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| 1 | +name: Auto Merge Dependabot PRs |
| 2 | + |
| 3 | +on: |
| 4 | + pull_request: |
| 5 | + types: |
| 6 | + - opened |
| 7 | + - synchronize |
| 8 | + |
| 9 | +permissions: |
| 10 | + pull-requests: write |
| 11 | + contents: write |
| 12 | + |
| 13 | +jobs: |
| 14 | + auto-merge: |
| 15 | + runs-on: ubuntu-latest |
| 16 | + if: github.actor == 'dependabot[bot]' |
| 17 | + |
| 18 | + steps: |
| 19 | + - name: Checkout the repository |
| 20 | + uses: actions/checkout@v3 |
| 21 | + |
| 22 | + - name: Set up GitHub CLI |
| 23 | + run: | |
| 24 | + # Install GitHub CLI (gh) |
| 25 | + sudo apt-get update |
| 26 | + sudo apt-get install gh |
| 27 | +
|
| 28 | + # Authenticate GitHub CLI using the provided token |
| 29 | + echo ${{ secrets.GITHUB_TOKEN }} | gh auth login --with-token |
| 30 | + |
| 31 | + - name: Wait for CI workflow to pass (Ensure CI workflow succeeded) |
| 32 | + id: wait_for_ci |
| 33 | + run: | |
| 34 | + # Get the PR number from the GitHub event |
| 35 | + PR_NUMBER=${{ github.event.pull_request.number }} |
| 36 | + echo "Checking CI status for PR #$PR_NUMBER" |
| 37 | + |
| 38 | + # Define the maximum wait time (in seconds) and the polling interval (in seconds) |
| 39 | + MAX_WAIT_TIME=1800 # 30 minutes |
| 40 | + POLL_INTERVAL=10 # Check every 10 seconds |
| 41 | + |
| 42 | + # Initialize a timer |
| 43 | + elapsed_time=0 |
| 44 | + |
| 45 | + # Poll CI status until all checks are completed |
| 46 | + while true; do |
| 47 | + # Fetch the status check rollup for the PR |
| 48 | + CI_STATUS=$(gh pr view $PR_NUMBER --json statusCheckRollup) |
| 49 | + |
| 50 | + # Log the fetched response |
| 51 | + echo "CI Status Response: $CI_STATUS" |
| 52 | + |
| 53 | + # Parse the checks and check their status |
| 54 | + ALL_COMPLETED=true |
| 55 | + ALL_CHECKS_PASSED=true |
| 56 | + |
| 57 | + for check in $(echo "$CI_STATUS" | jq -r '.statusCheckRollup[] | @base64'); do |
| 58 | + _jq() { |
| 59 | + echo "${check}" | base64 --decode | jq -r "${1}" |
| 60 | + } |
| 61 | + |
| 62 | + status=$(_jq '.status') |
| 63 | + conclusion=$(_jq '.conclusion') |
| 64 | + check_name=$(_jq '.name') |
| 65 | + |
| 66 | + # Log check details |
| 67 | + echo "Check: $check_name, Status: $status, Conclusion: $conclusion" |
| 68 | + if [[ "$check_name" == "auto-merge" ]]; then |
| 69 | + echo "Skipping 'auto-merge' workflow check to prevent self-referencing." |
| 70 | + continue |
| 71 | + fi |
| 72 | +
|
| 73 | + # If any check is still queued, set ALL_COMPLETED to false |
| 74 | + if [[ "$status" == "QUEUED" ]]; then |
| 75 | + ALL_COMPLETED=false |
| 76 | + fi |
| 77 | + |
| 78 | + # If any check is still in progress, set ALL_COMPLETED to false |
| 79 | + if [[ "$status" == "IN_PROGRESS" ]]; then |
| 80 | + ALL_COMPLETED=false |
| 81 | + fi |
| 82 | + |
| 83 | + # If any completed check has failed, set ALL_CHECKS_PASSED to false |
| 84 | + if [[ "$status" == "COMPLETED" && "$conclusion" != "SUCCESS" ]]; then |
| 85 | + ALL_CHECKS_PASSED=false |
| 86 | + fi |
| 87 | + done |
| 88 | + |
| 89 | + # Break the loop if all checks are completed |
| 90 | + if [[ "$ALL_COMPLETED" == true ]]; then |
| 91 | + break |
| 92 | + fi |
| 93 | + |
| 94 | + # Wait for the next polling interval |
| 95 | + echo "Waiting for checks to complete... ($elapsed_time/$MAX_WAIT_TIME seconds elapsed)" |
| 96 | + sleep $POLL_INTERVAL |
| 97 | + elapsed_time=$((elapsed_time + POLL_INTERVAL)) |
| 98 | + |
| 99 | + # Exit if the maximum wait time is exceeded |
| 100 | + if [[ "$elapsed_time" -ge "$MAX_WAIT_TIME" ]]; then |
| 101 | + echo "Timed out waiting for CI checks to complete." |
| 102 | + exit 1 |
| 103 | + fi |
| 104 | + done |
| 105 | + |
| 106 | + # Final check: Ensure all CI checks passed |
| 107 | + if [[ "$ALL_CHECKS_PASSED" == false ]]; then |
| 108 | + echo "One or more CI checks failed. Aborting merge." |
| 109 | + exit 1 |
| 110 | + fi |
| 111 | + |
| 112 | + echo "All CI checks passed successfully." |
| 113 | +
|
| 114 | + |
| 115 | + - name: Check Target Branch and PR Title |
| 116 | + id: check_branch |
| 117 | + run: | |
| 118 | + PR_TITLE='${{ github.event.pull_request.title }}' |
| 119 | + echo "Original PR Title: $PR_TITLE" |
| 120 | + |
| 121 | + # Escape problematic quotes |
| 122 | + ESCAPED_TITLE=$(echo "$PR_TITLE" | sed 's/"/\\"/g') |
| 123 | + echo "Escaped PR Title: $ESCAPED_TITLE" |
| 124 | +
|
| 125 | + if [[ "$ESCAPED_TITLE" =~ ([0-9]+\.[0-9]+\.[0-9]+).*to.*([0-9]+\.[0-9]+\.[0-9]+) ]]; then |
| 126 | + # Extract version numbers |
| 127 | + OLD_VERSION="${BASH_REMATCH[1]}" |
| 128 | + NEW_VERSION="${BASH_REMATCH[2]}" |
| 129 | + echo "Version change detected: $OLD_VERSION to $NEW_VERSION" |
| 130 | + |
| 131 | + # Split version into major, minor, patch components |
| 132 | + OLD_MAJOR=$(echo "$OLD_VERSION" | cut -d '.' -f1) |
| 133 | + OLD_MINOR=$(echo "$OLD_VERSION" | cut -d '.' -f2) |
| 134 | + OLD_PATCH=$(echo "$OLD_VERSION" | cut -d '.' -f3) |
| 135 | + |
| 136 | + NEW_MAJOR=$(echo "$NEW_VERSION" | cut -d '.' -f1) |
| 137 | + NEW_MINOR=$(echo "$NEW_VERSION" | cut -d '.' -f2) |
| 138 | + NEW_PATCH=$(echo "$NEW_VERSION" | cut -d '.' -f3) |
| 139 | + |
| 140 | + # Check if it's a minor or patch update |
| 141 | + if [[ "$OLD_MAJOR" == "$NEW_MAJOR" ]] && [[ "$OLD_MINOR" == "$NEW_MINOR" ]] && [[ "$NEW_PATCH" -gt "$OLD_PATCH" ]]; then |
| 142 | + echo "Patch update detected" |
| 143 | + echo "should_merge=true" >> $GITHUB_ENV |
| 144 | + elif [[ "$OLD_MAJOR" == "$NEW_MAJOR" ]] && [[ "$NEW_MINOR" -gt "$OLD_MINOR" ]]; then |
| 145 | + echo "Minor update detected" |
| 146 | + echo "should_merge=true" >> $GITHUB_ENV |
| 147 | + else |
| 148 | + echo "No minor/patch update detected" |
| 149 | + echo "should_merge=false" >> $GITHUB_ENV |
| 150 | + fi |
| 151 | + else |
| 152 | + echo "No version change detected" |
| 153 | + echo "should_merge=false" >> $GITHUB_ENV |
| 154 | + fi |
| 155 | +
|
| 156 | + - name: Debug Context |
| 157 | + uses: actions/github-script@v6 |
| 158 | + with: |
| 159 | + script: | |
| 160 | + console.log("Target branch:", context.payload.pull_request.base.ref); |
| 161 | +
|
| 162 | + - name: Check if Should Merge |
| 163 | + run: | |
| 164 | + echo "DEBUG: should_merge=${{ env.should_merge }}" |
| 165 | + if [[ "${{ env.should_merge }}" == "true" ]] && [[ "${{ github.event.pull_request.base.ref }}" == "Automatic_version_update_dependabot" ]]; then |
| 166 | + echo "DEBUG: should merge PR" |
| 167 | + echo "should_merge=true" >> $GITHUB_ENV |
| 168 | + else |
| 169 | + echo "DEBUG: skip merge" |
| 170 | + echo "should_merge=false" >> $GITHUB_ENV |
| 171 | + fi |
| 172 | +
|
| 173 | + - name: Merge Pull Request |
| 174 | + if: ${{ env.should_merge == 'true' }} |
| 175 | + uses: actions/github-script@v6 |
| 176 | + with: |
| 177 | + script: | |
| 178 | + github.rest.pulls.merge({ |
| 179 | + owner: context.repo.owner, |
| 180 | + repo: context.repo.repo, |
| 181 | + pull_number: context.payload.pull_request.number, |
| 182 | + merge_method: "squash" |
| 183 | + }); |
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