From 07915c6b253fdee0a666ee6da78da4d375ef03bf Mon Sep 17 00:00:00 2001
From: Nikhil Kuriakose <nikhilkuria@gmail.com>
Date: Wed, 27 Aug 2025 22:03:33 +0200
Subject: [PATCH] ci: Support experiment versions in github actions
 (no-changelog) (#18562)

---
 .github/scripts/bump-versions.mjs       | 21 +++++++++++++++++++--
 .github/scripts/update-changelog.mjs    |  1 +
 .github/workflows/release-create-pr.yml |  1 +
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/.github/scripts/bump-versions.mjs b/.github/scripts/bump-versions.mjs
index 8e7acc21eb..6c24c4b97f 100644
--- a/.github/scripts/bump-versions.mjs
+++ b/.github/scripts/bump-versions.mjs
@@ -7,9 +7,24 @@ import assert from 'assert';
 
 const exec = promisify(child_process.exec);
 
+function generateExperimentalVersion(currentVersion) {
+	const parsed = semver.parse(currentVersion);
+	if (!parsed) throw new Error(`Invalid version: ${currentVersion}`);
+
+	// Check if it's already an experimental version
+	if (parsed.prerelease.length > 0 && parsed.prerelease[0] === 'exp') {
+		// Increment the experimental minor version
+		const expMinor = (parsed.prerelease[1] || 0) + 1;
+		return `${parsed.major}.${parsed.minor}.${parsed.patch}-exp.${expMinor}`;
+	}
+
+	// Create new experimental version: <major>.<minor>.<patch>-exp.0
+	return `${parsed.major}.${parsed.minor}.${parsed.patch}-exp.0`;
+}
+
 const rootDir = process.cwd();
 const releaseType = process.env.RELEASE_TYPE;
-assert.match(releaseType, /^(patch|minor|major)$/, 'Invalid RELEASE_TYPE');
+assert.match(releaseType, /^(patch|minor|major|experimental)$/, 'Invalid RELEASE_TYPE');
 
 // TODO: if releaseType is `auto` determine release type based on the changelog
 
@@ -46,7 +61,9 @@ for (const packageName in packageMap) {
 		Object.keys(packageJson.dependencies || {}).some(
 			(dependencyName) => packageMap[dependencyName]?.isDirty,
 		)
-			? semver.inc(version, releaseType)
+			? releaseType === 'experimental'
+				? generateExperimentalVersion(version)
+				: semver.inc(version, releaseType)
 			: version;
 
 	await writeFile(packageFile, JSON.stringify(packageJson, null, 2) + '\n');
diff --git a/.github/scripts/update-changelog.mjs b/.github/scripts/update-changelog.mjs
index 8b84725932..52a25f6ecf 100644
--- a/.github/scripts/update-changelog.mjs
+++ b/.github/scripts/update-changelog.mjs
@@ -9,6 +9,7 @@ import packageJson from '../../package.json' with { type: 'json' };
 
 const baseDir = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
 const fullChangelogFile = resolve(baseDir, 'CHANGELOG.md');
+// Version includes experimental versions (e.g., 1.2.3-exp.0)
 const versionChangelogFile = resolve(baseDir, `CHANGELOG-${packageJson.version}.md`);
 
 const changelogStream = conventionalChangelog({
diff --git a/.github/workflows/release-create-pr.yml b/.github/workflows/release-create-pr.yml
index bafb51461c..bb5e6098eb 100644
--- a/.github/workflows/release-create-pr.yml
+++ b/.github/workflows/release-create-pr.yml
@@ -17,6 +17,7 @@ on:
           - patch
           - minor
           - major
+          - experimental
 
 jobs:
   create-release-pr: