mercurial/merge.py

27315:be48b7559422

                pas = [p1.ancestor(p2, warn=branchmerge)]

        fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)

        ### check phase
        if not overwrite and len(pl) > 1:
            raise error.Abort(_("outstanding uncommitted merge"))
        if branchmerge:
            if pas == [p2]:
                raise error.Abort(_("merging with a working directory ancestor"
                                   " has no effect"))
            elif pas == [p1]:

27316:777f668eca70

                pas = [p1.ancestor(p2, warn=branchmerge)]

        fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)

        ### check phase
        if not overwrite:
            if len(pl) > 1:
                raise error.Abort(_("outstanding uncommitted merge"))
            ms = mergestate.read(repo)
            if list(ms.unresolved()):
                raise error.Abort(_("outstanding merge conflicts"))
        if branchmerge:
            if pas == [p2]:
                raise error.Abort(_("merging with a working directory ancestor"
                                   " has no effect"))
            elif pas == [p1]: