+ my $scrapping_head;
+ if ($ffq_prev_commitish) {
+ $scrapping_head = get_head();
+ push @deferred_updates,
+ "update $gdrlast $ffq_prev_commitish $git_null_obj",
+ "update $ffq_prev $git_null_obj $ffq_prev_commitish";
+ }
+ if (!@deferred_updates) {