crustify; check formatting in CI

.github/workflows/CI-unixish.yml

@@ -22,6 +22,20 @@ jobs:
         with:
           python-version: 3.9
 
+      - name: Cache uncrustify
+        uses: actions/cache@v2
+        id: cache-uncrustify
+        with:
+          path: |
+            ~/uncrustify
+          key: ${{ runner.os }}-uncrustify
+
+      - name: build uncrustify
+        if: steps.cache-uncrustify.outputs.cache-hit != 'true'
+        run: |
+          wget https://github.com/uncrustify/uncrustify/archive/refs/tags/uncrustify-0.72.0.tar.gz
+          tar xzvf uncrustify-0.72.0.tar.gz && cd uncrustify-uncrustify-0.72.0 && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j$(nproc) -s && mkdir ~/uncrustify && cp uncrustify ~/uncrustify/
+
       - name: Install missing software on ubuntu 18.04
         if: matrix.os == 'ubuntu-18.04'
         run: |
@@ -54,6 +68,10 @@ jobs:
         with:
           modules: 'qtcharts'
 
+      - name: Uncrustify check
+        run: |
+          ~/uncrustify/uncrustify -c .uncrustify.cfg -l CPP --check */*.cpp */*.h
+
       - name: Test CMake build
         run: |
           mkdir cmake.output
@@ -183,3 +201,4 @@ jobs:
         run: |
           pushd oss-fuzz
           make -j$(nproc) CXX=clang++ CXXFLAGS="-fsanitize=address" fuzz-client translate
+