Install Date: Rewrite function

neofetch

@@ -1747,43 +1747,25 @@ get_users() {
 
 get_install_date() {
     case "$os" in
-        "Linux" | "iPhone OS")
-            install_date="$(ls -alct --full-time / | awk '/lost\+found|private/ {printf  $6 " " $7}')"
-        ;;
-
-        "Mac OS X")
-            install_date="$(ls -lUT /var/log/install.log | awk '{printf $9 " " $6 " " $7 " " $8}')"
-        ;;
-
+        "Linux" | "iPhone OS") install_file="/lost+found" ;;
+        "Mac OS X") install_file="/var/log/install.log" ;;
+        "Solaris") install_file="/var/sadm/system/logs/install_log" ;;
+        "Windows") install_file="/cygdrive/c/Windows/explorer.exe" ;;
+        "Haiku") install_file="/boot" ;;
         "BSD" | "MINIX")
             case "$kernel_name" in
-                "OpenBSD"* | "Bitrig"* | "MINIX")
-                    install_file="/"
-                ;;
-
-                "FreeBSD"*)
-                    install_file="/etc/hostid"
-                ;;
-
-                "NetBSD"* | "DragonFly"*)
-                    install_file="/etc/defaults/rc.conf"
-                ;;
+                "FreeBSD") install_file="/etc/hostid" ;;
+                "NetBSD" | "DragonFly"*) install_file="/etc/defaults/rc.conf" ;;
+                *) install_file="/" ;;
             esac
-
-            install_date="$(ls -alctT "$install_file" | awk '{printf $9 " " $6 " " $7 " " $8 " "}')"
-        ;;
-
-        "Windows")
-            install_date="$(ls -alct --full-time /cygdrive/c/Windows/explorer.exe | awk '{printf $8 " " $9}')"
-        ;;
-
-        "Solaris")
-            install_date="$(ls -alct --full-time /var/sadm/system/logs/install_log | awk '{printf $6 " " $7}')"
         ;;
+    esac
 
-        "Haiku")
-            install_date="$(ls -alctd --full-time /boot | awk '{printf $6 " " $7}')"
-        ;;
+    ls_prog="$(ls --version 2>&1)"
+    case "$ls_prog" in
+        *"BusyBox"*) install_date="$(ls -dalcte "$install_file" | awk '{printf $10 " " $7 " " $8 " " $9}')" ;;
+        *"GNU coreutils"*) install_date="$(ls -dalct --full-time "$install_file" | awk '{printf $6 " " $7}')" ;;
+        *) install_date="$(ls -alctT "$install_file" | awk '{printf $9 " " $6 " "$7 " " $8}')" ;;
     esac
 
     install_date="${install_date//-/ }"