bash script to install nvidia driver on debian

bash/nvidia-debian.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+debian_sources="/etc/apt/sources.list.d/debian.sources"
+sources_list="/etc/apt/sources.list"
+
+add_components() {
+    local file="$1"
+    if grep -q "contrib" "$file" && grep -q "non-free" "$file" && grep -q "non-free-firmware" "$file"; then
+        echo ""
+    else
+       sed -i 's/main/main contrib non-free non-free-firmware/' "$file"
+    fi
+}
+
+if [ -f "$debian_sources" ]; then
+    sudo cp /etc/apt/sources.list.d/debian.sources debian.sources.bak
+    add_components "$debian_sources"
+elif [ -f "$sources_list" ]; then
+    sudo cp /etc/apt/sources.list sources.list.bak
+    add_components "$sources_list"
+else
+    echo ""
+fi
+
+sudo apt update
+sudo apt install -y nvidia-driver firmware-misc-nonfree