gitlab-org--gitlab-foss/app/assets/javascripts/vue_merge_request_widget/queries/states/rebase.query.graphql

query rebaseQuery($projectPath: ID!, $iid: String!) {
  project(fullPath: $projectPath) {
    mergeRequest(iid: $iid) {
      rebaseInProgress
      targetBranch
      userPermissions {
        pushToSourceBranch
      }
    }
  }
}