Add format checker action

.github/workflows/format_check.yml

@@ -0,0 +1,25 @@
+name: Check format of code
+
+on:
+ pull_request:
+ paths:
+ # Always trigger all Github Actions if an action or something CI related was changed
+ - ".github/workflows/**"
+ - "tools/ci/**"
+ - ".clang-format"
+ # This workflow should run when a file in a source directory has been modified.
+ - "src/**"
+
+jobs:
+ clang-format:
+ # Github Actions checks for '[ci skip]', '[skip ci]', '[no ci]', '[skip actions]', or '[actions skip]' but not a hyphenated version.
+ # It's a catch-all incase a Pull Request has been opened and someone is on auto-pilot.
+ if: "!contains(github.event.head_commit.message, 'ci-skip')"
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/[email protected]
+ with:
+ repository: ${{ github.event.pull_request.head.repo.full_name }}
+ ref: ${{ github.event.pull_request.head.ref }}
+ - name: Check format
+ run: ./tools/ci/check-format.sh

tools/ci/check-format.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+SHOULD_EXIT=0
+
+# only check files in common for now
+for FILE in $(ls src/common/*.hpp src/common/*.cpp)
+do
+ CHANGES=$(diff -u <(cat $FILE) <(clang-format $FILE))
+ if [ -n "$CHANGES" ]; then
+ echo "File $FILE is not formatted correctly"
+ echo "$CHANGES"
+ SHOULD_EXIT=1
+ fi
+done
+
+if [ $SHOULD_EXIT -eq 1 ]; then
+ echo "Some files are not formatted correctly, please run clang-format"
+ exit 1
+fi
+echo "All files are formatted correctly"