GPU: Add caching support for all OS

neofetch

@@ -919,12 +919,14 @@ get_cpu_usage() {
 }
 
 get_gpu() {
+    # Use cache if it exists
+    if [[ -f "${cache_dir}/neofetch/gpu" ]]; then
+        source "${cache_dir}/neofetch/gpu"
+        return
+    fi
+
     case "$os" in
         "Linux" | "GNU")
-            # Use cache if it exists
-            if [[ -f "/tmp/neofetch/gpu" ]]; then
-                source "/tmp/neofetch/gpu"
-            else
             gpu="$(PATH="/sbin:$PATH" lspci -mm | awk -F '\\"|\\" \\"' '/Display|3D|VGA/ {print $3 " " $4}')"
 
             case "$gpu" in
@@ -951,21 +953,12 @@ get_gpu() {
 
             [[ "$gpu" =~ "intel" ]] && \
                 gpu="Intel Integrated Graphics"
-
-                cache "gpu" "$gpu"
-            fi
         ;;
 
         "Mac OS X")
-            # Use cache if it exists
-            if [[ -f "${cache_dir}/neofetch/gpu" ]]; then
-                source "${cache_dir}/neofetch/gpu"
-            else
             gpu="$(system_profiler SPDisplaysDataType | awk -F': ' '/^\ *Chipset Model:/ {printf $2 ", "}')"
             gpu="${gpu//'/ $'}"
             gpu="${gpu%,*}"
-                cache "gpu" "$gpu"
-            fi
         ;;
 
         "iPhone OS")
@@ -1030,6 +1023,8 @@ get_gpu() {
         gpu="${gpu/NVIDIA}"
         gpu="${gpu/Intel}"
     fi
+
+    cache "gpu" "$gpu"
 }
 
 get_memory() {