Update install_arch_solphyr.sh

install_arch_solphyr.sh

@@ -14,10 +14,43 @@ NO_PROMPT=0
 [[ ! -f .env ]] && { warn ".env missing, creating from template"; cp .env.template .env 2>/dev/null || touch .env; }
 source .env || true
 
-prompt_var(){ local n=$1 t=$2 d="${!n:-}"; [[ $NO_PROMPT == 1 ]] && { info "Using $n=$d"; return; }
-read -e -p "$t [$d]: " i; [[ -n $i ]] && eval "$n=\"\$i\""; }
-prompt_secret(){ local n=$1 t=$2 d="${!n:-}"; if [[ -z $d ]]; then read -s -p "$t: " i; echo; eval "$n=\"\$i\""; else info "Using $n from .env"; fi; }
-save_env(){ local n=$1 v="${!n}"; sed -i "/^$n=/d" .env; echo "$n=\"$v\"" >> .env; }
+# --- Safe prompting helpers ---
+prompt_var() {
+    local var_name="$1"
+    local prompt_text="$2"
+    local default_val
+    default_val="$(eval "echo \${$var_name:-}")"
+    if [[ "$NO_PROMPT" == "1" ]]; then
+        info "Using $var_name=$default_val"
+        return
+    fi
+    read -e -p "$prompt_text [${default_val}]: " input
+    if [[ -n "$input" ]]; then
+        eval "$var_name=\"\$input\""
+    fi
+}
+
+prompt_secret() {
+    local var_name="$1"
+    local prompt_text="$2"
+    local default_val
+    default_val="$(eval "echo \${$var_name:-}")"
+    if [[ -z "$default_val" ]]; then
+        read -s -p "$prompt_text: " input
+        echo
+        eval "$var_name=\"\$input\""
+    else
+        info "Using $var_name from .env"
+    fi
+}
+
+save_env() {
+    local var_name="$1"
+    local var_value
+    var_value="$(eval "echo \${$var_name}")"
+    sed -i "/^${var_name}=/d" .env
+    echo "${var_name}=\"${var_value}\"" >> .env
+}
 
 # --- Gather configuration ---
 prompt_var HOSTNAME "Hostname"; prompt_var USERNAME "Username"; prompt_var KEYMAP "Keymap"
@@ -144,7 +177,7 @@ cat <<EOF
 
 ${g}${b}✅ Arch Linux installation complete!${r}
 
-Remove media and reboot:
+Remove installation media and reboot:
   ${b}reboot${r}
 
 Then log in as '${USERNAME}' and pull your next setup, e.g.: