CI: autofix dependabot reth PR with claude #1
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| name: Dependabot Auto-fix | |
| on: | |
| pull_request: | |
| types: [opened, synchronize] | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| build-and-fix: | |
| # Only run on Dependabot PRs | |
| if: github.actor == 'dependabot[bot]' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout PR branch | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.head_ref }} | |
| fetch-depth: 0 | |
| - name: Setup Rust | |
| uses: dtolnay/rust-action@stable | |
| - name: Cache cargo registry | |
| uses: actions/cache@v4 | |
| with: | |
| path: | | |
| ~/.cargo/registry | |
| ~/.cargo/git | |
| target | |
| key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }} | |
| - name: Build and capture errors | |
| id: build | |
| continue-on-error: true | |
| run: | | |
| cargo build 2>&1 | tee build_output.txt | |
| echo "exit_code=${PIPESTATUS[0]}" >> $GITHUB_OUTPUT | |
| - name: Run Claude to fix issues | |
| if: steps.build.outputs.exit_code != '0' | |
| uses: anthropics/claude-code-action@beta | |
| with: | |
| anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }} | |
| prompt: | | |
| The Dependabot PR to update reth dependencies has build failures. | |
| Build output is in build_output.txt. Please: | |
| 1. Read the build errors | |
| 2. Analyze what changes are needed to fix compatibility issues | |
| 3. Make the necessary code fixes | |
| 4. Do NOT change the dependency versions back - fix the code to work with the new versions | |
| Focus on: | |
| - API changes in reth crates | |
| - Type signature changes | |
| - Removed or renamed functions/structs | |
| - New required trait implementations | |
| - name: Generate diff | |
| if: steps.build.outputs.exit_code != '0' | |
| id: diff | |
| run: | | |
| git diff > suggested_fixes.diff | |
| if [ -s suggested_fixes.diff ]; then | |
| echo "has_changes=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "has_changes=false" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Comment on PR with suggested fixes | |
| if: steps.build.outputs.exit_code != '0' && steps.diff.outputs.has_changes == 'true' | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const diff = fs.readFileSync('suggested_fixes.diff', 'utf8'); | |
| const buildOutput = fs.readFileSync('build_output.txt', 'utf8'); | |
| // Truncate build output if too long | |
| const maxBuildLen = 3000; | |
| const truncatedBuild = buildOutput.length > maxBuildLen | |
| ? buildOutput.slice(-maxBuildLen) + '\n... (truncated)' | |
| : buildOutput; | |
| const body = `## 🤖 Claude Auto-fix Suggestions | |
| The build failed with the following errors: | |
| <details> | |
| <summary>Build Output</summary> | |
| \`\`\` | |
| ${truncatedBuild} | |
| \`\`\` | |
| </details> | |
| ### Suggested Fixes | |
| Claude analyzed the build failures and suggests the following changes: | |
| \`\`\`diff | |
| ${diff} | |
| \`\`\` | |
| <details> | |
| <summary>Apply this patch</summary> | |
| \`\`\`bash | |
| curl -sL ${{ github.event.pull_request.html_url }}.diff | git apply | |
| # Or copy the diff above and run: git apply < suggested_fixes.diff | |
| \`\`\` | |
| </details> | |
| --- | |
| *Generated with [Claude Code](https://claude.ai/claude-code)*`; | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| body: body | |
| }); | |
| - name: Comment if no fixes found | |
| if: steps.build.outputs.exit_code != '0' && steps.diff.outputs.has_changes == 'false' | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const buildOutput = fs.readFileSync('build_output.txt', 'utf8'); | |
| const maxBuildLen = 5000; | |
| const truncatedBuild = buildOutput.length > maxBuildLen | |
| ? buildOutput.slice(-maxBuildLen) + '\n... (truncated)' | |
| : buildOutput; | |
| const body = `## 🤖 Claude Auto-fix Analysis | |
| The build failed but Claude was unable to automatically generate fixes. | |
| <details> | |
| <summary>Build Output</summary> | |
| \`\`\` | |
| ${truncatedBuild} | |
| \`\`\` | |
| </details> | |
| Manual intervention may be required to resolve these compatibility issues. | |
| --- | |
| *Generated with [Claude Code](https://claude.ai/claude-code)*`; | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| body: body | |
| }); |