Improve user script prompts

script-user-add

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # Add a user to the Hartman Lab server
-# Copyright 2021 Bryan C. Roessler
+# Copyright Bryan C. Roessler
 
 parent="${BASH_SOURCE[0]}"
 parent=${parent%/*}
@@ -9,17 +9,26 @@ parent=${parent%/*}
 
 is_root
 
-echo "$@"
+echo "This script supports two optional arguments, a username and password"
 
-[[ $# -eq 0 ]] && echo "No username provided!" && exit 1
-[[ $# -eq 1 ]] && username="$1" && password="$username"
-[[ $# -eq 2 ]] && username="$1" && password="$2"
-[[ $# -gt 2 ]] && echo "Too many arguments provided" && exit 1
+if [[ $# -eq 0 ]]; then
+    prompt username
+    prompt password
+elif [[ $# -eq 1 ]]; then
+    username="$1"
+    prompt password
+elif [[ $# -eq 2 ]]; then
+    username="$1"
+    password="$2"
+elif [[ $# -gt 2 ]]; then
+    echo "Too many arguments provided"
+    exit 1
+fi
 
-useradd_cmd=("useradd" "-m" "-U")
+useradd_cmd=(useradd -m -U)
 
-if id -u "$username"; then
-    ask_ok "User $username exists. Run script-user-remove?" || exit $?
+if id -u "$username" &>/dev/null; then
+    ask_ok "User $username exists. Run script-user-remove first?" || exit $?
     "$parent"/script-user-remove "$username" || exit $?
 fi
 
@@ -33,7 +42,7 @@ fi
 samba="no"
 ask_ok "Enable shared file access for user $username?" && group_str="smbgrp" && samba="yes"
 
-ask_ok "Make user $username an admin?" && \
+ask_ok "Make $username an admin?" && \
     group_str+=",wheel"
 
 useradd_cmd+=("-G" "$group_str")
@@ -54,15 +63,16 @@ if [[ "$samba" == "yes" ]]; then
     (echo "$password"; echo "$password") | smbpasswd -a -s "$username"
 fi
 
+# TODO check if centos 9 does by default
 # Add subuids & subgids for container namespace
-id_offset=100000
-id_num=65536
-last_uid=$(tail -1 /etc/subuid | cut -d':' -f2)
-last_gid=$(tail -1 /etc/subgid | cut -d':' -f2)
-start_uid=$(( last_uid + id_offset ))
-start_gid=$(( last_gid + id_offset ))
-echo "$username:$start_uid:$id_num" >> /etc/subuid
-echo "$username:$start_gid:$id_num" >> /etc/subgid
+# id_offset=100000
+# id_num=65536
+# last_uid=$(tail -1 /etc/subuid | cut -d':' -f2)
+# last_gid=$(tail -1 /etc/subgid | cut -d':' -f2)
+# start_uid=$(( last_uid + id_offset ))
+# start_gid=$(( last_gid + id_offset ))
+# echo "$username:$start_uid:$id_num" >> /etc/subuid
+# echo "$username:$start_gid:$id_num" >> /etc/subgid
 
 # Copy manual to user desktop
 mkdir -p /home/"$username"/Desktop/