Remove stale references

pusher

@@ -168,6 +168,19 @@ for m in "${!pq[@]}"; do
 	fi
 done
 
+for m in "${!rq[@]}"; do
+	[ "${#modules[@]}" -eq 0 -o -n "${modules[$m]}" ] || continue
+	if [ -z "${pq[$m]}" ]; then
+		log_info "delete remote request $m"
+		if ! git send-pack --force "$push_url" ":refs/heads/update_$m"; then
+			echo "failed to push $m update" >&2
+			ret=1
+			continue
+		fi
+		did_push=1
+	fi
+done
+
 if [ -n "$did_push" ]; then
 	log_info "Updating remote $PUSH_REMOTE"
 	git remote update -p "$PUSH_REMOTE" > /dev/null

updatemodules

@@ -161,6 +161,14 @@ fi
 declare -A pq
 makedict pq git for-each-ref 'refs/pq/*' --format '%(refname)'
 
+for r in "${!pq[@]}"; do
+	m="${r##*/}"
+	if [ -z "${revs[$m]}" ] && ! isnew "$m" && ! todrop "$m"; then
+		log_info "remove stale update entry for $m"
+		git update-ref -d "$r"
+	fi
+done
+
 # check remotes for updates
 declare -A commits
 treetext=$(git cat-file -p "$REMOTE/$BASE_BRANCH^{tree}")