comparison mercurial/merge.py @ 5570:78a6b985882f

update: default to tipmost branch if default branch doesn't exist

5569:9e209193f18d

        if node is None:
            # tip of current branch
            try:
                node = repo.branchtags()[wc.branch()]
            except KeyError:
                raise util.Abort(_("branch %s not found") % wc.branch())
        overwrite = force and not branchmerge
        forcemerge = force and branchmerge
        pl = wc.parents()
        p1, p2 = pl[0], repo.changectx(node)
        pa = p1.ancestor(p2)

5570:78a6b985882f

        if node is None:
            # tip of current branch
            try:
                node = repo.branchtags()[wc.branch()]
            except KeyError:
                if wc.branch() == "default": # no default branch!
                    node = repo.lookup("tip") # update to tip
                else:
                    raise util.Abort(_("branch %s not found") % wc.branch())
        overwrite = force and not branchmerge
        forcemerge = force and branchmerge
        pl = wc.parents()
        p1, p2 = pl[0], repo.changectx(node)
        pa = p1.ancestor(p2)