Cache GPU output

neofetch

@@ -987,6 +987,10 @@ getcpu_usage() {
 getgpu() {
     case "$os" in
         "Linux")
+            # Use cache if it exists
+            if [ -f "/tmp/neofetch/gpu" ]; then
+                source "/tmp/neofetch/gpu"
+            else
                 gpu="$(PATH="/sbin:$PATH" lspci -mm | awk -F '\\"|\\" \\"' '/3D|VGA/ {print $3 " " $4}')"
 
                 case "$gpu" in
@@ -1010,6 +1014,8 @@ getgpu() {
                         gpu="VirtualBox Graphics Adapter"
                     ;;
                 esac
+                cache "gpu" "$gpu" "/tmp"
+            fi
         ;;
 
         "Mac OS X")