+sub begin_convert_from () {
+ my $head = get_head();
+ my ($ffqs, $ffqm, $symref, $ffq_prev, $gdrlast) = ffq_prev_branchinfo();
+
+ fail "ffq-prev exists, this is already managed by git-debrebase!"
+ if $ffq_prev && git_get_ref $ffq_prev;
+ return ($head, undef);
+}
+
+sub complete_convert_from ($$$$) {
+ my ($old_head, $new_head, $gi, $mrest) = @_;
+ ffq_check $new_head;
+ snags_maybe_bail();
+ update_head_checkout $old_head, $new_head, $mrest;
+}
+