uptime: [haiku] Fix uptime

neofetch

@@ -1213,15 +1213,6 @@ get_kernel() {
 }
 
 get_uptime() {
-    # Since Haiku's uptime cannot be fetched in seconds, a case outside
-    # the usual case is needed.
-    case "$os" in
-        "Haiku")
-            uptime="$(uptime -u)"
-            uptime="${uptime/up }"
-        ;;
-
-        *)
     # Get uptime in seconds.
     case "$os" in
         "Linux" | "Windows" | "MINIX")
@@ -1258,6 +1249,10 @@ get_uptime() {
             h="${h#0}" t="${t#0}"
             seconds="$((d*86400 + h*3600 + ${t%%:*}*60 + ${t#*:}))"
         ;;
+
+        "Haiku")
+            seconds=$(($(system_time) / 1000000))
+        ;;
     esac
 
     days="$((seconds / 60 / 60 / 24)) days"
@@ -1277,8 +1272,6 @@ get_uptime() {
     uptime="${days:+$days, }${hours:+$hours, }${mins}"
     uptime="${uptime%', '}"
     uptime="${uptime:-${seconds} seconds}"
-        ;;
-    esac
 
     # Make the output of uptime smaller.
     case "$uptime_shorthand" in