Add: The installer now checks for bad username and wll not continue unless a valid username has been set.

Change: A few prompts have been edited/added for better aesthetics.
Change: User input at the 'Multiboot Status' stage now defaults to lowercase.
Change: Minor code changes for simplification.

Amelia.sh

@@ -2,7 +2,7 @@
 
 # Amelia Installer
 # Source: https://gitlab.com/prism7/archery
-# Version: 9.7.0
+# Version: 9.7.1
 
         set -euo pipefail
 ###################################################################################################
@@ -690,7 +690,7 @@ Enter a number: "
 ###################################################################################################
 slct_locale() {
 
-        local prompt="Locale"
+        local prompt="Locale Selection"
         sleep 0.2
         NC "
 
@@ -744,7 +744,7 @@ Enter your Locale ${bwhite}(empty for 'en_US')${blue}: "
 ###################################################################################################
 slct_kbd() {
 
-        local prompt="Keyboard Layout"
+        local prompt="Keyboard Layout Selection"
         local stage_prompt="Setting Keyboard Layout"
         sleep 0.2
         NC "
@@ -808,7 +808,7 @@ Enter your keyboard layout ${bwhite}(empty for 'us')${blue}: "
 ###################################################################################################
 user_setup() {
 
-        local prompt="User"
+        local prompt="User Setup"
         sleep 0.2
         NC "
 
@@ -832,7 +832,7 @@ Enter a username: "
         ---------------------------------------------"
         reload
         return 1
-    fi
+    elif [[ "${USERNAME}" =~ ^[a-z_]([a-z0-9_-]{0,31}|[a-z0-9_-]{0,30}\$)$ ]]; then
 
         BLUE "
 Enter a password for${nc} ${cyan}${USERNAME}${blue}: "
@@ -865,12 +865,21 @@ Re-enter${nc} ${cyan}${USERNAME}'s ${blue}password: "
             reload
             return 1
         fi
+    else
+        sleep 0.2
+        RED "
+        ---------------------------------------------------
+        ###  ${yellow}Please enter a valid username to continue  ${red}###
+        ---------------------------------------------------"
+        reload
+        return 1
+    fi
         ok
 }
 ###################################################################################################
 rootuser_setup() {
 
-        local prompt="Root User"
+        local prompt="Root User Setup"
         sleep 0.2
         NC "
 
@@ -914,7 +923,7 @@ Re-enter${nc} ${cyan}Root ${blue}user's password: "
 ###################################################################################################
 slct_hostname() {
 
-        local prompt="Hostname"
+        local prompt="Hostname Setup"
         sleep 0.2
         NC "
 
@@ -950,7 +959,7 @@ Enter a hostname: "
 ###################################################################################################
 slct_shell() {
 
-        local prompt="Shell"
+        local prompt="Shell Selection"
         sleep 0.2
         NC "
 
@@ -3468,7 +3477,6 @@ ${magenta}###${nc}------------------------------------${magenta}[ ${bwhite}Multi
 
 
 
-
         ###  If ${nc}'(y)es'${yellow} then: "
         CYAN "
 
@@ -3486,6 +3494,8 @@ Enter [y/n]: "
         read -r -p "
 ==> " multibooting
 
+        multibooting="${multibooting,,}"
+
     case "${multibooting}" in
         y)
             sleep 0.2
@@ -3647,7 +3657,6 @@ Enter a disk number ${bwhite}(empty to skip)${blue}: "
                 until manual_presets; do : ; done
                 until set_partsize; do : ; done
                 until partitioner; do : ; done
-                return 0
             else
                 invalid
                 return 1
@@ -3854,10 +3863,8 @@ partitioner() {
     if [[ "${install}" == "yes" ]]; then
         until sanity_check; do : ; done
     else
-        if [[ -n "${preset}" ]]; then
         ok
     fi
-    fi
 }
 ###################################################################################################
 manual_part() {
@@ -3968,6 +3975,7 @@ Enter a disk number: "
         -----------------------------------"
                 reload
                 until main_menu; do : ; done
+                return 0
             fi
             volumes="$(fdisk -l | grep '^/dev' | cat --number)"
             rota="$(lsblk "${instl_drive}" --nodeps --noheadings --output=rota | awk "{print \$1}")"
@@ -4002,6 +4010,7 @@ Enter a disk number: "
                 until ask_multibooting; do : ; done
             fi
             until sanity_check; do : ; done
+            return 0
         else
             invalid
             return 1