(self.changelog.ancestors([latest],
                                                         bheadrevs[0]))
                if ancestors:
                    bheadrevs = [b for b in bheadrevs if b not in ancestors]
            partial[branch] = [self.changelog.node(rev) for rev in bheadrevs]

    def lookup(self, key):
        return self[key].node()

    def lookupbranch(self, key, remote=None):