fix: skip docker login if config already mounted

Signed-off-by: Artur Troian <[email protected]>

entrypoint.sh

@@ -19,7 +19,7 @@ fi
 
 if [[ -f $DOCKER_CREDS_FILE ]]; then
 	if jq < "$DOCKER_CREDS_FILE" >/dev/null 2>&1 ; then
-	    # shellcheck disable=SC2046
+		# shellcheck disable=SC2046
 		# shellcheck disable=SC2162
 		while read user pass registry ; do
 			echo "$pass" | docker login --username "$user" --password-stdin "$registry"
@@ -46,30 +46,32 @@ if [ -n "$GORELEASER_GITHUB_TOKEN" ] ; then
 	export GITHUB_TOKEN=$GORELEASER_GITHUB_TOKEN
 fi
 
-if [ -n "$GITHUB_TOKEN" ]; then
-	# Log into GitHub package registry
-	echo "$GITHUB_TOKEN" | docker login docker.pkg.github.com -u docker --password-stdin
-	echo "$GITHUB_TOKEN" | docker login ghcr.io -u docker --password-stdin
-fi
+if [[ ! -f /root/.docker/config.json ]]; then
+    if [ -n "$GITHUB_TOKEN" ]; then
+        # Log into GitHub package registry
+        echo "$GITHUB_TOKEN" | docker login docker.pkg.github.com -u docker --password-stdin
+        echo "$GITHUB_TOKEN" | docker login ghcr.io -u docker --password-stdin
+    fi
 
-if [ -n "$CI_REGISTRY_PASSWORD" ]; then
-	# Log into GitLab registry
-	echo "$CI_REGISTRY_PASSWORD" | docker login "$CI_REGISTRY" -u "$CI_REGISTRY_USER" --password-stdin
+    if [ -n "$CI_REGISTRY_PASSWORD" ]; then
+        # Log into GitLab registry
+        echo "$CI_REGISTRY_PASSWORD" | docker login "$CI_REGISTRY" -u "$CI_REGISTRY_USER" --password-stdin
+    fi
 fi
 
 case "$(uname -m)" in
-    x86_64|amd64)
-        CC=x86_64-linux-gnu-gcc
-        CXX=x86_64-linux-gnu-g++
-        ;;
-    arm64|aarch64)
-        CC=aarch64-linux-gnu-gcc
-        CXX=aarch64-linux-gnu-g++
-    ;;
-    *)
-        echo "goreleaser-cross supports only amd64/arm64 hosts"
-        exit 1
-        ;;
+	x86_64|amd64)
+		CC=x86_64-linux-gnu-gcc
+		CXX=x86_64-linux-gnu-g++
+		;;
+	arm64|aarch64)
+		CC=aarch64-linux-gnu-gcc
+		CXX=aarch64-linux-gnu-g++
+	;;
+	*)
+	    echo "goreleaser-cross supports only amd64/arm64 hosts"
+	    exit 1
+	    ;;
 esac
 
 export CC