debian-mirror-gitlab/app/assets/javascripts/pipeline_wizard/queries/get_file_meta.graphql

query GetFileMetadata($fullPath: ID!, $filePath: String!, $ref: String) {
  project(fullPath: $fullPath) {
    id
    repository {
      blobs(paths: [$filePath], ref: $ref) {
        nodes {
          id
        }
      }
    }
  }
}