isTaggedVersion checks if the commit has a version tag on it

Summary: Changelog: [Internal] Add a `isTaggedVersion` function to filter out commits from release automation.

Reviewed By: sota000

Differential Revision: D32842035

fbshipit-source-id: 14bb262a1d2a96ffda87c759a3202c4f9a356141

Author: Luna Wei

scripts/__tests__/version-utils-test.js

@@ -11,6 +11,7 @@ const {
   parseVersion,
   getNextVersionFromTags,
   isTaggedLatest,
+  isTaggedVersion,
   isReleaseBranch,
 } = require('../version-utils');
 
@@ -24,6 +25,33 @@ jest.mock('shelljs', () => ({
 }));
 
 describe('version-utils', () => {
+  describe('isTaggedVersion', () => {
+    it('should return true on pre-release versions', () => {
+      execResult = 'v0.66.0-rc.3\nlatest\n\n';
+      expect(isTaggedVersion('6c19dc3266b84f47a076b647a1c93b3c3b69d2c5')).toBe(
+        true,
+      );
+    });
+    it('should return true on release versions', () => {
+      execResult = 'latest\nv0.66.2\n\n';
+      expect(isTaggedVersion('6c19dc3266b84f47a076b647a1c93b3c3b69d2c5')).toBe(
+        true,
+      );
+    });
+    it('should return false when no tags', () => {
+      execResult = '\n';
+      expect(isTaggedVersion('6c19dc3266b84f47a076b647a1c93b3c3b69d2c5')).toBe(
+        false,
+      );
+    });
+    it('should return false on tags that are not versions', () => {
+      execResult = 'latest\n0.someother-made-up-tag\n\n';
+      expect(isTaggedVersion('6c19dc3266b84f47a076b647a1c93b3c3b69d2c5')).toBe(
+        false,
+      );
+    });
+  });
+
   describe('isReleaseBranch', () => {
     it('should identify as release branch', () => {
       expect(isReleaseBranch('v0.66-stable')).toBe(true);

scripts/prepare-package-for-release.js

@@ -11,6 +11,7 @@
 
 /**
  * This script prepares a release package to be pushed to npm
+ * It is run by CircleCI on a push to a release branch
  * It will:
  *    * It updates the version in json/gradle files and makes sure they are consistent between each other (set-rn-version)
  *    * Updates podfile for RNTester
@@ -22,6 +23,7 @@ const yargs = require('yargs');
 const {
   isReleaseBranch,
   isTaggedLatest,
+  isTaggedVersion,
   getNextVersionFromTags,
 } = require('./version-utils');
 
@@ -33,6 +35,15 @@ const argv = yargs.option('r', {
   default: 'origin',
 }).argv;
 
+// We do this check to prevent a loop of commit in this script to trigger the job again.
+// I haven't figured out a way for CircleCI to filter out commits from CircleCI jobs
+if (isTaggedVersion(currentCommit)) {
+  console.log(
+    'Skip running prepare-package-for-release as this job was triggered from previous run of this script.',
+  );
+  exit(0);
+}
+
 if (!isReleaseBranch(branch)) {
   console.error('This needs to be on a release branch');
   exit(1);

scripts/version-utils.js

@@ -9,8 +9,10 @@
 
 const {exec} = require('shelljs');
 
+const VERSION_REGEX = /^v?((\d+)\.(\d+)\.(\d+)(?:-(.+))?)$/;
+
 function parseVersion(versionStr) {
-  const match = versionStr.match(/^v?((\d+)\.(\d+)\.(\d+)(?:-(.+))?)$/);
+  const match = versionStr.match(VERSION_REGEX);
   if (!match) {
     throw new Error(
       `You must pass a correctly formatted version; couldn't parse ${versionStr}`,
@@ -72,6 +74,15 @@ function isReleaseBranch(branch) {
   return branch.endsWith('-stable');
 }
 
+function isTaggedVersion(commitSha) {
+  const tags = exec(`git tag --points-at ${commitSha}`, {
+    silent: true,
+  })
+    .stdout.trim()
+    .split('\n');
+  return tags.some(tag => !!tag.match(VERSION_REGEX));
+}
+
 function isTaggedLatest(commitSha) {
   return (
     exec(`git rev-list -1 latest | grep ${commitSha}`, {
@@ -82,6 +93,7 @@ function isTaggedLatest(commitSha) {
 
 module.exports = {
   isTaggedLatest,
+  isTaggedVersion,
   parseVersion,
   getNextVersionFromTags,
   isReleaseBranch,