ci: compare clang-tidy against PR base

Author: zjw1111

.github/workflows/build_and_test.yaml

@@ -56,8 +56,10 @@ jobs:
           - name: clang-debug
             cc: clang
             cxx: clang++
-            fetch_depth: 0
-            build_args: --check_clang_tidy
+            fetch_depth: 0 # fetch the PR target branch history for clang-tidy
+            build_args: >-
+              --check_clang_tidy
+              --lint_git_target_commit "origin/${{ github.base_ref || github.event.repository.default_branch }}"
     steps:
       - name: Checkout paimon-cpp
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1

ci/scripts/build_paimon.sh

@@ -17,7 +17,7 @@
 set -eux
 
 usage() {
-    echo "Usage: $0 --source_dir <path> [--enable_asan] [--enable_ubsan] [--enable_tsan] [--check_clang_tidy] [--build_type <type>]"
+    echo "Usage: $0 --source_dir <path> [--enable_asan] [--enable_ubsan] [--enable_tsan] [--check_clang_tidy] [--build_type <type>] [--lint_git_target_commit <commit-or-branch>]"
 }
 
 source_dir=""
@@ -26,6 +26,7 @@ enable_ubsan="false"
 enable_tsan="false"
 check_clang_tidy="false"
 build_type="Debug"
+lint_git_target_commit="origin/main"
 
 while [[ $# -gt 0 ]]; do
     case "$1" in
@@ -63,6 +64,15 @@ while [[ $# -gt 0 ]]; do
             build_type=$2
             shift 2
             ;;
+        --lint_git_target_commit)
+            if [[ $# -lt 2 ]]; then
+                echo "Missing value for --lint_git_target_commit" >&2
+                usage >&2
+                exit 1
+            fi
+            lint_git_target_commit=$2
+            shift 2
+            ;;
         -h | --help)
             usage
             exit 0
@@ -126,6 +136,7 @@ CMAKE_ARGS=(
     "-DPAIMON_ENABLE_LUMINA=${ENABLE_LUMINA}"
     "-DPAIMON_ENABLE_LUCENE=ON"
     "-DPAIMON_ENABLE_TANTIVY=${ENABLE_TANTIVY}"
+    "-DPAIMON_LINT_GIT_TARGET_COMMIT=${lint_git_target_commit}"
 )
 
 if [[ "${enable_asan}" == "true" ]]; then