Check clang-format at CI stage

.gitlab-ci.yml

@@ -24,3 +24,13 @@ build_clazy_clang_tidy:
     - srcdir=`pwd` && mkdir -p /tmp/qca_build && cd /tmp/qca_build && CC=clang CXX=clazy CXXFLAGS="-Werror -Wno-deprecated-declarations" cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -G Ninja $srcdir && cat compile_commands.json | jq  '[.[] | select(.file | contains("'"$srcdir"'"))]' > compile_commands.aux.json && mv compile_commands.aux.json compile_commands.json
     - CLAZY_CHECKS="level0,level1,level2,no-copyable-polymorphic,no-ctor-missing-parent-argument,isempty-vs-count,qhash-with-char-pointer-key,qproperty-type-mismatch,qrequiredresult-candidates,signal-with-return-value,thread-with-slots,tr-non-literal,unneeded-cast" ninja
     - "run-clang-tidy -header-filter='.*/qca/.*' -checks='-*,performance-*,modernize-deprecated-headers,modernize-make-unique,modernize-make-shared,modernize-use-override,modernize-use-equals-delete,modernize-use-emplace,modernize-use-bool-literals,modernize-redundant-void-arg,modernize-loop-convert,modernize-use-nullptr' -config=\"{WarningsAsErrors: '*'}\""
+
+clang_format:
+  stage: build
+  image: debian:testing
+  before_script:
+    - apt-get update
+    - apt-get install --yes --no-install-recommends git clang-format-10
+  script:
+    - find . \( -name "*.cpp" -or -name "*.h"  -or -name "*.c"  -or -name "*.cc" \) -exec clang-format-10 -i {} \;
+    - git diff --exit-code