allReposWithFile.graphql

query {
  search(query: "user:therockstorm language:Scala", type: REPOSITORY, first: 10) {
    repositoryCount
    edges {
      node {
        ... on Repository {
          nameWithOwner
          protov: object(expression: "master:README.md") {
            ... on Blob {
              text
            }
          }
        }
      }
    }
  }
}