🤖 Add PR auto-merge workflow
Automatically merges PRs from auto-fix bot when all checks pass. Features: - Zero manual intervention for compliant PRs - Validates all checks passed - Safe merge (squash + delete branch) - Creates issues for failed PRs - Comprehensive logging Expected Impact: - 90%+ PR automation rate - <5 minute merge time - ~10 hours/week time savings © 2025-2026 BlackRoad OS, Inc.
This commit is contained in:
Alexa Amundson
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.github/workflows/blackroad-auto-merge.yml
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185
.github/workflows/blackroad-auto-merge.yml
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name: 🤖 BlackRoad Auto-Merge
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on:
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pull_request:
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types: [opened, synchronize, reopened]
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check_suite:
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types: [completed]
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workflow_run:
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workflows: ["🔍 BlackRoad Compliance Check"]
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types: [completed]
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permissions:
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contents: write
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pull-requests: write
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checks: read
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jobs:
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auto-merge:
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name: Auto-Merge Compliant PRs
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runs-on: ubuntu-latest
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# Only run for bot-created PRs
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if: |
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github.event.pull_request.user.login == 'github-actions[bot]' ||
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github.actor == 'github-actions[bot]'
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steps:
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- name: 📥 Checkout Repository
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uses: actions/checkout@v4
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- name: 🔍 Get PR Details
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id: pr
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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# Get PR number
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if [ -n "${{ github.event.pull_request.number }}" ]; then
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PR_NUMBER="${{ github.event.pull_request.number }}"
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else
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# If triggered by workflow_run, find the PR
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PR_NUMBER=$(gh pr list --head blackroad-auto-fix --json number --jq '.[0].number')
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fi
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if [ -z "$PR_NUMBER" ]; then
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echo "No PR found, exiting..."
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exit 0
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fi
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echo "number=$PR_NUMBER" >> $GITHUB_OUTPUT
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# Get PR status
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PR_DATA=$(gh pr view "$PR_NUMBER" --json statusCheckRollup,headRefName,mergeable,mergeStateStatus)
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# Extract status
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STATUS=$(echo "$PR_DATA" | jq -r '.statusCheckRollup[] | select(.conclusion != null) | .conclusion' | sort -u)
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MERGEABLE=$(echo "$PR_DATA" | jq -r '.mergeable')
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MERGE_STATE=$(echo "$PR_DATA" | jq -r '.mergeStateStatus')
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BRANCH=$(echo "$PR_DATA" | jq -r '.headRefName')
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echo "status=$STATUS" >> $GITHUB_OUTPUT
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echo "mergeable=$MERGEABLE" >> $GITHUB_OUTPUT
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echo "merge_state=$MERGE_STATE" >> $GITHUB_OUTPUT
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echo "branch=$BRANCH" >> $GITHUB_OUTPUT
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echo "PR #$PR_NUMBER status: $STATUS, mergeable: $MERGEABLE, state: $MERGE_STATE"
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- name: ✅ Validate PR for Auto-Merge
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id: validate
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run: |
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CAN_MERGE="false"
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# Check 1: Is this from blackroad-auto-fix branch?
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if [[ "${{ steps.pr.outputs.branch }}" == "blackroad-auto-fix" ]]; then
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echo "✅ PR is from auto-fix branch"
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# Check 2: Is mergeable?
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if [[ "${{ steps.pr.outputs.mergeable }}" == "MERGEABLE" ]]; then
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echo "✅ PR is mergeable (no conflicts)"
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# Check 3: All checks passed or no checks?
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if [[ -z "${{ steps.pr.outputs.status }}" ]] || [[ "${{ steps.pr.outputs.status }}" == "SUCCESS" ]]; then
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echo "✅ All checks passed (or no checks required)"
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CAN_MERGE="true"
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else
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echo "⚠️ Some checks failed or are pending: ${{ steps.pr.outputs.status }}"
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fi
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else
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echo "⚠️ PR has merge conflicts or is not mergeable"
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fi
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else
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echo "ℹ️ Not an auto-fix PR (branch: ${{ steps.pr.outputs.branch }}), skipping"
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fi
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echo "can_merge=$CAN_MERGE" >> $GITHUB_OUTPUT
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- name: 🚀 Merge PR
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if: steps.validate.outputs.can_merge == 'true' && steps.pr.outputs.number != ''
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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PR_NUMBER="${{ steps.pr.outputs.number }}"
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echo "🤖 Merging PR #$PR_NUMBER..."
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# Merge with squash and delete branch
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gh pr merge "$PR_NUMBER" \
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--squash \
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--delete-branch \
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--body "✅ Auto-merged by BlackRoad Auto-Merge System
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This PR passed all compliance checks and was automatically merged.
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🤖 Automated by BlackRoad Auto-Merge
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© 2025-2026 BlackRoad OS, Inc."
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echo "✅ PR #$PR_NUMBER merged successfully!"
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- name: 💬 Add Success Comment
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if: steps.validate.outputs.can_merge == 'true' && steps.pr.outputs.number != ''
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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PR_NUMBER="${{ steps.pr.outputs.number }}"
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gh pr comment "$PR_NUMBER" --body "🤖 **Auto-Merge Successful**
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This PR has been automatically merged because:
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- ✅ Created by BlackRoad auto-fix bot
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- ✅ All compliance checks passed
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- ✅ No merge conflicts
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- ✅ No manual review required
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The changes are now live on the default branch.
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---
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🤖 Automated by BlackRoad Auto-Merge System
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© 2025-2026 BlackRoad OS, Inc." || true
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- name: 📝 Create Issue on Validation Failure
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if: |
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steps.validate.outputs.can_merge == 'false' &&
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steps.pr.outputs.number != '' &&
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steps.pr.outputs.branch == 'blackroad-auto-fix'
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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PR_NUMBER="${{ steps.pr.outputs.number }}"
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REPO="${{ github.repository }}"
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gh issue create \
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--title "⚠️ Auto-Fix PR Requires Manual Review: #$PR_NUMBER" \
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--body "## Auto-Fix PR Could Not Be Auto-Merged
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**PR:** #$PR_NUMBER
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**Status:** Manual review needed ⚠️
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**Reason:** Checks failed or merge conflicts detected
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### Details:
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The auto-fix PR did not pass automatic validation.
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**Branch:** \`${{ steps.pr.outputs.branch }}\`
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**Mergeable:** \`${{ steps.pr.outputs.mergeable }}\`
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**Merge State:** \`${{ steps.pr.outputs.merge_state }}\`
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**Check Status:** \`${{ steps.pr.outputs.status }}\`
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### Action Required:
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Please review the PR manually and resolve any issues.
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**PR Link:** https://github.com/$REPO/pull/$PR_NUMBER
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---
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🤖 Automated Alert from BlackRoad Auto-Merge System
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© 2025-2026 BlackRoad OS, Inc." \
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--label "auto-fix-failed,needs-review" || true
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- name: 🚨 Notify on Critical Failure
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if: failure()
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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echo "🚨 Auto-merge workflow encountered an error"
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echo "This may require manual intervention"
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# If Slack webhook is configured, uncomment below:
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# curl -X POST "${{ secrets.SLACK_WEBHOOK }}" -H 'Content-Type: application/json' \
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# -d '{"text":"🚨 Auto-merge failed in ${{ github.repository }}"}'
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