validate date is in the past

.github/workflows/recover_s3_repository.yml

@@ -52,8 +52,18 @@ jobs:
           python3 -c "from datetime import datetime; datetime.strptime('$datetime', '%m-%d-%Y %H:%M:%S %z')" 2> /dev/null
           exit_code=$?          
           if [ $exit_code -ne 0 ]; then
+            echo "Invalid datetime: $datetime"
             exit 1
           fi
+          
+          # check that datetime is not in the future
+          python3 -c "from datetime import datetime; import sys; sys.exit(1) if datetime.strptime('$datetime', '%m-%d-%Y %H:%M:%S %z') >= datetime.now()"
+          exit_code=$?          
+          if [ $exit_code -ne 0 ]; then
+            echo "datetime cannot be in the future: $datetime"
+            exit 1
+          fi
+          
           echo "DATE_TIME=$datetime" >> $GITHUB_ENV
 
       - name: Validate path input does not have leading nor trailing slash