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feat: assign PR reviews based on the MAINTAINERS list
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‎.github/workflows/auto-assign-reviewers.yml‎

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#
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# Copyright (c) 2006-2025, RT-Thread Development Team
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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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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# 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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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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permissions:
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issues: write
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pull-requests: write
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contents: read
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steps:
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- name: Checkout code
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uses: actions/checkout@v3
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- name: Get changed files
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id: changed_files
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run: |
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changed_files=$(curl -s \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN_AUTO_REVIEW }}" \
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"https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files" | \
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jq -r '.[].filename')
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echo "$changed_files" | grep -v '^MAINTAINERS$' > changed_files.txt
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- name: Parse MAINTAINERS file
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id: parse_maintainer
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run: |
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awk '
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/^tag:/ { tag=$2 }
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/^path:/ { path=$2 }
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/^owners:/ {
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split($0, parts, /[()]/)
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github_ids = ""
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for (i=2; i<=length(parts); i+=2) {
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github_ids = github_ids "@" parts[i] " "
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}
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print tag "|" path "|" github_ids
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}
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' MAINTAINERS > tag_data.csv
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- name: Generate reviewers list
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id: generate_reviewers
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run: |
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rm -f triggered_reviewers.txt
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while IFS='|' read -r tag path reviewers; do
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if grep -qE "^$path(/|$)" changed_files.txt; then
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echo "$reviewers" | tr ' ' '\n' >> triggered_reviewers.txt
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fi
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done < tag_data.csv
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awk 'NF && !seen[$0]++' triggered_reviewers.txt > unique_reviewers.txt
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- name: Get approval status
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id: get_approval
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run: |
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current_time=$(date -u +"%Y-%m-%d %H:%M UTC")
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reviewers=$(cat unique_reviewers.txt | tr '\n' '|')
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comments=$(curl -s \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN_AUTO_REVIEW }}" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments")
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echo '#!/bin/bash' > approval_data.sh
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echo 'declare -A approvals=()' >> approval_data.sh
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jq -r --arg reviewers "$reviewers" '
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.[] |
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select(.user.login != "github-actions[bot]") |
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select(.body | test("^\\s*LGTM\\s*$"; "i")) |
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.user.login as $user |
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"@\($user)" as $mention |
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select($mention | inside($reviewers)) |
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"approvals[\"\($mention)\"]=\"\(.created_at)\""
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' <<< "$comments" >> approval_data.sh
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chmod +x approval_data.sh
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source ./approval_data.sh
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{
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echo "---"
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echo "### 📊 Current Review Status (Last Updated: $current_time)"
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while read -r reviewer; do
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if [[ -n "${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 $timestamp"
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else
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echo "- ⌛ **$reviewer** 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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- name: Generate review data
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id: generate_review
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run: |
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current_time=$(date -u +"%Y-%m-%d %H:%M UTC")
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{
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echo "## 📌 Code Review Assignment"
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echo ""
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while IFS='|' read -r tag path reviewers; do
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if grep -qE "^$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:** $reviewers "
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echo "<details>"
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echo "<summary><b>Changed Files</b> (Click to expand)</summary>"
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echo ""
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grep -E "^$path(/|$)" changed_files.txt | sed 's/^/- /'
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echo ""
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echo "</details>"
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echo ""
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fi
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done < tag_data.csv
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cat review_status.md
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echo "---"
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echo "### 📝 Review Instructions"
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echo ""
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echo "1. **维护者可以通过单击此处来刷新审查状态:** [🔄 刷新状态](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/rerun"
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echo " **Maintainers can refresh the review status by clicking here:** [🔄 Refresh Status](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/rerun"
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echo ""
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echo "2. **确认审核通过后评论 \`LGTM/lgtm\`**"
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echo " **Comment \`LGTM/lgtm\` after confirming approval**"
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echo ""
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echo "3. **PR合并前需至少一位维护者确认**"
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echo " **PR must be confirmed by at least one maintainer before merging**"
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echo ""
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echo "> ℹ️ **刷新CI状态操作需要具备仓库写入权限。**"
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echo "> ℹ️ **Refresh CI status operation requires repository Write permission.**"
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} > review_data.md
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- name: Post/Update comment
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id: post_comment
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run: |
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existing_comment=$(curl -s \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN_AUTO_REVIEW }}" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments" | \
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jq -r '.[] | select(.user.login == "github-actions[bot]") | {id: .id, body: .body} | @base64')
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if [[ -n "$existing_comment" ]]; then
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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 ${{ secrets.GITHUB_TOKEN_AUTO_REVIEW }}" \
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-d "$(jq -n --arg body "$(cat review_data.md)" '{body: $body}')" \
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"https://api.github.com/repos/${{ github.repository }}/issues/comments/$comment_id")
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else
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echo "Creating new comment"
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response=$(curl -s -X POST \
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-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN_AUTO_REVIEW }}" \
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-d "$(jq -n --arg body "$(cat review_data.md)" '{body: $body}')" \
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"https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments")
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fi

‎MAINTAINERS‎

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# MAINTAINERS for autoreview assigning in github comment
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tag: workflow
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path: .github
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owners: Li Tao(supperthomas)<[email protected]>
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tag: stm32f407-rt-spark
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path: bsp/stm32/stm32f407-rt-spark
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owners: Zhang Bingru(Rbb666)<[email protected]>
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tag: libc
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path: components/libc
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owners: Man Jiantin(mysterywolf)<[email protected]>

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