AIなどの特定ユーザーの作成したPRに要求するApproval数を増やす

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name: Check Approvals for Devin PRs
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on:
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  pull_request_review:
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    types: [submitted]
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  pull_request:
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    types: [opened, synchronize, reopened]
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env:
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  AI_USERNAME: devin-ai-integration[bot]
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  REQUIRED_APPROVALS: 2
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permissions:
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  pull-requests: read
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  statuses: write
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jobs:
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  check-ai-prs:
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    runs-on: ubuntu-latest
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    steps:
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      - name: Check AI PRs
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        if: github.event.pull_request.user.login == env.AI_USERNAME
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        uses: actions/github-script@v7
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        with:
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          github-token: ${{ secrets.GITHUB_TOKEN }}
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          script: |
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            // 略：GitHub Scripts部分を参照
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      - name: Skip Check (Not an AI PR)
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        if: github.event.pull_request.user.login != env.AI_USERNAME
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        uses: actions/github-script@v7
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        with:
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          github-token: ${{ secrets.GITHUB_TOKEN }}
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          script: |
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            const { owner, repo } = context.repo;
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            await github.rest.repos.createCommitStatus({
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              owner,
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              repo,
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              sha: context.payload.pull_request.head.sha,
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              state: 'success',
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              context: `AI Approval Requirement`,
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              description: 'This PR was not created by the AI bot. Skipping approval check.',
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              target_url: `https://github.com/${owner}/${repo}/actions/runs/${{ github.run_id}}`
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            });

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/*レビューの取得  */
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const { owner, repo } = context.repo;
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// pull_request_reviewの場合でもpull_requestと同様に取得できる
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const pr = context.payload.pull_request;
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const requiredApprovals = ${{ env.REQUIRED_APPROVALS }};
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const { data: reviews } = await github.rest.pulls.listReviews({
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    owner,
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    repo,
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    pull_number: pr.number
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});
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/* 最終的なステータスがApprovedのユーザーを取得 */
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const approvers = new Set();
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const latestReviewStates = new Map();
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for (const review of reviews) {
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    // 後からコメントされたケースでもApprovedとして扱われるためコメントは無視
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    if (review.state === 'COMMENTED') {
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        continue;
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    }
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    latestReviewStates.set(review.user.login, review.state);
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}
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for (const [user, state] of latestReviewStates.entries()) {
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    if (state === 'APPROVED') {
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        approvers.add(user);
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    }
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}
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console.log(`Current unique approvers: ${approvers.size} (${Array.from(approvers).join(', ')})`);
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/* 状況に合わせてステータスを発行 */
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const isSuccess = approvers.size >= requiredApprovals;
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await github.rest.repos.createCommitStatus({
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    owner,
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    repo,
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    sha: pr.head.sha,
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    state: isSuccess ? 'success' : 'failure',
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    context: `AI Approval Requirement`,
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    description: isSuccess
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    ? 'All required approvals have been received.'
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    : `Waiting for ${requiredApprovals - approvers.size} more approval(s).`,
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    target_url: `https://github.com/${owner}/${repo}/actions/runs/${{ github.run_id}}`
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});