[release script] Update changelog script

scripts/release/steps/update-changelog.js

@@ -4,9 +4,8 @@ const chalk = require("chalk");
 const dedent = require("dedent");
 const execa = require("execa");
 const fs = require("fs");
-const prsMergedSince = require("prs-merged-since");
 const semver = require("semver");
-const { logPromise, waitForEnter } = require("../utils");
+const { waitForEnter } = require("../utils");
 
 function getBlogPostInfo(version) {
   const date = new Date();
@@ -20,17 +19,6 @@ function getBlogPostInfo(version) {
   };
 }
 
-async function getMergedPrs(previousVersion) {
-  const prs = await prsMergedSince({
-    repo: "prettier/prettier",
-    tag: previousVersion,
-    githubApiToken: process.env.GITHUB_API_TOKEN
-  });
-  return prs
-    .map(pr => `- ${pr.title} ([#${pr.number}](${pr.html_url}))`)
-    .join("\n");
-}
-
 function writeChangelog({ version, previousVersion, releaseNotes }) {
   const changelog = fs.readFileSync("CHANGELOG.md", "utf-8");
   const newEntry = dedent`
@@ -65,28 +53,12 @@ module.exports = async function({ version, previousVersion }) {
       `)
     );
   } else {
-    if (!process.env.GITHUB_API_TOKEN) {
-      console.log(
-        chalk`{yellow warning} GitHub API access token missing. You can expose a token via {bold GITHUB_API_TOKEN} environment variable.`
-      );
-    }
-
-    const releaseNotes = await logPromise(
-      "Fetching merged PRs",
-      getMergedPrs(previousVersion)
-    );
-    writeChangelog({
-      version,
-      previousVersion,
-      releaseNotes
-    });
-    console.log();
     console.log(
       dedent(chalk`
         {yellow.bold A manual step is necessary.}
 
-        The script has updated the file {bold CHANGELOG.md} with all the merged PRs since the last release.
-        You must edit it to focus only on relevant changes and make sure they have meaningful titles.
+        You can copy the entries from {bold CHANGELOG.unreleased.md} to {bold CHANGELOG.md}
+        and update it accordingly.
 
         You don't need to commit the file, the script will take care of that.