ci: move bulk of clang-tidy logic to tools/clang-tidy.sh

This should make it easier to run clang-check/clang-tidy locally.

.gitlab-ci.yml

@@ -12,11 +12,8 @@ default:
 
 clang-tidy:
   stage: check
-  variables:
-    IDF_TOOLCHAIN: "clang"
   script:
-    - "idf.py build"
-    - "idf.py clang-check"
+    - "bash tools/clang-tidy.sh"
     - "python3 tools/codequal-report.py clang-tidy warnings.txt > cqual.json"
   artifacts:
     when: always

tools/clang-tidy.sh

+#!/usr/bin/env bash
+set -e -x
+
+if [ ! -f sdkconfig.defaults ] || [ ! -f recovery/sdkconfig.defaults ]; then
+    echo >/dev/stderr "Run this script for the root of the repository (ie. tools/clang-tidy.sh)."
+    exit 1
+fi
+
+export IDF_TOOLCHAIN=clang
+idf.py -B clang-build reconfigure
+# Minimum mpy build to generate includes.
+( cd clang-build ;\
+    ninja genhdr/qstrdefs.generated.h ;\
+    ninja genhdr/root_pointers.h ;\
+    ninja genhdr/moduledefs.h )
+idf.py -B clang-build clang-check