Better detection

.github/workflows/push.yml

@@ -68,13 +68,9 @@ jobs:
       - name: Validate Tag
         run: |
           TAG=$(echo ${{ github.event.pull_request.title }} | sed -ne 's/\[\(.*\)\].*/\1/p')
-          echo "Found tag {$TAG}"
-          # The status code for grep will be 1 if no match, and 0 if a match.
-          # Store in variable to hide the actual grep result from the console output.
-          MATCH=$(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
+          if grep -q "tag: \"[$TAG]\"" .codegen/changelog_config.yml; then 
+            echo "Invalid or missing tag in commit message." 
+            exit 1
+          else 
+            echo "Match not found. Exiting..."
+          fi

test.sh

@@ -0,0 +1,6 @@
+if grep -q "tag: \"\[$TAG\]\"" .codegen/changelog_config.yml; then 
+  echo "Match found." 
+else 
+  echo "Match not found. Exiting..." 
+  exit 1 
+fi