Github Workflow Automation

Patterns for automating GitHub workflows with AI assistance, inspired by [Gemini CLI](https://github.com/google-gemini/gemini-cli) and modern DevOps practices.

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🔧 GitHub Workflow Automation

Patterns for automating GitHub workflows with AI assistance, inspired by Gemini CLI and modern DevOps practices.

When to Use This Skill

Use this skill when:

Automating PR reviews with AI
Setting up issue triage automation
Creating GitHub Actions workflows
Integrating AI into CI/CD pipelines
Automating Git operations (rebases, cherry-picks)

1. Automated PR Review

1.1 PR Review Action

# .github/workflows/ai-review.yml
name: AI Code Review

on:
  pull_request:
    types: [opened, synchronize]

jobs:
  review:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get changed files
        id: changed
        run: |
          files=$(git diff --name-only origin/${{ github.base_ref }}...HEAD)
          echo "files<<EOF" >> $GITHUB_OUTPUT
          echo "$files" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Get diff
        id: diff
        run: |
          diff=$(git diff origin/${{ github.base_ref }}...HEAD)
          echo "diff<<EOF" >> $GITHUB_OUTPUT
          echo "$diff" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: AI Review
        uses: actions/github-script@v7
        with:
          script: |
            const { Anthropic } = require('@anthropic-ai/sdk');
            const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY });

            const response = await client.messages.create({
              model: "claude-3-sonnet-20240229",
              max_tokens: 4096,
              messages: [{
                role: "user",
                content: `Review this PR diff and provide feedback:
                
                Changed files: ${{ steps.changed.outputs.files }}
                
                Diff:
                ${{ steps.diff.outputs.diff }}
                
                Provide:
                1. Summary of changes
                2. Potential issues or bugs
                3. Suggestions for improvement
                4. Security concerns if any
                
                Format as GitHub markdown.`
              }]
            });

            await github.rest.pulls.createReview({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              body: response.content[0].text,
              event: 'COMMENT'
            });
        env:
          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}

1.2 Review Comment Patterns

# AI Review Structure

## 📋 Summary

Brief description of what this PR does.

## ✅ What looks good

- Well-structured code
- Good test coverage
- Clear naming conventions

## ⚠️ Potential Issues

1. **Line 42**: Possible null pointer exception
   ```javascript
   // Current
   user.profile.name;
   // Suggested
   user?.profile?.name ?? "Unknown";
   ```

Line 78: Consider error handling
```
// Add try-catch or .catch()
```

💡 Suggestions

Consider extracting the validation logic into a separate function
Add JSDoc comments for public methods

🔒 Security Notes

No sensitive data exposure detected
API key handling looks correct


### 1.3 Focused Reviews

```yaml
# Review only specific file types
- name: Filter code files
  run: |
    files=$(git diff --name-only origin/${{ github.base_ref }}...HEAD | \
            grep -E '\.(ts|tsx|js|jsx|py|go)$' || true)
    echo "code_files=$files" >> $GITHUB_OUTPUT

# Review with context
- name: AI Review with context
  run: |
    # Include relevant context files
    context=""
    for file in ${{ steps.changed.outputs.files }}; do
      if [[ -f "$file" ]]; then
        context+="=== $file ===\n$(cat $file)\n\n"
      fi
    done

    # Send to AI with full file context

2. Issue Triage Automation

2.1 Auto-label Issues

# .github/workflows/issue-triage.yml
name: Issue Triage

on:
  issues:
    types: [opened]

jobs:
  triage:
    runs-on: ubuntu-latest
    permissions:
      issues: write

    steps:
      - name: Analyze issue
        uses: actions/github-script@v7
        with:
          script: |
            const issue = context.payload.issue;

            // Call AI to analyze
            const analysis = await analyzeIssue(issue.title, issue.body);

            // Apply labels
            const labels = [];

            if (analysis.type === 'bug') {
              labels.push('bug');
              if (analysis.severity === 'high') labels.push('priority: high');
            } else if (analysis.type === 'feature') {
              labels.push('enhancement');
            } else if (analysis.type === 'question') {
              labels.push('question');
            }

            if (analysis.area) {
              labels.push(`area: ${analysis.area}`);
            }

            await github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: issue.number,
              labels: labels
            });

            // Add initial response
            if (analysis.type === 'bug' && !analysis.hasReproSteps) {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue.number,
                body: `Thanks for reporting this issue!

To help us investigate, could you please provide:
- Steps to reproduce the issue
- Expected behavior
- Actual behavior
- Environment (OS, version, etc.)

This will help us resolve your issue faster. 🙏`
              });
            }

2.2 Issue Analysis Prompt

const TRIAGE_PROMPT = `
Analyze this GitHub issue and classify it:

Title: {title}
Body: {body}

Return JSON with:
{
  "type": "bug" | "feature" | "question" | "docs" | "other",
  "severity": "low" | "medium" | "high" | "critical",
  "area": "frontend" | "backend" | "api" | "docs" | "ci" | "other",
  "summary": "one-line summary",
  "hasReproSteps": boolean,
  "isFirstContribution": boolean,
  "suggestedLabels": ["label1", "label2"],
  "suggestedAssignees": ["username"] // based on area expertise
}
`;

2.3 Stale Issue Management

# .github/workflows/stale.yml
name: Manage Stale Issues

on:
  schedule:
    - cron: "0 0 * * *" # Daily

jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v9
        with:
          stale-issue-message: |
            This issue has been automatically marked as stale because it has not had 
            recent activity. It will be closed in 14 days if no further activity occurs.

            If this issue is still relevant:
            - Add a comment with an update
            - Remove the `stale` label

            Thank you for your contributions! 🙏

          stale-pr-message: |
            This PR has been automatically marked as stale. Please update it or it 
            will be closed in 14 days.

          days-before-stale: 60
          days-before-close: 14
          stale-issue-label: "stale"
          stale-pr-label: "stale"
          exempt-issue-labels: "pinned,security,in-progress"
          exempt-pr-labels: "pinned,security"

3. CI/CD Integration

3.1 Smart Test Selection

# .github/workflows/smart-tests.yml
name: Smart Test Selection

on:
  pull_request:

jobs:
  analyze:
    runs-on: ubuntu-latest
    outputs:
      test_suites: ${{ steps.analyze.outputs.suites }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Analyze changes
        id: analyze
        run: |
          # Get changed files
          changed=$(git diff --name-only origin/${{ github.base_ref }}...HEAD)

          # Determine which test suites to run
          suites="[]"

          if echo "$changed" | grep -q "^src/api/"; then
            suites=$(echo $suites | jq '. + ["api"]')
          fi

          if echo "$changed" | grep -q "^src/frontend/"; then
            suites=$(echo $suites | jq '. + ["frontend"]')
          fi

          if echo "$changed" | grep -q "^src/database/"; then
            suites=$(echo $suites | jq '. + ["database", "api"]')
          fi

          # If nothing specific, run all
          if [ "$suites" = "[]" ]; then
            suites='["all"]'
          fi

          echo "suites=$suites" >> $GITHUB_OUTPUT

  test:
    needs: analyze
    runs-on: ubuntu-latest
    strategy:
      matrix:
        suite: ${{ fromJson(needs.analyze.outputs.test_suites) }}

    steps:
      - uses: actions/checkout@v4

      - name: Run tests
        run: |
          if [ "${{ matrix.suite }}" = "all" ]; then
            npm test
          else
            npm test -- --suite ${{ matrix.suite }}
          fi

3.2 Deployment with AI Validation

# .github/workflows/deploy.yml
name: Deploy with AI Validation

on:
  push:
    branches: [main]

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get deployment changes
        id: changes
        run: |
          # Get commits since last deployment
          last_deploy=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -n "$last_deploy" ]; then
            changes=$(git log --oneline $last_deploy..HEAD)
          else
            changes=$(git log --oneline -10)
          fi
          echo "changes<<EOF" >> $GITHUB_OUTPUT
          echo "$changes" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: AI Risk Assessment
        id: assess
        uses: actions/github-script@v7
        with:
          script: |
            // Analyze changes for deployment risk
            const prompt = `
            Analyze these changes for deployment risk:

            ${process.env.CHANGES}

            Return JSON:
            {
              "riskLevel": "low" | "medium" | "high",
              "concerns": ["concern1", "concern2"],
              "recommendations": ["rec1", "rec2"],
              "requiresManualApproval": boolean
            }
            `;

            // Call AI and parse response
            const analysis = await callAI(prompt);

            if (analysis.riskLevel === 'high') {
              core.setFailed('High-risk deployment detected. Manual review required.');
            }

            return analysis;
        env:
          CHANGES: ${{ steps.changes.outputs.changes }}

  deploy:
    needs: validate
    runs-on: ubuntu-latest
    environment: production
    steps:
      - name: Deploy
        run: |
          echo "Deploying to production..."
          # Deployment commands here

3.3 Rollback Automation

# .github/workflows/rollback.yml
name: Automated Rollback

on:
  workflow_dispatch:
    inputs:
      reason:
        description: "Reason for rollback"
        required: true

jobs:
  rollback:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Find last stable version
        id: stable
        run: |
          # Find last successful deployment
          stable=$(git tag -l 'v*' --sort=-version:refname | head -1)
          echo "version=$stable" >> $GITHUB_OUTPUT

      - name: Rollback
        run: |
          git checkout ${{ steps.stable.outputs.version }}
          # Deploy stable version
          npm run deploy

      - name: Notify team
        uses: slackapi/slack-github-action@v1
        with:
          payload: |
            {
              "text": "🔄 Production rolled back to ${{ steps.stable.outputs.version }}",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "*Rollback executed*\n• Version: `${{ steps.stable.outputs.version }}`\n• Reason: ${{ inputs.reason }}\n• Triggered by: ${{ github.actor }}"
                  }
                }
              ]
            }

4. Git Operations

4.1 Automated Rebasing

# .github/workflows/auto-rebase.yml
name: Auto Rebase

on:
  issue_comment:
    types: [created]

jobs:
  rebase:
    if: github.event.issue.pull_request && contains(github.event.comment.body, '/rebase')
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Rebase PR
        run: |
          # Fetch PR branch
          gh pr checkout ${{ github.event.issue.number }}

          # Rebase onto main
          git fetch origin main
          git rebase origin/main

          # Force push
          git push --force-with-lease
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Comment result
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: '✅ Successfully rebased onto main!'
            })

4.2 Smart Cherry-Pick

// AI-assisted cherry-pick that handles conflicts
async function smartCherryPick(commitHash: string, targetBranch: string) {
  // Get commit info
  const commitInfo = await exec(`git show ${commitHash} --stat`);

  // Check for potential conflicts
  const targetDiff = await exec(
    `git diff ${targetBranch}...HEAD -- ${affectedFiles}`
  );

  // AI analysis
  const analysis = await ai.analyze(`
    I need to cherry-pick this commit to ${targetBranch}:
    
    ${commitInfo}
    
    Current state of affected files on ${targetBranch}:
    ${targetDiff}
    
    Will there be conflicts? If so, suggest resolution strategy.
  `);

  if (analysis.willConflict) {
    // Create branch for manual resolution
    await exec(
      `git checkout -b cherry-pick-${commitHash.slice(0, 7)} ${targetBranch}`
    );
    const result = await exec(`git cherry-pick ${commitHash}`, {
      allowFail: true,
    });

    if (result.failed) {
      // AI-assisted conflict resolution
      const conflicts = await getConflicts();
      for (const conflict of conflicts) {
        const resolution = await ai.resolveConflict(conflict);
        await applyResolution(conflict.file, resolution);
      }
    }
  } else {
    await exec(`git checkout ${targetBranch}`);
    await exec(`git cherry-pick ${commitHash}`);
  }
}

4.3 Branch Cleanup

# .github/workflows/branch-cleanup.yml
name: Branch Cleanup

on:
  schedule:
    - cron: '0 0 * * 0'  # Weekly
  workflow_dispatch:

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Find stale branches
        id: stale
        run: |
          # Branches not updated in 30 days
          stale=$(git for-each-ref --sort=-committerdate refs/remotes/origin \
            --format='%(refname:short) %(committerdate:relative)' | \
            grep -E '[3-9][0-9]+ days|[0-9]+ months|[0-9]+ years' | \
            grep -v 'origin/main\|origin/develop' | \
            cut -d' ' -f1 | sed 's|origin/||')

          echo "branches<<EOF" >> $GITHUB_OUTPUT
          echo "$stale" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create cleanup PR
        if: steps.stale.outputs.branches != ''
        uses: actions/github-script@v7
        with:
          script: |
            const branches = `${{ steps.stale.outputs.branches }}`.split('\n').filter(Boolean);

            const body = `## 🧹 Stale Branch Cleanup

The following branches haven't been updated in over 30 days:

${branches.map(b => `- \`${b}\``).join('\n')}

### Actions:
- [ ] Review each branch
- [ ] Delete branches that are no longer needed
- Comment \`/keep branch-name\` to preserve specific branches
`;

            await github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: 'Stale Branch Cleanup',
              body: body,
              labels: ['housekeeping']
            });

5. On-Demand Assistance

5.1 @mention Bot

# .github/workflows/mention-bot.yml
name: AI Mention Bot

on:
  issue_comment:
    types: [created]
  pull_request_review_comment:
    types: [created]

jobs:
  respond:
    if: contains(github.event.comment.body, '@ai-helper')
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Extract question
        id: question
        run: |
          # Extract text after @ai-helper
          question=$(echo "${{ github.event.comment.body }}" | sed 's/.*@ai-helper//')
          echo "question=$question" >> $GITHUB_OUTPUT

      - name: Get context
        id: context
        run: |
          if [ "${{ github.event.issue.pull_request }}" != "" ]; then
            # It's a PR - get diff
            gh pr diff ${{ github.event.issue.number }} > context.txt
          else
            # It's an issue - get description
            gh issue view ${{ github.event.issue.number }} --json body -q .body > context.txt
          fi
          echo "context=$(cat context.txt)" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: AI Response
        uses: actions/github-script@v7
        with:
          script: |
            const response = await ai.chat(`
              Context: ${process.env.CONTEXT}
              
              Question: ${process.env.QUESTION}
              
              Provide a helpful, specific answer. Include code examples if relevant.
            `);

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: response
            });
        env:
          CONTEXT: ${{ steps.context.outputs.context }}
          QUESTION: ${{ steps.question.outputs.question }}

5.2 Command Patterns

## Available Commands

| Command              | Description                 |
| :------------------- | :-------------------------- |
| `@ai-helper explain` | Explain the code in this PR |
| `@ai-helper review`  | Request AI code review      |
| `@ai-helper fix`     | Suggest fixes for issues    |
| `@ai-helper test`    | Generate test cases         |
| `@ai-helper docs`    | Generate documentation      |
| `/rebase`            | Rebase PR onto main         |
| `/update`            | Update PR branch from main  |
| `/approve`           | Mark as approved by bot     |
| `/label bug`         | Add 'bug' label             |
| `/assign @user`      | Assign to user              |

6. Repository Configuration

6.1 CODEOWNERS

# .github/CODEOWNERS

# Global owners
* @org/core-team

# Frontend
/src/frontend/ @org/frontend-team
*.tsx @org/frontend-team
*.css @org/frontend-team

# Backend
/src/api/ @org/backend-team
/src/database/ @org/backend-team

# Infrastructure
/.github/ @org/devops-team
/terraform/ @org/devops-team
Dockerfile @org/devops-team

# Docs
/docs/ @org/docs-team
*.md @org/docs-team

# Security-sensitive
/src/auth/ @org/security-team
/src/crypto/ @org/security-team

6.2 Branch Protection

# Set up via GitHub API
- name: Configure branch protection
  uses: actions/github-script@v7
  with:
    script: |
      await github.rest.repos.updateBranchProtection({
        owner: context.repo.owner,
        repo: context.repo.repo,
        branch: 'main',
        required_status_checks: {
          strict: true,
          contexts: ['test', 'lint', 'ai-review']
        },
        enforce_admins: true,
        required_pull_request_reviews: {
          required_approving_review_count: 1,
          require_code_owner_reviews: true,
          dismiss_stale_reviews: true
        },
        restrictions: null,
        required_linear_history: true,
        allow_force_pushes: false,
        allow_deletions: false
      });

Best Practices

Security

Store API keys in GitHub Secrets
Use minimal permissions in workflows
Validate all inputs
Don't expose sensitive data in logs

Performance

Cache dependencies
Use matrix builds for parallel testing
Skip unnecessary jobs with path filters
Use self-hosted runners for heavy workloads

Reliability

Add timeouts to jobs
Handle rate limits gracefully
Implement retry logic
Have rollback procedures

Resources

---name: github-workflow-automationdescription: Patterns for automating GitHub workflows with AI assistance, inspired by [Gemini CLI](https://github.com/google-gemini/gemini-cli) and modern DevOps practices.---# 🔧 GitHub Workflow Automation> Patterns for automating GitHub workflows with AI assistance, inspired by [Gemini CLI](https://github.com/google-gemini/gemini-cli) and modern DevOps practices.## When to Use This SkillUse this skill when:- Automating PR reviews with AI- Setting up issue triage automation- Creating GitHub Actions workflows- Integrating AI into CI/CD pipelines- Automating Git operations (rebases, cherry-picks)---## 1. Automated PR Review### 1.1 PR Review Action```yaml# .github/workflows/ai-review.ymlname: AI Code Reviewon: pull_request: types: [opened, synchronize]jobs: review: runs-on: ubuntu-latest permissions: contents: read pull-requests: write steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - name: Get changed files id: changed run: | files=$(git diff --name-only origin/${{ github.base_ref }}...HEAD) echo "files<<EOF" >> $GITHUB_OUTPUT echo "$files" >> $GITHUB_OUTPUT echo "EOF" >> $GITHUB_OUTPUT - name: Get diff id: diff run: | diff=$(git diff origin/${{ github.base_ref }}...HEAD) echo "diff<<EOF" >> $GITHUB_OUTPUT echo "$diff" >> $GITHUB_OUTPUT echo "EOF" >> $GITHUB_OUTPUT - name: AI Review uses: actions/github-script@v7 with: script: | const { Anthropic } = require('@anthropic-ai/sdk'); const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY }); const response = await client.messages.create({ model: "claude-3-sonnet-20240229", max_tokens: 4096, messages: [{ role: "user", content: `Review this PR diff and provide feedback: Changed files: ${{ steps.changed.outputs.files }} Diff: ${{ steps.diff.outputs.diff }} Provide: 1. Summary of changes 2. Potential issues or bugs 3. Suggestions for improvement 4. Security concerns if any Format as GitHub markdown.` }] }); await github.rest.pulls.createReview({ owner: context.repo.owner, repo: context.repo.repo, pull_number: context.issue.number, body: response.content[0].text, event: 'COMMENT' }); env: ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}```### 1.2 Review Comment Patterns````markdown# AI Review Structure## 📋 SummaryBrief description of what this PR does.## ✅ What looks good- Well-structured code- Good test coverage- Clear naming conventions## ⚠️ Potential Issues1. **Line 42**: Possible null pointer exception ```javascript // Current user.profile.name; // Suggested user?.profile?.name ?? "Unknown"; ```````2. **Line 78**: Consider error handling ```javascript // Add try-catch or .catch() ```## 💡 Suggestions- Consider extracting the validation logic into a separate function- Add JSDoc comments for public methods## 🔒 Security Notes- No sensitive data exposure detected- API key handling looks correct````### 1.3 Focused Reviews```yaml# Review only specific file types- name: Filter code files run: | files=$(git diff --name-only origin/${{ github.base_ref }}...HEAD | \ grep -E '\.(ts|tsx|js|jsx|py|go)$' || true) echo "code_files=$files" >> $GITHUB_OUTPUT# Review with context- name: AI Review with context run: | # Include relevant context files context="" for file in ${{ steps.changed.outputs.files }}; do if [[ -f "$file" ]]; then context+="=== $file ===\n$(cat $file)\n\n" fi done # Send to AI with full file context````---## 2. Issue Triage Automation### 2.1 Auto-label Issues```yaml# .github/workflows/issue-triage.ymlname: Issue Triageon: issues: types: [opened]jobs: triage: runs-on: ubuntu-latest permissions: issues: write steps: - name: Analyze issue uses: actions/github-script@v7 with: script: | const issue = context.payload.issue; // Call AI to analyze const analysis = await analyzeIssue(issue.title, issue.body); // Apply labels const labels = []; if (analysis.type === 'bug') { labels.push('bug'); if (analysis.severity === 'high') labels.push('priority: high'); } else if (analysis.type === 'feature') { labels.push('enhancement'); } else if (analysis.type === 'question') { labels.push('question'); } if (analysis.area) { labels.push(`area: ${analysis.area}`); } await github.rest.issues.addLabels({ owner: context.repo.owner, repo: context.repo.repo, issue_number: issue.number, labels: labels }); // Add initial response if (analysis.type === 'bug' && !analysis.hasReproSteps) { await github.rest.issues.createComment({ owner: context.repo.owner, repo: context.repo.repo, issue_number: issue.number, body: `Thanks for reporting this issue!To help us investigate, could you please provide:- Steps to reproduce the issue- Expected behavior- Actual behavior- Environment (OS, version, etc.)This will help us resolve your issue faster. 🙏` }); }```### 2.2 Issue Analysis Prompt```typescriptconst TRIAGE_PROMPT = `Analyze this GitHub issue and classify it:Title: {title}Body: {body}Return JSON with:{ "type": "bug" | "feature" | "question" | "docs" | "other", "severity": "low" | "medium" | "high" | "critical", "area": "frontend" | "backend" | "api" | "docs" | "ci" | "other", "summary": "one-line summary", "hasReproSteps": boolean, "isFirstContribution": boolean, "suggestedLabels": ["label1", "label2"], "suggestedAssignees": ["username"] // based on area expertise}`;```### 2.3 Stale Issue Management```yaml# .github/workflows/stale.ymlname: Manage Stale Issueson: schedule: - cron: "0 0 * * *" # Dailyjobs: stale: runs-on: ubuntu-latest steps: - uses: actions/stale@v9 with: stale-issue-message: | This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 14 days if no further activity occurs. If this issue is still relevant: - Add a comment with an update - Remove the `stale` label Thank you for your contributions! 🙏 stale-pr-message: | This PR has been automatically marked as stale. Please update it or it will be closed in 14 days. days-before-stale: 60 days-before-close: 14 stale-issue-label: "stale" stale-pr-label: "stale" exempt-issue-labels: "pinned,security,in-progress" exempt-pr-labels: "pinned,security"```---## 3. CI/CD Integration### 3.1 Smart Test Selection```yaml# .github/workflows/smart-tests.ymlname: Smart Test Selectionon: pull_request:jobs: analyze: runs-on: ubuntu-latest outputs: test_suites: ${{ steps.analyze.outputs.suites }} steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - name: Analyze changes id: analyze run: | # Get changed files changed=$(git diff --name-only origin/${{ github.base_ref }}...HEAD) # Determine which test suites to run suites="[]" if echo "$changed" | grep -q "^src/api/"; then suites=$(echo $suites | jq '. + ["api"]') fi if echo "$changed" | grep -q "^src/frontend/"; then suites=$(echo $suites | jq '. + ["frontend"]') fi if echo "$changed" | grep -q "^src/database/"; then suites=$(echo $suites | jq '. + ["database", "api"]') fi # If nothing specific, run all if [ "$suites" = "[]" ]; then suites='["all"]' fi echo "suites=$suites" >> $GITHUB_OUTPUT test: needs: analyze runs-on: ubuntu-latest strategy: matrix: suite: ${{ fromJson(needs.analyze.outputs.test_suites) }} steps: - uses: actions/checkout@v4 - name: Run tests run: | if [ "${{ matrix.suite }}" = "all" ]; then npm test else npm test -- --suite ${{ matrix.suite }} fi```### 3.2 Deployment with AI Validation```yaml# .github/workflows/deploy.ymlname: Deploy with AI Validationon: push: branches: [main]jobs: validate: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - name: Get deployment changes id: changes run: | # Get commits since last deployment last_deploy=$(git describe --tags --abbrev=0 2>/dev/null || echo "") if [ -n "$last_deploy" ]; then changes=$(git log --oneline $last_deploy..HEAD) else changes=$(git log --oneline -10) fi echo "changes<<EOF" >> $GITHUB_OUTPUT echo "$changes" >> $GITHUB_OUTPUT echo "EOF" >> $GITHUB_OUTPUT - name: AI Risk Assessment id: assess uses: actions/github-script@v7 with: script: | // Analyze changes for deployment risk const prompt = ` Analyze these changes for deployment risk: ${process.env.CHANGES} Return JSON: { "riskLevel": "low" | "medium" | "high", "concerns": ["concern1", "concern2"], "recommendations": ["rec1", "rec2"], "requiresManualApproval": boolean } `; // Call AI and parse response const analysis = await callAI(prompt); if (analysis.riskLevel === 'high') { core.setFailed('High-risk deployment detected. Manual review required.'); } return analysis; env: CHANGES: ${{ steps.changes.outputs.changes }} deploy: needs: validate runs-on: ubuntu-latest environment: production steps: - name: Deploy run: | echo "Deploying to production..." # Deployment commands here```### 3.3 Rollback Automation```yaml# .github/workflows/rollback.ymlname: Automated Rollbackon: workflow_dispatch: inputs: reason: description: "Reason for rollback" required: truejobs: rollback: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - name: Find last stable version id: stable run: | # Find last successful deployment stable=$(git tag -l 'v*' --sort=-version:refname | head -1) echo "version=$stable" >> $GITHUB_OUTPUT - name: Rollback run: | git checkout ${{ steps.stable.outputs.version }} # Deploy stable version npm run deploy - name: Notify team uses: slackapi/slack-github-action@v1 with: payload: | { "text": "🔄 Production rolled back to ${{ steps.stable.outputs.version }}", "blocks": [ { "type": "section", "text": { "type": "mrkdwn", "text": "*Rollback executed*\n• Version: `${{ steps.stable.outputs.version }}`\n• Reason: ${{ inputs.reason }}\n• Triggered by: ${{ github.actor }}" } } ] }```---## 4. Git Operations### 4.1 Automated Rebasing```yaml# .github/workflows/auto-rebase.ymlname: Auto Rebaseon: issue_comment: types: [created]jobs: rebase: if: github.event.issue.pull_request && contains(github.event.comment.body, '/rebase') runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 with: fetch-depth: 0 token: ${{ secrets.GITHUB_TOKEN }} - name: Setup Git run: | git config user.name "github-actions[bot]" git config user.email "github-actions[bot]@users.noreply.github.com" - name: Rebase PR run: | # Fetch PR branch gh pr checkout ${{ github.event.issue.number }} # Rebase onto main git fetch origin main git rebase origin/main # Force push git push --force-with-lease env: GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} - name: Comment result uses: actions/github-script@v7 with: script: | github.rest.issues.createComment({ owner: context.repo.owner, repo: context.repo.repo, issue_number: context.issue.number, body: '✅ Successfully rebased onto main!' })```### 4.2 Smart Cherry-Pick```typescript// AI-assisted cherry-pick that handles conflictsasync function smartCherryPick(commitHash: string, targetBranch: string) { // Get commit info const commitInfo = await exec(`git show ${commitHash} --stat`); // Check for potential conflicts const targetDiff = await exec( `git diff ${targetBranch}...HEAD -- ${affectedFiles}` ); // AI analysis const analysis = await ai.analyze(` I need to cherry-pick this commit to ${targetBranch}: ${commitInfo} Current state of affected files on ${targetBranch}: ${targetDiff} Will there be conflicts? If so, suggest resolution strategy. `); if (analysis.willConflict) { // Create branch for manual resolution await exec( `git checkout -b cherry-pick-${commitHash.slice(0, 7)} ${targetBranch}` ); const result = await exec(`git cherry-pick ${commitHash}`, { allowFail: true, }); if (result.failed) { // AI-assisted conflict resolution const conflicts = await getConflicts(); for (const conflict of conflicts) { const resolution = await ai.resolveConflict(conflict); await applyResolution(conflict.file, resolution); } } } else { await exec(`git checkout ${targetBranch}`); await exec(`git cherry-pick ${commitHash}`); }}```### 4.3 Branch Cleanup```yaml# .github/workflows/branch-cleanup.ymlname: Branch Cleanupon: schedule: - cron: '0 0 * * 0' # Weekly workflow_dispatch:jobs: cleanup: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - name: Find stale branches id: stale run: | # Branches not updated in 30 days stale=$(git for-each-ref --sort=-committerdate refs/remotes/origin \ --format='%(refname:short) %(committerdate:relative)' | \ grep -E '[3-9][0-9]+ days|[0-9]+ months|[0-9]+ years' | \ grep -v 'origin/main\|origin/develop' | \ cut -d' ' -f1 | sed 's|origin/||') echo "branches<<EOF" >> $GITHUB_OUTPUT echo "$stale" >> $GITHUB_OUTPUT echo "EOF" >> $GITHUB_OUTPUT - name: Create cleanup PR if: steps.stale.outputs.branches != '' uses: actions/github-script@v7 with: script: | const branches = `${{ steps.stale.outputs.branches }}`.split('\n').filter(Boolean); const body = `## 🧹 Stale Branch CleanupThe following branches haven't been updated in over 30 days:${branches.map(b => `- \`${b}\``).join('\n')}### Actions:- [ ] Review each branch- [ ] Delete branches that are no longer needed- Comment \`/keep branch-name\` to preserve specific branches`; await github.rest.issues.create({ owner: context.repo.owner, repo: context.repo.repo, title: 'Stale Branch Cleanup', body: body, labels: ['housekeeping'] });```---## 5. On-Demand Assistance### 5.1 @mention Bot```yaml# .github/workflows/mention-bot.ymlname: AI Mention Boton: issue_comment: types: [created] pull_request_review_comment: types: [created]jobs: respond: if: contains(github.event.comment.body, '@ai-helper') runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - name: Extract question id: question run: | # Extract text after @ai-helper question=$(echo "${{ github.event.comment.body }}" | sed 's/.*@ai-helper//') echo "question=$question" >> $GITHUB_OUTPUT - name: Get context id: context run: | if [ "${{ github.event.issue.pull_request }}" != "" ]; then # It's a PR - get diff gh pr diff ${{ github.event.issue.number }} > context.txt else # It's an issue - get description gh issue view ${{ github.event.issue.number }} --json body -q .body > context.txt fi echo "context=$(cat context.txt)" >> $GITHUB_OUTPUT env: GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} - name: AI Response uses: actions/github-script@v7 with: script: | const response = await ai.chat(` Context: ${process.env.CONTEXT} Question: ${process.env.QUESTION} Provide a helpful, specific answer. Include code examples if relevant. `); await github.rest.issues.createComment({ owner: context.repo.owner, repo: context.repo.repo, issue_number: context.issue.number, body: response }); env: CONTEXT: ${{ steps.context.outputs.context }} QUESTION: ${{ steps.question.outputs.question }}```### 5.2 Command Patterns```markdown## Available Commands| Command | Description || :------------------- | :-------------------------- || `@ai-helper explain` | Explain the code in this PR || `@ai-helper review` | Request AI code review || `@ai-helper fix` | Suggest fixes for issues || `@ai-helper test` | Generate test cases || `@ai-helper docs` | Generate documentation || `/rebase` | Rebase PR onto main || `/update` | Update PR branch from main || `/approve` | Mark as approved by bot || `/label bug` | Add 'bug' label || `/assign @user` | Assign to user |```---## 6. Repository Configuration### 6.1 CODEOWNERS```# .github/CODEOWNERS# Global owners* @org/core-team# Frontend/src/frontend/ @org/frontend-team*.tsx @org/frontend-team*.css @org/frontend-team# Backend/src/api/ @org/backend-team/src/database/ @org/backend-team# Infrastructure/.github/ @org/devops-team/terraform/ @org/devops-teamDockerfile @org/devops-team# Docs/docs/ @org/docs-team*.md @org/docs-team# Security-sensitive/src/auth/ @org/security-team/src/crypto/ @org/security-team```### 6.2 Branch Protection```yaml# Set up via GitHub API- name: Configure branch protection uses: actions/github-script@v7 with: script: | await github.rest.repos.updateBranchProtection({ owner: context.repo.owner, repo: context.repo.repo, branch: 'main', required_status_checks: { strict: true, contexts: ['test', 'lint', 'ai-review'] }, enforce_admins: true, required_pull_request_reviews: { required_approving_review_count: 1, require_code_owner_reviews: true, dismiss_stale_reviews: true }, restrictions: null, required_linear_history: true, allow_force_pushes: false, allow_deletions: false });```---## Best Practices### Security- [ ] Store API keys in GitHub Secrets- [ ] Use minimal permissions in workflows- [ ] Validate all inputs- [ ] Don't expose sensitive data in logs### Performance- [ ] Cache dependencies- [ ] Use matrix builds for parallel testing- [ ] Skip unnecessary jobs with path filters- [ ] Use self-hosted runners for heavy workloads### Reliability- [ ] Add timeouts to jobs- [ ] Handle rate limits gracefully- [ ] Implement retry logic- [ ] Have rollback procedures---## Resources- [Gemini CLI GitHub Action](https://github.com/google-github-actions/run-gemini-cli)- [GitHub Actions Documentation](https://docs.github.com/en/actions)- [GitHub REST API](https://docs.github.com/en/rest)- [CODEOWNERS Syntax](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners)

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