refactor

scripts/subinstallers/passwd.sh

@@ -1,20 +1,12 @@
 #!/bin/bash
 
 # INPUT default admin password
-while [ -z "${MISTBORN_DEFAULT_PASSWORD}" ]; do
+while [ -z "${MISTBORN_DEFAULT_PASSWORD}" ] || [ ${MISTBORN_DEFAULT_PASSWORD} =~ ^[A-Za-z0-9_]+$ ]; do
     echo
     echo "(Mistborn) The default admin password may only container alphanumeric characters and _"
     read -p "(Mistborn) Set default admin password: " -s MISTBORN_DEFAULT_PASSWORD
     echo
 
-    if [[ ${MISTBORN_DEFAULT_PASSWORD} =~ ^[A-Za-z0-9_]+$ ]]; then
-    # it matches
-        echo "(Mistborn) Password is accepted"
-    else
-        unset MISTBORN_DEFAULT_PASSWORD
-        echo "(Mistborn) Try again"
-    fi
-
 done
 
 echo