clang analysis on GitHub Actions

.ci/format_script.sh

@@ -2,7 +2,6 @@
 
 set -ex
 
-BASE_COMMIT=$(git rev-parse $TRAVIS_BRANCH)
 echo "Running clang-format against branch $TRAVIS_BRANCH, with hash $BASE_COMMIT"
 COMMIT_FILES=$(git diff --name-only $BASE_COMMIT | grep -i -v LinkDef)
 RESULT_OUTPUT="$(git-clang-format --commit $BASE_COMMIT --diff --binary `which clang-format` $COMMIT_FILES)"

.github/workflows/code_analysis.yml

@@ -0,0 +1,23 @@
+name: clang-tools code analysis
+
+on: pull_request
+  # push:
+  #   branches: [ $default-branch ]
+  # pull_request:
+  #   branches: [ $default-branch ]
+
+jobs:
+  clang-format:
+    runs-on: ubuntu-latest
+    env:
+      TRAVIS_BRANCH: ${{ github.base_ref }} 
+      TRAVIS_PULL_REQUEST_BRANCH: ${{ github.head_ref }}
+      BASE_COMMIT: ${{ github.event.pull_request.base.sha }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Fetch base_ref HEAD
+      run: git fetch --depth=1 origin +refs/heads/${{github.base_ref}}:refs/remotes/origin/${{github.base_ref}}
+    - name: install clang-format
+      run: sudo apt-get install -y clang-format
+    - name: run clang-format script
+      run: .ci/format_script.sh

.travis.yml

@@ -23,7 +23,11 @@ matrix:
   include:
     - env: TOOL=clang-format
       script: &format_script
-        - if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then .ci/format_script.sh; fi
+        - |
+          if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
+            export BASE_COMMIT=$(git rev-parse $TRAVIS_BRANCH)
+            .ci/format_script.sh
+          fi
 
     - env: TOOL=clang-tidy-analyzer
       before_script: &copy_headers