Skip drafting release notes for versions older than the latest release.

RELNOTES: n/a
PiperOrigin-RevId: 569297630
Change-Id: Iaa270fbfd2c6acfb0f2e1f34f2efad58561c497b

scripts/release/create_closure_releases.ts

@@ -22,6 +22,8 @@
  * is simply invoked immediately.
  */
 
+import * as semver from 'semver';
+
 import {Change, GitClient} from './git_client';
 import {DraftReleaseOptions, GitHubClient} from './github_client';
 
@@ -247,6 +249,7 @@ export async function createClosureReleases(gitHubApiToken: string) {
   // Get the tag of the latest GitHub release.
   const from = await github.getLatestReleaseTag();
   const versionAtLastRelease = await getMajorVersionAtCommit(git, from);
+  const lastReleaseSemver = semver.coerce(versionAtLastRelease);
 
   // Get the list of commits since `from`.
   const commits = await git.listCommits({from, to: 'HEAD'});
@@ -260,6 +263,13 @@ export async function createClosureReleases(gitHubApiToken: string) {
   for (const commit of commits) {
     const version = await getMajorVersionAtCommit(git, commit.hash);
     seenCommits.push(commit);
+    if (lastReleaseSemver) {
+      const semverV = semver.coerce(version);
+      if (semverV && semver.lt(semverV, lastReleaseSemver)) {
+        // Skip versions that are older than the last version we released.
+        continue;
+      }
+    }
     if (!pJsonVersions.some((entry) => entry.version === version)) {
       pJsonVersions.push({
         version,

scripts/release/package.json

@@ -4,15 +4,18 @@
   "version": "1.0.0",
   "scripts": {
     "start": "ts-node create_closure_releases",
+    "debug": "node --inspect --inspect-brk -r ts-node/register create_closure_releases.ts",
     "test": "ts-node $(npm bin)/jasmine *_test.ts"
   },
   "dependencies": {
     "@octokit/rest": "^18.0.6",
+    "semver": "^7.5.4",
     "simple-git": "^3.16.0"
   },
   "devDependencies": {
     "@types/jasmine": "^3.6.0",
     "@types/node": "^14.11.2",
+    "@types/semver": "^7.5.3",
     "jasmine": "^3.6.2",
     "ts-node": "^10.9.1",
     "typescript": "^4.7.4"