[smart] Optimize the vDSO build process and code

.github/workflows/auto-assign-reviewers.yml

@@ -7,6 +7,8 @@
 # Date           Author       Notes
 # 2025-01-21     kurisaW      Initial version
 # 2025-03-14     hydevcode
+# 2025-05-10     kurisaW      Fixed file existence, cache, and comment time issues
+# 2025-05-11     kurisaW      Fixed missing unique files creation and cache logic
 
 # Script Function Description: Assign PR reviews based on the MAINTAINERS list.
 
@@ -31,12 +33,14 @@ jobs:
         run: |
           PR_NUMBER=${{ github.event.pull_request.number }}
           echo "PR_NUMBER=${PR_NUMBER}" >> $GITHUB_OUTPUT
+
       - name: Checkout code
         uses: actions/checkout@v4
         with:
           ref: master
           sparse-checkout: MAINTAINERS
           persist-credentials: false
+
       - name: Get changed files
         id: changed_files
         run: |
@@ -47,22 +51,25 @@ jobs:
           echo "$changed_files" | grep -v '^MAINTAINERS$' > changed_files.txt
 
           existing_comment=$(curl -s \
-          "https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
-          jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
+            "https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
+            jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
+
+          echo "=== Changed Files ==="
+          cat changed_files.txt
+          echo "====================="
 
           comment_body=""
           if [[ ! -z "$existing_comment" ]]; then
-            comment_body=$(echo "$existing_comment" | head -1 | base64 -d | jq -r .body|sed -nE 's/.*Last Updated: ([0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2} UTC).*/\1/p')
-
+            comment_body=$(echo "$existing_comment" | head -1 | base64 -d | jq -r .body | sed -nE 's/.*Last Updated: ([0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2} UTC).*/\1/p')
             comment_time=$(date -d "$comment_body" +%s)
-
             echo "${comment_body}"
             echo "COMMENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
           else
             comment_time=""
             echo "COMMENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
           fi
           echo "COMMENT_TIME=${comment_time}"
+
       - name: Parse MAINTAINERS file
         id: parse_maintainer
         run: |
@@ -72,8 +79,10 @@ jobs:
             /^tag:/ { 
               tag = substr($0, index($0, $2))  # 提取标签内容
             }
-            /^path:/ { 
-              path = substr($0, index($0, $2))  # 提取路径内容
+            /^path:/ {
+              # 提取 path 字段并去除前后空格
+              path = substr($0, index($0, $2))
+              gsub(/^[ \t]+|[ \t]+$/, "", path)  # 清理前后空格和制表符
             }
             /^owners:/ {
               owners = substr($0, index($0, $2))  # 提取维护者信息
@@ -85,21 +94,41 @@ jobs:
               print tag "|" path "|" github_ids
             }
           ' MAINTAINERS > tag_data.csv
+
       - name: Generate reviewers list
         id: generate_reviewers
         run: |
-          # 根据变更文件路径匹配维护者规则
-          rm -f triggered_reviewers.txt
-          rm -f triggered_tags.txt
+          rm -f triggered_reviewers.txt triggered_tags.txt unique_reviewers.txt unique_tags.txt
+          touch triggered_reviewers.txt triggered_tags.txt unique_reviewers.txt unique_tags.txt
+
           while IFS='|' read -r tag path reviewers; do
-            # 使用正则匹配路径（支持子目录）
-            if grep -qE "^$path(/|$)" changed_files.txt; then
-              echo "$reviewers" | tr ' ' '\n' >> triggered_reviewers.txt
-              echo "$tag" | tr ' ' '\n' >> triggered_tags.txt
+            # 转义路径中的正则特殊字符
+            escaped_path=$(sed 's/[.[\*^$]/\\&/g' <<< "$path")
+
+            # 使用增强型正则匹配路径及其所有子目录
+            if grep -qE "^$escaped_path(/.*)*" changed_files.txt; then
+              echo "$reviewers" | tr -s ' ' '\n' | sed '/^$/d' >> triggered_reviewers.txt
+              echo "$tag" >> triggered_tags.txt
+              echo "Matched: $path → $tag"
             fi
           done < tag_data.csv
-          awk 'NF && !seen[$0]++' triggered_reviewers.txt > unique_reviewers.txt
-          awk 'NF && !seen[$0]++' triggered_tags.txt > unique_tags.txt
+
+          # 生成去重的 unique_reviewers.txt 和 unique_tags.txt
+          sort -u triggered_reviewers.txt > unique_reviewers.txt
+          sort -u triggered_tags.txt > unique_tags.txt
+
+          # 检查是否有匹配的 reviewers
+          if [[ -s unique_reviewers.txt ]]; then
+            echo "HAS_REVIEWERS=true" >> $GITHUB_OUTPUT
+          else
+            echo "HAS_REVIEWERS=false" >> $GITHUB_OUTPUT
+          fi
+
+          echo "=== Matched Paths ==="
+          cat unique_tags.txt
+          echo "=== Matched Reviewers ==="
+          cat unique_reviewers.txt
+
       - name: Restore Reviewers Cache
         id: reviewers-cache-restore 
         if: ${{ steps.changed_files.outputs.COMMENT_TIME != '' }}
@@ -109,11 +138,19 @@ jobs:
             unique_tags_bak.txt
             unique_reviewers_bak.txt
           key: ${{ runner.os }}-auto-assign-reviewers-${{ steps.extract-pr.outputs.PR_NUMBER }}-${{ steps.changed_files.outputs.COMMENT_TIME }}
+
       - name: Get approval status
         id: get_approval
         run: |
           current_time=$(date -u +"%Y-%m-%d %H:%M UTC")
-          reviewers=$(cat unique_reviewers.txt | tr '\n' '|')
+
+          # 检查 unique_reviewers.txt 是否存在且非空
+          if [[ ! -s unique_reviewers.txt ]]; then
+            echo "No reviewers found, creating empty unique_reviewers.txt"
+            touch unique_reviewers.txt
+          fi
+
+          reviewers=$(cat unique_reviewers.txt | tr '\n' '|' | sed 's/|$//')
 
           # 获取 PR 的所有评论
           comments=$(curl -s \
@@ -169,7 +206,6 @@ jobs:
 
               if [[ -n "${approvals[$reviewer]}" ]]; then
                 timestamp=$(date -d "${approvals[$reviewer]}" -u +"%Y-%m-%d %H:%M UTC")
-
                 echo "- ✅ **$formatted_reviewers** Reviewed On $timestamp"
               else
                 echo "- ⌛ **$formatted_reviewers** Pending Review"
@@ -178,11 +214,15 @@ jobs:
           } > review_status.md
 
           echo "CURRENT_TIME=${current_time}" >> $GITHUB_OUTPUT
+
       - name: Generate review data
         id: generate_review
+        if: steps.generate_reviewers.outputs.HAS_REVIEWERS == 'true'
         run: |
           unique_tags=""
-          unique_tags=$(cat unique_tags.txt | xargs)
+          if [[ -s unique_tags.txt ]]; then
+            unique_tags=$(cat unique_tags.txt | xargs)
+          fi
           unique_tags_bak=""
           if [[ -f unique_tags_bak.txt ]]; then
             unique_tags_bak=$(cat unique_tags_bak.txt | xargs)
@@ -199,7 +239,6 @@ jobs:
 
           current_time=$(date -u +"%Y-%m-%d %H:%M UTC")
           {
-
             # 生成审查分配信息
             echo "## 📌 Code Review Assignment"
             echo ""
@@ -246,8 +285,10 @@ jobs:
             echo "> ℹ️ **刷新CI状态操作需要具备仓库写入权限。**"
             echo "> ℹ️ **Refresh CI status operation requires repository Write permission.**"
           } > review_data.md
+
       - name: Post/Update comment
         id: post_comment
+        if: steps.generate_reviewers.outputs.HAS_REVIEWERS == 'true'
         run: |
           # 查找现有的 bot 评论
           existing_comment=$(curl -s \
@@ -271,19 +312,23 @@ jobs:
               -d "$(jq -n --arg body "$(cat review_data.md)" '{body: $body}')" \
               "https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments")
           fi
+
       - name: Get Comment Time
         id: get_comment_time
+        if: steps.generate_reviewers.outputs.HAS_REVIEWERS == 'true'
         run: |
           existing_comment=$(curl -s \
-          "https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
-          jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
+            "https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
+            jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
           comment_body="${{ steps.get_approval.outputs.CURRENT_TIME }}"
           comment_time=$(date -d "$comment_body" +%s)
           echo "CURRENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
           cp unique_reviewers.txt unique_reviewers_bak.txt
           cp unique_tags.txt unique_tags_bak.txt
-      - name: Restore Reviewers Save
+
+      - name: Save Reviewers Cache
         id: reviewers-cache-save
+        if: steps.generate_reviewers.outputs.HAS_REVIEWERS == 'true'
         uses: actions/cache/save@v4
         with:
           path: |

MAINTAINERS

@@ -49,7 +49,7 @@ path: .github
 owners: supper thomas(supperthomas)<78900636@qq.com>, Bingru Zhang(Rbb666)<751061401@qq.com>, Yuqiang Wang(kurisaW)<2053731441@qq.com>
 
 tag: stm32f407-rt-spark
-path: bsp/stm32/stm32f407-rt-spark 
+path: bsp/stm32/stm32f407-rt-spark
 owners: Bingru Zhang(Rbb666)<751061401@qq.com>, Yuqiang Wang(kurisaW)<2053731441@qq.com>
 
 tag: libc