improve check_sec-scanners-config.sh

rename from check_tag_info.sh to check_sec-scanners-config.sh and add error handling and desciption.

.github/workflows/create-release.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Check image Tag
         env:
           VERSION: ${{ steps.gen-version.outputs.VERSION }}
-        run: ./scripts/check_tag_info.sh $VERSION
+        run: ./scripts/check_sec-scanners-config.sh $VERSION
 
   create-draft:
     name: Create draft release

scripts/check_tag_info.sh → scripts/check_sec-scanners-config.sh

@@ -1,10 +1,12 @@
 #!/usr/bin/env bash
 
-##############################
-# Check tags in security-scan-config.yaml
-# Image Tag, rc-tag
-##############################
+# This script checks thate the RC-Tag and the eventing-manager image have the tag of the corresponding release.
 
+# Error handling:
+set -o nounset  # treat unset variables as an error and exit immediately.
+set -o errexit  # exit immediately when a command fails.
+set -E          # needs to be set if we want the ERR trap
+set -o pipefail # prevents errors in a pipeline from being masked
 
 # Get release version
 DESIRED_TAG="${1:-"main"}"
@@ -19,12 +21,12 @@ RC_TAG=$(cat sec-scanners-config.yaml | grep "${RC_TAG_TO_CHECK}" | cut -d : -f
 
 # Check IMAGE_TAG and required image tag
 if [[ "$IMAGE_TAG" != "$DESIRED_TAG" ]] || [[ "$RC_TAG" != "$DESIRED_TAG" ]]; then
-  # ERROR: Tag issue
-  echo "Tags are not correct:
+	# ERROR: Tag issue
+	echo "Tags are not correct:
   - wanted: $DESIRED_TAG
   - security-scanner image tag: $IMAGE_TAG
   - rc-tag: $RC_TAG"
-  exit 1
+	exit 1
 fi
 
 # OK: Everything is fine