infra: getPrNumber fix (#357)

const parse = require("parse-diff");

require("dotenv").config();

const parsePullRequestId = (githubRef) => {

  const result = /refs\/pull\/(\d+)\/merge/g.exec(githubRef);

  if (!result) {

    console.log("Reference not found.");

    return 297;

function getPrNumber() {

  const pullRequest = github.context.payload.pull_request;

  if (!pullRequest) {

    return undefined;

  }

  return pullRequest.number;

}

  const [, pullRequestId] = result;

  return pullRequestId;

};

async function run() {

  try {

    const token = core.getInput("token");

    const octokit = github.getOctokit(token || process.env.PERSONAL_TOKEN);

    const pullRequestId = parsePullRequestId(process.env.GITHUB_REF);

    const pullRequestId = getPrNumber();

    if (!pullRequestId) {

      console.log("PR not found");

      return;

    }

    let res = await octokit.pulls.get({

      owner: "anuraghazra",