Pass the job if no warnings

Author: shmokmt

script.sh

@@ -55,6 +55,11 @@ for docker_file in "${docker_files[@]}" ; do
     echo "::group:: result of build --check"
     echo "$check_result"
     echo "::endgroups::"
+    warnings=$(echo "$check_result" | jq '.warnings')
+    if [[ "$warnings" == "null" ]]; then
+        echo "No warnings found in ${docker_file}"
+        continue
+    fi
     echo "$check_result" | jq "$docker_build_jq" \
       | reviewdog -f=rdjson -name="docker-build-check" \
         -reporter="${INPUT_REPORTER}" \

testdata/no_warnings/Dockerfile

@@ -0,0 +1 @@
+FROM alpine