Split env installation into a separate step, r2

Author: leshikus

scripts/run-util.sh

@@ -2,21 +2,23 @@ print_env_info() {
     conda info
     conda list -n triton
 }
-
+set -vx
 while [ -v 1 ]; do
   case "$1" in
     --python-version)
       python_version=$2
       shift 2
       ;;
-    install-env)
-      install_env
-      print_env_info
-      exit 0
-      ;;
     *)
       script_name=$1
       shift
       ;;
   esac
 done
+
+if [ $(head -1 "$script_name") = install-env ]
+then
+  install_env
+  print_env_info
+  exit 0
+fi