feat(CI): Run clang-tidy check in CI

.ci-scripts/build-qtox-linux.sh

@@ -28,6 +28,7 @@ while (( $# > 0 )); do
     --minimal) MINIMAL=1 ; shift ;;
     --full) MINIMAL=0; shift ;;
     --sanitize) SANITIZE=1; shift ;;
+    --tidy) TIDY=1; shift;;
     --build-type) BUILD_TYPE=$2; shift 2 ;;
     --help|-h) usage; exit 1 ;;
     *) echo "Unexpected argument $1"; usage; exit 1 ;;
@@ -51,6 +52,15 @@ if [ ! -z ${SANITIZE+x} ]; then
     SANITIZE_ARGS="-DASAN=ON"
 fi
 
+if [ ! -z ${TIDY+x} ]; then
+    export CXX=clang++
+    export CC=clang
+    COMPILE_COMMANDS="-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
+else
+    COMPILE_COMMANDS=""
+fi
+
+
 SRCDIR=/qtox
 export CTEST_OUTPUT_ON_FAILURE=1
 
@@ -60,6 +70,7 @@ if [ $MINIMAL -eq 1 ]; then
         -DSMILEYS=DISABLED \
         -DSTRICT_OPTIONS=ON \
         -DSPELL_CHECK=OFF \
+        ${COMPILE_COMMANDS} \
         $SANITIZE_ARGS
 else
     cmake "$SRCDIR" \
@@ -68,8 +79,15 @@ else
         -DSTRICT_OPTIONS=ON \
         -DCODE_COVERAGE=ON \
         -DDESKTOP_NOTIFICATIONS=ON \
+        ${COMPILE_COMMANDS} \
         $SANITIZE_ARGS
 fi
 
 cmake --build . -- -j $(nproc)
-ctest -j$(nproc)
+
+if [ ! -z ${TIDY+x} ]; then
+    run-clang-tidy -header-filter=.* src/ audio/src/ audio/include test/src/ \
+        test/include util/src/ util/include/
+else
+    ctest -j$(nproc)
+fi

.github/workflows/build-test-deploy.yaml

@@ -124,6 +124,22 @@ jobs:
           docker_image_name: fedora
       - name: Run build
         run: docker-compose run --rm fedora ./.ci-scripts/build-qtox-linux.sh --build-type ${{ matrix.build_type }} --${{ matrix.features }} --sanitize
+  clang-tidy:
+    name: Clang-Tidy
+    runs-on: ubuntu-latest
+    needs: build-fedora-docker
+    strategy:
+      matrix:
+        features: [full, minimal]
+        build_type: [Debug, Release]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/load-docker-image
+        name: Load docker image
+        with:
+          docker_image_name: fedora
+      - name: Run build
+        run: docker-compose run --rm fedora ./.ci-scripts/build-qtox-linux.sh --build-type ${{ matrix.build_type }} --${{ matrix.features }} --tidy
   build-opensuse:
     name: Opensuse
     runs-on: ubuntu-latest

buildscripts/docker/Dockerfile.fedora

@@ -20,6 +20,8 @@ RUN dnf --nodocs -y install dnf-plugins-core && \
     dnf --nodocs -y install \
         cmake \
         make \
+        clang \
+        clang-tools-extra \
         gcc \
         gcc-c++ \
         git \