comparison mercurial/branchmap.py @ 51532:a0ef462cf1a4

branchcache: filter obsolete revisions sooner

Since we won't do anything with the obsolete revisions, we can just ignore them
sooner.

51531:f85f23f1479b

        missing heads, and a generator of nodes that are strictly a superset of
        heads missing, this function updates self to be correct.
        """
        starttime = util.timer()
        cl = repo.changelog
        # collect new branch entries
        newbranches = {}
        getbranchinfo = repo.revbranchcache().branchinfo
        max_rev = -1
        for r in revgen:
            branch, closesbranch = getbranchinfo(r)
            newbranches.setdefault(branch, []).append(r)
            if closesbranch:
                self._closednodes.add(cl.node(r))
            max_rev = max(max_rev, r)
        if max_rev < 0:
            msg = "running branchcache.update without revision to update"
            raise error.ProgrammingError(msg)

        # Delay fetching the topological heads until they are needed.

        topoheads = None

        # If a changeset is visible, its parents must be visible too, so
        # use the faster unfiltered parent accessor.
        parentrevs = repo.unfiltered().changelog.parentrevs

        # Faster than using ctx.obsolete()
        obsrevs = obsolete.getrevs(repo, b'obsolete')

        for branch, newheadrevs in newbranches.items():
            # For every branch, compute the new branchheads.
            # A branchhead is a revision such that no descendant is on
            # the same branch.

            #   This computation is heavy and avoided if at all possible.
            bheads = self._entries.get(branch, [])
            bheadset = {cl.rev(node) for node in bheads}
            uncertain = set()
            for newrev in sorted(newheadrevs):
                if newrev in obsrevs:
                    # We ignore obsolete changesets as they shouldn't be
                    # considered heads.
                    continue

                if not bheadset:
                    bheadset.add(newrev)
                    continue

                parents = [p for p in parentrevs(newrev) if p != nullrev]

51532:a0ef462cf1a4

        missing heads, and a generator of nodes that are strictly a superset of
        heads missing, this function updates self to be correct.
        """
        starttime = util.timer()
        cl = repo.changelog
        # Faster than using ctx.obsolete()
        obsrevs = obsolete.getrevs(repo, b'obsolete')
        # collect new branch entries
        newbranches = {}
        getbranchinfo = repo.revbranchcache().branchinfo
        max_rev = -1
        for r in revgen:
            max_rev = max(max_rev, r)
            if r in obsrevs:
                # We ignore obsolete changesets as they shouldn't be
                # considered heads.
                continue
            branch, closesbranch = getbranchinfo(r)
            newbranches.setdefault(branch, []).append(r)
            if closesbranch:
                self._closednodes.add(cl.node(r))
        if max_rev < 0:
            msg = "running branchcache.update without revision to update"
            raise error.ProgrammingError(msg)

        # Delay fetching the topological heads until they are needed.

        topoheads = None

        # If a changeset is visible, its parents must be visible too, so
        # use the faster unfiltered parent accessor.
        parentrevs = repo.unfiltered().changelog.parentrevs

        for branch, newheadrevs in newbranches.items():
            # For every branch, compute the new branchheads.
            # A branchhead is a revision such that no descendant is on
            # the same branch.

            #   This computation is heavy and avoided if at all possible.
            bheads = self._entries.get(branch, [])
            bheadset = {cl.rev(node) for node in bheads}
            uncertain = set()
            for newrev in sorted(newheadrevs):
                if not bheadset:
                    bheadset.add(newrev)
                    continue

                parents = [p for p in parentrevs(newrev) if p != nullrev]