rat cli and exclude list syntax fix

Author: Daan Hoogland

.github/workflows/rat.yaml

@@ -28,19 +28,9 @@ jobs:
           curl -L -O https://downloads.apache.org/creadur/apache-rat-0.16.1/apache-rat-0.16.1-bin.tar.gz
           tar -xzf apache-rat-0.16.1-bin.tar.gz
 
-      - name: Create exception list
-        run: |
-          echo ./exception.lst >exception.lst
-          echo ./CHANGES.md >>exception.lst
-          echo ./go.sum >>exception.lst
-          echo ./rat-report.txt >>exception.lst
-          echo ./apache-rat-0.16.1/* >>exception.lst
-          echo ./snap/snapcraft.yaml >>exception.lst
-          echo ./vedor/* >>exception.lst
-
       - name: Run RAT
         run: |
-          java -jar apache-rat-0.16.1/apache-rat-0.16.1.jar -d . -E exception.lst > rat-report.txt
+          java -jar apache-rat-0.16.1/apache-rat-0.16.1.jar -d . -E .rat-exceptions > rat-report.txt
           cat rat-report.txt
           # Fail if unapproved licenses are found
-          grep -q 'Unknown Licenses' rat-report.txt && exit 1 || exit 0
+          grep -qe '^0 Unknown Licenses' rat-report.txt && exit 0 || exit 1