[core] Reference commits in changelog when no PR (mui#44115)

Signed-off-by: Olivier Tassinari <[email protected]>

scripts/releaseChangelog.mjs

@@ -59,6 +59,10 @@ async function findLatestTaggedVersion() {
   return stdout.trim();
 }
 
+// Match commit messages like:
+// "[docs] Fix small typo on Grid2 page (#44062)"
+const prLinkRegEx = /\(#[0-9]+\)$/;
+
 async function main(argv) {
   const { githubToken, lastRelease: lastReleaseInput, release, repo } = argv;
 
@@ -156,7 +160,13 @@ async function main(argv) {
     return aTags.localeCompare(bTags);
   });
   const changes = commitsItems.map((commitsItem) => {
-    const shortMessage = commitsItem.commit.message.split('\n')[0];
+    let shortMessage = commitsItem.commit.message.split('\n')[0];
+
+    // If the commit message doesn't have an associated PR, add the commit sha for reference.
+    if (!prLinkRegEx.test(shortMessage)) {
+      shortMessage += ` (${commitsItem.sha.substring(0, 7)})`;
+    }
+
     return `- ${shortMessage} @${getAuthor(commitsItem)}`;
   });
   const nowFormatted = new Date().toLocaleDateString('en-US', {