Fixes

.github/workflows/push.yml

@@ -44,19 +44,19 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Validate Tag
         run: |
-            MSG=$(git log --format=%B -n 1 ${{github.event.after}})
-            TAG=$(echo MSG | sed 's/\[\(.*\)\].*/\1/')
+            MSG=$(git log --format=%B -n 1 ${{ github.event.pull_request.head.sha }})
+            TAG=$(echo $MSG | sed -ne 's/\[\(.*\)\].*/\1/p')
             echo "Found tag {$TAG}"
-            LINE=$(cat .codegen/changelog_config.yml | grep "tag: \"\[$(echo $TAG)\]\"")
-            VALID=$([ -z "$TAG" ] && echo "False" || echo "True")
-            echo "::set-env name=VALID_TAG::${TAG}"
-
-      - name: Valid Tag
-        if: ${{VALID}} != "true"
-        uses: actions/github-script@v3
-        with:
-          script: |
-            core.setFailed('Invalid tag name')
+            # Store in variable to hide the result from the console output
+            MATCH=$(cat .codegen/changelog_config.yml | grep "tag: \"\[$(echo $TAG)\]\"")
+
+      - name: Log failure
+        if: failure()
+        run: | 
+             echo "Invalid or missing tag in commit message"
+             exit 1