set -e

unset GREP_OPTIONS

echo "========================================"

echo " Checkstyle 增量检查"

echo " 扫描范围：本次变更的 Java 文件（完整文件）"

echo "========================================"

if [ -n "${GITHUB_BASE_REF:-}" ]; then

BASE_BRANCH="origin/$GITHUB_BASE_REF"

elif [ "${GITHUB_EVENT_NAME:-}" == "push" ]; then

BASE_BRANCH="${EVENT_BEFORE:-}"

HEAD_COMMIT="${EVENT_SHA:-${GITHUB_SHA:-HEAD}}"

if [ -z "$BASE_BRANCH" ] || [ "$BASE_BRANCH" == "0000000000000000000000000000000000000000" ]; then

BASE_BRANCH="FULL_SCAN"

fi

if git rev-parse --verify origin/main >/dev/null 2>&1; then

BASE_BRANCH="origin/main"

elif git rev-parse --verify origin/develop >/dev/null 2>&1; then

BASE_BRANCH="origin/develop"

else

echo "❌ 无法确定目标分支，请设置 BASE_BRANCH 环境变量。"

exit 1

fi

echo "🔍 本地运行模式，对比分支: $BASE_BRANCH"

if [ "$BASE_BRANCH" == "FULL_SCAN" ]; then

CHANGED_FILES=$(find . -type f \( -path '*/src/main/java/*.java' -o -path '*/src/test/java/*.java' \) -print | sed 's|^./||' | sort)

elif [ "${GITHUB_EVENT_NAME:-}" == "push" ]; then

if ! CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRT "$BASE_BRANCH" "$HEAD_COMMIT" -- '*.java'); then

echo "❌ 无法比较提交 $BASE_BRANCH 与 $HEAD_COMMIT。"

exit 1

fi

if ! CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRT "$BASE_BRANCH"...HEAD -- '*.java'); then

echo "❌ 无法比较基线 $BASE_BRANCH 与 HEAD。"

exit 1

fi

if [ -z "$CHANGED_FILES" ]; then

echo "✅ 没有 Java 文件变更，跳过检查。"

exit 0

echo "📝 变更的 Java 文件："

echo "$CHANGED_FILES"

echo "----------------------------------------"

declare -A module_files

for file in $CHANGED_FILES; do

module="${file%%/*}"

if [ -z "$module" ] || [ "$module" == "$file" ]; then

echo "⚠️ 忽略根目录文件: $file"

continue

fi

rel="${file#$module/}"

case "$rel" in

src/main/java/*)

include="${rel#src/main/java/}"

;;

src/test/java/*)

include="${rel#src/test/java/}"

;;

*)

echo "⚠️ 跳过非源码目录 Java 文件: $file"

continue

;;

esac

if [ -z "${module_files[$module]}" ]; then

module_files[$module]="$include"

else

module_files[$module]="${module_files[$module]},$include"

fi

if [ ${#module_files[@]} -eq 0 ]; then

echo "⚠️ 没有识别到任何模块，跳过检查。"

exit 0

echo "📝 按模块分组后的相对路径："

for module in "${!module_files[@]}"; do

echo " $module: ${module_files[$module]}"

echo "----------------------------------------"

total_violations=0

execution_failures=0

for module in "${!module_files[@]}"; do

file_list="${module_files[$module]}"

report_file="$module/target/checkstyle-result.xml"

echo "🚀 扫描模块: $module"

echo " 文件列表: $file_list"

if [ ! -d "$module" ] || [ ! -f "$module/pom.xml" ]; then

echo "⚠️ 模块目录 $module 不存在或没有 pom.xml，跳过。"

continue

fi

echo " - 运行 Checkstyle 检查（增量扫描）..."

echo "$file_list"

set +e

PROJECT_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || pwd)

rm -f "$report_file"

output=$(cd "$module" && \

mvn_exit=$?

if [ $mvn_exit -ne 0 ]; then

echo " ⚠️ 模块 $module 的 Checkstyle 检查失败（但继续）"

fi

set -e

echo "$output"

# 从 XML 报告中统计违规数，比解析 Maven 日志更稳定

if [ -f "$report_file" ]; then

count=$(grep -c -- '<error ' "$report_file" 2>/dev/null || true)

else

count=0

fi

total_violations=$((total_violations + count))

echo " 模块 $module 违规数: $count"

if [ $mvn_exit -ne 0 ] && [ "$count" -eq 0 ]; then

echo " ❌ 模块 $module 的 Checkstyle 执行失败，且未生成可解析的违规报告。"

execution_failures=$((execution_failures + 1))

fi

# （可选）生成 HTML 报告供人工查看

echo " - 生成 HTML 报告（可选）..."

set +e

(cd "$module" && mvn -f "$PROJECT_ROOT/pom.xml" -pl "$module" checkstyle:checkstyle \

-Dcheckstyle.config.location="$PROJECT_ROOT/checkstyle/code-check-checkstyle.xml" \

-Dcheckstyle.includes="$file_list" \

-Dcheckstyle.violationSeverity=warning) > /dev/null 2>&1

set -e

echo ""

echo "----------------------------------------"

if [ $total_violations -eq 0 ]; then

echo "✅ 所有变更文件未发现违规！"

echo "⚠️ 总计发现 $total_violations 个违规。"

echo ""

echo "📋 违规摘要（前 30 条）："

for module in "${!module_files[@]}"; do

report_file="$module/target/checkstyle-result.xml"

if [ -f "$report_file" ] && grep -q -- '<error' "$report_file" 2>/dev/null; then

grep -- '<error' "$report_file" 2>/dev/null | head -30 | sed 's/<error //; s/\/>//' | \

sed 's|line="|行号: |g; s|column="|列: |g; s|severity="|严重性: |g; s|message="|信息: |g; s|source="||g' | \

while read -r line; do

echo " $line"

done || true

break

fi

done

if [ -n "$GITHUB_STEP_SUMMARY" ]; then

{

echo "## 📋 Checkstyle 汇总报告"

echo ""

echo "| 指标 | 结果 |"

echo "|------|------|"

if [ $total_violations -eq 0 ]; then

echo "| 总违规数 | ✅ **0** |"

else

echo "| 总违规数 | ⚠️ **$total_violations** |"

fi

echo "| 执行失败模块数 | $execution_failures |"

echo "| 涉及模块 | ${!module_files[*]} |"

echo ""

echo "📥 完整报告已作为 Artifact 上传。"

} >> "$GITHUB_STEP_SUMMARY"

if [ $total_violations -eq 0 ] && [ $execution_failures -eq 0 ]; then

echo "✅ 检查通过，构建成功。"

exit 0

elif [ $execution_failures -ne 0 ]; then

echo "❌ 有 $execution_failures 个模块 Checkstyle 执行失败，构建失败。"

exit 1

echo "❌ 发现 $total_violations 个违规，构建失败。"

exit 1