dependabot-auto-merge.yaml

name: Dependabot auto-merge
on: pull_request

permissions:
  contents: write
  pull-requests: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}

    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Check if aws-sdk-go-v2 is in the dependency list
        id: check
        env:
          DEPENDENCIES: ${{ steps.metadata.outputs.dependency-names }}
          UPDATE_TYPE: ${{ steps.metadata.outputs.update-type }}
        run: |
          if [[ $UPDATE_TYPE == "version-update:semver-major" ]]; then
            if [[ $DEPENDENCIES == "tj-actions/changed-files" ]]; then
              echo "match=true" >> $GITHUB_OUTPUT
            else
              echo "match=false" >> $GITHUB_OUTPUT
            fi
          elif [[ $UPDATE_TYPE == "version-update:semver-minor" ]]; then
            if [[ $DEPENDENCIES == "tj-actions/changed-files" ]]; then
              echo "match=true" >> $GITHUB_OUTPUT
            else
              echo "match=false" >> $GITHUB_OUTPUT
            fi
          elif [[ $UPDATE_TYPE == "version-update:semver-patch" ]]; then
            if [[ $DEPENDENCIES == "github.com/aws/aws-sdk-go-v2"* ]] || [[ $DEPENDENCIES == "tj-actions/changed-files" ]]; then
              echo "match=true" >> $GITHUB_OUTPUT
            else
              echo "match=false" >> $GITHUB_OUTPUT
            fi
          fi

      - name: Approve and Enable auto-merge for Dependabot PRs
        if: ${{ steps.check.outputs.match == 'true' }}
        run: |
          gh pr review --approve "$PR_URL"
          gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}