getgpu: Made the function more reliable and added support for nvidia-smi (untested)

fetch

@@ -660,10 +660,47 @@ getcpu () {
 
 getgpu () {
    case "$os" in
-       "Linux")
-            gpu=$(lspci | grep "VGA" | grep -o '\[.*\]')
-            gpu=${gpu//[}
-            gpu=${gpu//]}
+       "Linux" | "OpenBSD")
+            if type -p nvidia-smi >/dev/null 2>&1; then
+                gpu="$(nvidia-smi | awk -F':' '/Product Name/ {printf $2}')"
+            else
+                gpu="$(lspci | grep "VGA")"
+                gpu=${gpu/* VGA compatible controller: }
+                gpu=${gpu/(rev*)}
+
+                shopt -s nocasematch
+                case "$gpu" in
+                    intel*)
+                        gpu=${gpu/'Intel Corporation' }
+                        gpu=${gpu/'Haswell-'??? }
+
+                        brand="Intel"
+                    ;;
+
+                    advanced*)
+                        gpu=${gpu/'Advanced Micro Devices, Inc.' }
+                        gpu=${gpu/'[AMD/ATI]' }
+                        gpu=${gpu/'Tahiti PRO'}
+                        gpu=${gpu/'Mars'}
+                        gpu=${gpu/' ['}
+                        gpu=${gpu/']'}
+
+                        brand="AMD"
+                    ;;
+
+                    nvidia*)
+                        gpu=${gpu/'NVIDIA Corporation' }
+                        gpu=${gpu/'nVidia Corporation' }
+                        gpu=${gpu/G???? }
+                        gpu=${gpu/'['}
+                        gpu=${gpu/']'}
+
+                        brand="Nvidia"
+                    ;;
+                esac
+
+                gpu="$brand $gpu"
+            fi
         ;;
 
         "Mac OS X")