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Merge pull request #4 from hydevcode/auto-reviewer
auto-assign-reviewers
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‎.github/workflows/auto-assign-reviewers.yml‎

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# Change Logs:
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# Date Author Notes
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# 2025-01-21 kurisaW Initial version
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#
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# 2025-03-14 hydevcode
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# Script Function Description: Assign PR reviews based on the MAINTAINERS list.
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name: Auto Review Assistant
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on:
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pull_request:
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pull_request_target:
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branches: [ master ]
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types: [opened, synchronize, reopened]
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workflow_dispatch:
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issue_comment:
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types: [created]
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jobs:
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assign-reviewers:
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runs-on: ubuntu-22.04
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# if: github.repository_owner == 'RT-Thread'
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if: github.repository_owner == 'RT-Thread'
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permissions:
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issues: write
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pull-requests: read
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issues: read
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pull-requests: write
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contents: read
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steps:
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- name: Extract PR number
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id: extract-pr
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run: |
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PR_NUMBER=${{ github.event.pull_request.number }}
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echo "PR_NUMBER=${PR_NUMBER}" >> $GITHUB_OUTPUT
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- name: Checkout code
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uses: actions/checkout@v3
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uses: actions/checkout@v4
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with:
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ref: master
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sparse-checkout: MAINTAINERS
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persist-credentials: false
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- name: Get changed files
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id: changed_files
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run: |
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# 通过 GitHub API 获取 PR 的变更文件列表
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changed_files=$(curl -s \
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-H "Authorization: Bearer ${{ github.token }}" \
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"https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files" | \
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"https://api.github.com/repos/${{ github.repository }}/pulls/${{ steps.extract-pr.outputs.PR_NUMBER }}/files" | \
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jq -r '.[].filename') # 使用 jq 提取文件名
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echo "$changed_files" | grep -v '^MAINTAINERS$' > changed_files.txt
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existing_comment=$(curl -s \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
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jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
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comment_body=""
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if [[ ! -z "$existing_comment" ]]; then
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comment_body=$(echo "$existing_comment" | head -1 | base64 -d | jq -r .body|sed -nE 's/.*Last Updated: ([0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2} UTC).*/\1/p')
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comment_time=$(date -d "$comment_body" +%s)
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echo "${comment_body}"
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echo "COMMENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
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else
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comment_time=""
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echo "COMMENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
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fi
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echo "COMMENT_TIME=${comment_time}"
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- name: Parse MAINTAINERS file
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id: parse_maintainer
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run: |
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# 使用 AWK 解析 MAINTAINERS 文件格式：
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# 提取 tag（标签）、path（路径）和 owners（维护者 GitHub ID）
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# 提取 tag(标签)、path(路径)和 owners(维护者 GitHub ID)
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awk '
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/^tag:/ {
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tag = substr($0, index($0, $2)) # 提取标签内容
@@ -63,21 +85,30 @@ jobs:
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print tag "|" path "|" github_ids
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}
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' MAINTAINERS > tag_data.csv
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- name: Generate reviewers list
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id: generate_reviewers
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run: |
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# 根据变更文件路径匹配维护者规则
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rm -f triggered_reviewers.txt
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rm -f triggered_tags.txt
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while IFS='|' read -r tag path reviewers; do
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# 使用正则匹配路径（支持子目录）
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if grep -qE "^$path(/|$)" changed_files.txt; then
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echo "$reviewers" | tr ' ' '\n' >> triggered_reviewers.txt
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echo "$tag" | tr ' ' '\n' >> triggered_tags.txt
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fi
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done < tag_data.csv
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# 去重处理
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awk 'NF && !seen[$0]++' triggered_reviewers.txt > unique_reviewers.txt
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awk 'NF && !seen[$0]++' triggered_tags.txt > unique_tags.txt
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- name: Restore Reviewers Cache
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id: reviewers-cache-restore
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if: ${{ steps.changed_files.outputs.COMMENT_TIME != '' }}
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uses: actions/cache/restore@v4
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with:
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path: |
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unique_tags_bak.txt
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unique_reviewers_bak.txt
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key: ${{ runner.os }}-auto-assign-reviewers-${{ steps.extract-pr.outputs.PR_NUMBER }}-${{ steps.changed_files.outputs.COMMENT_TIME }}
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- name: Get approval status
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id: get_approval
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run: |
@@ -86,8 +117,7 @@ jobs:
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# 获取 PR 的所有评论
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comments=$(curl -s \
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-H "Authorization: Bearer ${{ github.token }}" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments")
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments")
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echo '#!/bin/bash' > approval_data.sh
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echo 'declare -A approvals=()' >> approval_data.sh
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chmod +x approval_data.sh
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source ./approval_data.sh
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jq -r --arg reviewers "$reviewers" '
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.[] |
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select(.user.login != "github-actions[bot]") | # 排除 bot 的评论
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select(.body | test("^\\s*LGTM\\s*$"; "i")) | # 匹配 LGTM 评论（不区分大小写）
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.user.login as $user |
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"@\($user)" as $mention |
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select($mention | inside($reviewers)) | # 过滤有效审查者
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"\($mention) \(.created_at)" # 输出审查者和时间
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' <<< "$comments" >> approval_data.txt
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notified_users=""
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if [[ -f unique_reviewers_bak.txt ]]; then
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notified_users=$(cat unique_reviewers_bak.txt | xargs)
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else
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notified_users=""
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fi
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{
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echo "---"
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echo "### 📊 Current Review Status (Last Updated: $current_time)"
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while read -r reviewer; do
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formatted_reviewers=""
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for r in $reviewers; do
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if [[ " ${notified_users[@]} " =~ " $reviewer " ]]; then
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formatted_reviewers+="${reviewer#@}"
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else
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formatted_reviewers+="$reviewer"
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fi
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done
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if [[ -n "${approvals[$reviewer]}" ]]; then
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timestamp=$(date -d "${approvals[$reviewer]}" -u +"%Y-%m-%d %H:%M UTC")
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echo "- ✅ **$reviewer** Reviewed On $timestamp"
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echo "- ✅ **$formatted_reviewers** Reviewed On $timestamp"
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else
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echo "- ⌛ **$reviewer** Pending Review"
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echo "- ⌛ **$formatted_reviewers** Pending Review"
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fi
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done < unique_reviewers.txt
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} > review_status.md
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echo "CURRENT_TIME=${current_time}" >> $GITHUB_OUTPUT
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- name: Generate review data
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id: generate_review
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run: |
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unique_tags=""
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unique_tags=$(cat unique_tags.txt | xargs)
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unique_tags_bak=""
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if [[ -f unique_tags_bak.txt ]]; then
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unique_tags_bak=$(cat unique_tags_bak.txt | xargs)
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fi
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existing_tags=""
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for r in $unique_tags; do
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if [[ " ${unique_tags_bak[@]} " =~ " $r " ]]; then
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echo "$r 不存在于数组中"
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else
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existing_tags+="$r "
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fi
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done
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current_time=$(date -u +"%Y-%m-%d %H:%M UTC")
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{
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# 生成审查分配信息
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echo "## 📌 Code Review Assignment"
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echo ""
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if grep -qE "^$path(/|$)" changed_files.txt; then
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echo "### 🏷️ Tag: $tag"
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echo "**Path:** \`$path\` "
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echo "**Reviewers:** $reviewers "
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if [[ " ${existing_tags[@]} " =~ " $tag " ]]; then
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echo "**Reviewers:** $reviewers "
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else
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formatted_reviewers=""
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for r in $reviewers; do
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formatted_reviewers+="${r#@} "
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done
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echo "**Reviewers:** $formatted_reviewers "
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fi
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echo "<details>"
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echo "<summary><b>Changed Files</b> (Click to expand)</summary>"
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echo ""
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fi
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done < tag_data.csv
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# 插入审查状态
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cat review_status.md
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echo "---"
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echo "### 📝 Review Instructions"
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echo ""
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echo "> ℹ️ **刷新CI状态操作需要具备仓库写入权限。**"
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echo "> ℹ️ **Refresh CI status operation requires repository Write permission.**"
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} > review_data.md
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- name: Save PR number
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- name: Post/Update comment
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id: post_comment
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run: |
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# 查找现有的 bot 评论
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existing_comment=$(curl -s \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
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jq -r '.[] | select(.user.login == "github-actions[bot]") | {id: .id, body: .body} | @base64')
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if [[ -n "$existing_comment" ]]; then
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# 更新现有评论
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comment_id=$(echo "$existing_comment" | head -1 | base64 -d | jq -r .id)
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echo "Updating existing comment $comment_id"
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response=$(curl -s -X PATCH \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
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-d "$(jq -n --arg body "$(cat review_data.md)" '{body: $body}')" \
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"https://api.github.com/repos/${{ github.repository }}/issues/comments/$comment_id")
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else
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# 创建新评论
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echo "Creating new comment"
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response=$(curl -s -X POST \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
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-d "$(jq -n --arg body "$(cat review_data.md)" '{body: $body}')" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments")
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fi
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- name: Get Comment Time
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id: get_comment_time
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run: |
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mkdir -p ./pr
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echo ${{ github.event.number }} > ./pr/NR
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mv /home/runner/work/rt-thread/rt-thread/review_data.md ./pr/
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- uses: actions/upload-artifact@v4
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existing_comment=$(curl -s \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ steps.extract-pr.outputs.PR_NUMBER }}/comments" | \
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jq -r '.[] | select(.user.login == "github-actions[bot]") | {body: .body} | @base64')
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comment_body="${{ steps.get_approval.outputs.CURRENT_TIME }}"
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comment_time=$(date -d "$comment_body" +%s)
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echo "CURRENT_TIME=${comment_time}" >> $GITHUB_OUTPUT
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cp unique_reviewers.txt unique_reviewers_bak.txt
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cp unique_tags.txt unique_tags_bak.txt
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- name: Restore Reviewers Save
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id: reviewers-cache-save
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uses: actions/cache/save@v4
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with:
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name: pr
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path: pr
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path: |
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unique_tags_bak.txt
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unique_reviewers_bak.txt
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key: ${{ runner.os }}-auto-assign-reviewers-${{ steps.extract-pr.outputs.PR_NUMBER }}-${{ steps.get_comment_time.outputs.CURRENT_TIME }}

‎.github/workflows/auto_comment_pr.yml‎

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