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#!/usr/bin/env node --redirect-warnings=/dev/null const { execFileSync } = require("child_process");let { GITHUB_ACCESS_TOKEN } = process.env;const GITHUB_URL = "https://github.com";const SKIPPABLE_NOTE_REGEX = /^\s*-?\s*n\/?a\s*/ims;const PULL_REQUEST_WEB_URL = "https://github.com/zed-industries/zed/pull";const PULL_REQUEST_API_URL =  "https://api.github.com/repos/zed-industries/zed/pulls";const DIVIDER = "-".repeat(80); main(); async function main() {  if (!GITHUB_ACCESS_TOKEN) {    try {      GITHUB_ACCESS_TOKEN = execFileSync("gh", ["auth", "token"]).toString();    } catch (error) {      console.log(error);      console.log("No GITHUB_ACCESS_TOKEN, and no `gh auth token`");      process.exit(1);    }  }   const STAFF_MEMBERS = new Set(    (      await (        await fetch(          "https://api.github.com/orgs/zed-industries/teams/staff/members",          {            headers: {              Authorization: `token ${GITHUB_ACCESS_TOKEN}`,              Accept: "application/vnd.github+json",            },          },        )      ).json()    ).map(({ login }) => login.toLowerCase()),  );   const isStaffMember = (githubHandle) => {    githubHandle = githubHandle.toLowerCase();    return STAFF_MEMBERS.has(githubHandle);  };   // Get the last two preview tags  const [newTag, oldTag] = execFileSync(    "git",    ["tag", "--sort", "-committerdate"],    { encoding: "utf8" },  )    .split("\n")    .filter((t) => t.startsWith("v") && t.endsWith("-pre"));   // Print the previous release  console.log(`Changes from ${oldTag} to ${newTag}\n`);   // Get the PRs merged between those two tags.  const pullRequestNumbers = getPullRequestNumbers(oldTag, newTag);   // Get the PRs that were cherry-picked between main and the old tag.  const existingPullRequestNumbers = new Set(    getPullRequestNumbers("main", oldTag),  );   // Filter out those existing PRs from the set of new PRs.  const newPullRequestNumbers = pullRequestNumbers.filter(    (number) => !existingPullRequestNumbers.has(number),  );   // Fetch the pull requests from the GitHub API.  console.log("Merged Pull requests:");  console.log(DIVIDER);  for (const pullRequestNumber of newPullRequestNumbers) {    const pullRequestApiURL = `${PULL_REQUEST_API_URL}/${pullRequestNumber}`;     const response = await fetch(pullRequestApiURL, {      headers: {        Authorization: `token ${GITHUB_ACCESS_TOKEN}`,      },    });     const pullRequest = await response.json();    const releaseNotesHeader = /^\s*Release Notes:(.+)/ims;     const releaseNotes = pullRequest.body || "";    let contributor =      pullRequest.user?.login ?? "Unable to identify contributor";    const captures = releaseNotesHeader.exec(releaseNotes);    let notes = captures ? captures[1] : "MISSING";    notes = notes.trim();    const isStaff = isStaffMember(contributor);     if (SKIPPABLE_NOTE_REGEX.exec(notes) != null) {      continue;    }     const credit = getCreditString(pullRequestNumber, contributor, isStaff);    contributor = isStaff ? `${contributor} (staff)` : contributor;     console.log(`PR Title: ${pullRequest.title}`);    console.log(`Contributor: ${contributor}`);    console.log(`Credit: (${credit})`);     console.log("Release Notes:");    console.log();    console.log(notes);     console.log(DIVIDER);  }} function getCreditString(pullRequestNumber, contributor, isStaff) {  let credit = "";   if (pullRequestNumber) {    const pullRequestMarkdownLink = `[#${pullRequestNumber}](${PULL_REQUEST_WEB_URL}/${pullRequestNumber})`;    credit += pullRequestMarkdownLink;  }   if (contributor && !isStaff) {    const contributorMarkdownLink = `[${contributor}](${GITHUB_URL}/${contributor})`;    credit += `; thanks ${contributorMarkdownLink}`;  }   return credit;} function getPullRequestNumbers(oldTag, newTag) {  const pullRequestNumbers = execFileSync(    "git",    ["log", `${oldTag}..${newTag}`, "--oneline"],    { encoding: "utf8" },  )    .split("\n")    .filter((line) => line.length > 0)    .map((line) => {      const match = line.match(/#(\d+)/);      return match ? match[1] : null;    })    .filter((line) => line);   return pullRequestNumbers;}