Simplify __main() logic

functions

@@ -105,3 +105,15 @@ fixPermissions () {
     # Allow container access to the workdir (SELinux)
     chcon -t container_file_t -R "$1"
 }
+
+
+debug () {
+
+    [[ -n $_debug ]] && echo "debug: " "$@"
+}
+
+
+silent () {
+
+    [[ -z $_silent ]] && echo "$@"
+}