context has the commit message details in the payload
  @return {string} Returns the message with labels attached and assignees added
*/
const filter_action = async ({github, context, domain}) => {
  const labels = ['kokoro:force-run'];

  let assignees = [];
  const title = context.payload.pull_request && context.payload.pull_request.title;

/**
 * @module byCodeowner
 * @description Groups the PR's files' by owner based on the CODEOWNERs file.
 * @param {string[]} files - the gitStream's files context variable
 * @param {Object} pr - the gitStream's pr context variable
 * @param {string} token - access token with repo:read scope, used to read the CODEOWNERS file
 * @param {string} pathToCodeOwners - path from repo root to CODEOWNERS file
 * @returns {Map} - Map from owner name to list of files they own

/**
 * @module byPlatform
 * @description Groups the PR's files by platform based on the file's path.
 * @param {string[]} files - the gitStream's files context variable
 * @returns {Map} - Map from platform to list of files in this PR in it
 * @example {{ owners | byPlatform }}
 */
function byPlatform(files) {
    const result = new Map();
    files.forEach(file => {
        const platform = getPlatform(file);
        if (!result.has(platform)) {

const REGEX_SPLITALL_CRLF = /\r?\n/g
// /foo,
// ./foo,
// ../foo,
// .
// ..
const REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/

const SLASH = '/'

// Do not use ternary expression here, since "istanbul ignore next" is buggy
let TMP_KEY_IGNORE = 'node-ignore'
/* istanbul ignore else */
if (typeof Symbol !== 'undefined') {
    TMP_KEY_IGNORE = Symbol.for('node-ignore')
}
const KEY_IGNORE = TMP_KEY_IGNORE

SON"},converters:{"* text":String,"text html":!0,"text json":JSON.parse,"text xml":E.parseXML},flatOptions:{url:!0,context:!0}},ajaxSetup:function(e,t){return t?Bt(Bt(e,E.ajaxSettings),t):Bt(E.ajaxSettings,e)},ajaxPrefilter:Ft(Rt),ajaxTransport:Ft(Mt),ajax:function(e,t){"object"==typeof e&&(t=e,e=void 0),t=t||{};var c,f,p,n,d,r,h,g,i,o,y=E.ajaxSetup({},t),v=y.context||y,m=y.context&&(v.nodeType||v.jquery)?E(v):E.event,x=E.Deferred(),b=E.Callbacks("once memory"),w=y.statusCode||{},a={},s={},u="ca...

  @param {!object}
    github enables querying for PR and also create issue using rest endpoint
    context has the commit message details in the payload
  @return {string} Returns the issue number and title
*/
module.exports = async ({github, context}) => {
  const rollback_commit = context.payload.head_commit.id;
  const pr_match_groups = context.payload.head_commit.message.match(/\Rollback of PR #(\d+).*/) || [];
  if (pr_match_groups.length != 2) {

SON"},converters:{"* text":String,"text html":!0,"text json":JSON.parse,"text xml":E.parseXML},flatOptions:{url:!0,context:!0}},ajaxSetup:function(e,t){return t?Bt(Bt(e,E.ajaxSettings),t):Bt(E.ajaxSettings,e)},ajaxPrefilter:Ft(Rt),ajaxTransport:Ft(Mt),ajax:function(e,t){"object"==typeof e&&(t=e,e=void 0),t=t||{};var c,f,p,n,d,r,h,g,i,o,y=E.ajaxSetup({},t),v=y.context||y,m=y.context&&(v.nodeType||v.jquery)?E(v):E.event,x=E.Deferred(),b=E.Callbacks("once memory"),w=y.statusCode||{},a={},s={},u="ca...