Add clang-format github action

.github/workflows/clang-format.yml

@@ -0,0 +1,41 @@
+name: Check code format
+
+on: [push, pull_request]
+
+jobs:
+ build:
+ name: Check with clang-format
+ runs-on: ubuntu-latest
+ steps:
+ - name: Get Ripes
+ uses: actions/checkout@v2
+ with:
+ submodules: recursive
+ fetch-depth: 2
+ - name: clang-format
+ run: |
+ # Run clang-format
+ CHANGED_FILES=`git diff --name-only -r HEAD~ | grep -E '.(c|cpp|h|hpp)$' | xargs`
+ echo "Changed files: $CHANGED_FILES"
+ [ -z "$CHANGED_FILES" ] && exit 0
+ clang-format -i $CHANGED_FILES
+ git diff > clang-format.patch
+ if [ -s clang-format.patch ]; then
+ echo "Clang-format found formatting problems in the following files. See diff in the clang-format.patch artifact."
+ git diff --name-only 
+ exit 1
+ fi
+ echo "Clang-format found no formatting problems"
+ exit 0
+ - name: Upload clang-format patch
+ uses: actions/upload-artifact@v2
+ if: ${{ failure() }}
+ # Unfortunately, artifact uploads are always zips :(
+ with:
+ name: clang-format-patch
+ path: clang-format.patch
+ - name: clang-format patch display
+ if: ${{ failure() }}
+ run: |
+ # Display patch
+ cat clang-format.patch