From cea289b43230a13cdddc3fc4cfd8e356d5d768cd Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Wed, 4 Nov 2026 11:58:17 +0000
Subject: [PATCH] Return different exit code when a language is not recognised

---
 pr-checks/check-unchanged.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pr-checks/check-unchanged.ts b/pr-checks/check-unchanged.ts
index 809ddbb67..05ceb7ab4 100755
--- a/pr-checks/check-unchanged.ts
+++ b/pr-checks/check-unchanged.ts
@@ -144,6 +144,7 @@ async function main() {
     console.info("Success: YAML files are correctly formatted");
   } else {
     console.error(`Unknown language: ${options.language}`);
+    return 1;
   }
 
   return 0;