Add devnulls and fix login function's log output.

.drone.yml

@@ -28,7 +28,7 @@ steps:
     privileged: true
     environment:
       REGISTRY: code.pztrn.name
-      REGISTRY_PROJECT: /containers/mirrors
+      REGISTRY_PROJECT: /containers/mirror
       REGISTRY_USERNAME: drone
       REGISTRY_PASSWORD:
         from_secret: drone_secret

mirror.sh

@@ -105,7 +105,7 @@ function get_arm64_image() {
 
 function login_to_registry() {
 	# Login to registry.
-	echo "Logging into '${REGISTRY}' as '${USER}'..."
+	echo "Logging into '${REGISTRY}' as '${REGISTRY_USERNAME}'..."
 	docker login -u "${REGISTRY_USERNAME}" -p "${REGISTRY_PASSWORD}" "${REGISTRY}"
 }
 
@@ -132,12 +132,16 @@ function mirror() {
 function push_multiarch_image() {
 	local image=$1
 
-	if ! docker push "${REMOTE_IMAGE}"-amd64; then
+	if ! docker push "${REMOTE_IMAGE}"-amd64 &> /dev/null; then
 		echo -e "\t! amd64 image push failed!"
+	else
+		echo -e "\t* amd64 image pushed"
 	fi
 
-	if ! docker push "${REMOTE_IMAGE}"-arm64; then
+	if ! docker push "${REMOTE_IMAGE}"-arm64 &> /dev/null; then
 		echo -e "\t! arm64 image push failed!"
+	else
+		echo -e "\t* arm64 image pushed"
 	fi
 
 	if [ ${MULTIARCH} -eq 1 ]; then