Exclude thirdparty scripts from clang-format checks.

.github/workflows/ci.yml

@@ -13,4 +13,4 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Run clang-format
-        run: scripts/run-clang-format.py -r src
+        run: scripts/check-code-formatting.sh

scripts/check-code-formatting.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+# Ensure we are in root directory
+basedir="$(readlink -f `dirname $0`/..)"
+cd $basedir
+
+scripts/run-clang-format.py -r src --exclude src/openloco/thirdparty