Add pkg to activate acer battery health mode

pkgs/acer-battery-health-mode/default.nix

@@ -0,0 +1,28 @@
+{
+  writeShellApplication,
+  insmod,
+}:
+
+writeShellApplication {
+  name = "acer-battery-health-mode";
+
+  runtimeInputs = [ insmod ];
+
+  text = ''
+    #/usr/bin/env sh
+
+    # Using following tool https://github.com/frederik-h/acer-wmi-battery.git
+
+    PROJECT_LOCATION=~/git/acer-wmi-battery
+
+    if [ "$1" == "enable" ]; then
+       sudo insmod "$PROJECT_LOCATION/acer-wmi-battery.ko" enable_health_mode=1
+       echo "Battery health mode enabled"
+    elif [ "$1" == "disable" ]; then
+       sudo insmod "$PROJECT_LOCATION/acer-wmi-battery.ko" enable_health_mode=0
+       echo "Battery health mode disabled"
+    else
+        echo "Please either state 'enable' or 'disable'"
+    fi
+  '';
+}

pkgs/default.nix

@@ -13,4 +13,5 @@
   pulseaudio-popup = pkgs.callPackage ./pulseaudio-popup { };
   sos = pkgs.callPackage ./sos { };
   xwacomcalibrate = pkgs.callPackage ./xwacomcalibrate { };
+  acer-battery-health-mode = pkgs.callPackage ./acer-battery-health-mode { };
 }