abuild: verify: only check strongest checksum which is present

abuild.in

@@ -299,7 +299,7 @@ md5check() {
 # verify checksums
 verify() {
 	local verified=false algo=
-	for algo in md5 sha1 sha256 sha512; do
+	for algo in sha512 sha256 sha1 md5; do
 		local sums=
 		eval sums=\"\$${algo}sums\"
 		if [ -z "$sums" ] || [ -z "$source" ]; then
@@ -307,6 +307,7 @@ verify() {
 		fi
 		sumcheck "$algo" "$sums" || return 1
 		verified=true
+		break
 	done
 	if [ -n "$source" ] && ! $verified; then
 		die "Use 'abuild checksum' to generate/update the checksum(s)"