Dependabot script: Legg på krav om at endringen bygges og testes, og …

…at vi får slack-melding om noe feiler

.github/workflows/dependabot-auto-merge.yml

@@ -19,16 +19,25 @@ jobs:
           java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
-      - name: Run tests
-        run: ./gradlew test
+      - name: Build and run tests
+        run: ./gradlew build
       - name: Dependabot metadata
         id: metadata
         uses: dependabot/fetch-metadata@v2
         with:
-          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Auto-merge changes from Dependabot
         if: steps.metadata.outputs.update-type != 'version-update:semver-major' || steps.metadata.outputs.package-ecosystem == 'github_actions'
         run: gh pr merge --auto --squash "$PR_URL"
         env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Notify Slack in case of merge failure
+        if: failure()
+        run: |
+          curl -X POST --data-urlencode "payload={ \"attachments\": [{ \"pretext\": \"[${{ github.event.repository.name }}] Merge failed :cry:\", \"color\": \"danger\", \"fields\": [ { \"title\": \"Author\", \"value\": \"$AUTHOR\", \"short\": false }, { \"title\": \"Branch\", \"value\": \"$BRANCH\", \"short\": false }, { \"title\": \"Commit\", \"value\": \"<https://github.com/${{ github.repository }}/commit/$PR_SHA|$PR_SHA>\", \"short\": false } ] }] }" $WEBHOOK_URL
+        env:
+          PR_SHA: ${{ github.event.pull_request.head.sha }}
+          BRANCH: ${{ github.head_ref }}
+          AUTHOR: ${{ github.actor }}
+          WEBHOOK_URL: ${{ secrets.SLACK_VARSEL_WEBHOOK_URL }}