Add installer script

README.md

@@ -11,12 +11,19 @@ It is unlikely that Flathub would accept a proprietary application like the Jage
 You can install it by adding the remote and installing it with the following commands:
 
 ```bash
+flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 flatpak remote-add --user --if-not-exists JagexLauncher https://jagexlauncher.flatpak.mcswain.dev/JagexLauncher.flatpakrepo
 # Required for 32-bit compatibility. Jagex Launcher is 32-bit.
 flatpak install --user flathub org.freedesktop.Platform.Compat.i386/x86_64/23.08
 flatpak install --user JagexLauncher com.jagex.Launcher
 ```
 
+You can also use the install script which manages the remote and installs the Flatpak, including Nvidia drivers if needed:
+
+```bash
+curl -fSsL https://raw.githubusercontent.com/USA-RedDragon/jagex-launcher-flatpak/main/install.sh | bash
+```
+
 ### Nvidia GPU Drivers
 
 If you are using the Nvidia proprietary drivers, you will need to install the drivers.

install.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# renovate: datasource=git-tags depName=https://gitlab.com/freedesktop-sdk/freedesktop-sdk.git
+FREEDESKTOP_SDK_GIT_VERSION=freedesktop-sdk-23.08.6
+FREEDESKTOP_SDK_VERSION=$(echo ${FREEDESKTOP_SDK_GIT_VERSION} | cut -d'-' -f3 | cut -d'.' -f1-2)
+
+HAS_NVIDIA=0
+if [[ -f /proc/driver/nvidia/version ]]; then
+    HAS_NVIDIA=1
+    NVIDIA_VERISON=$(cat /proc/driver/nvidia/version | head -n 1 | awk '{ print $8 }' | sed 's/\./-/g')
+fi
+
+flatpak remote-add --user --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+flatpak remote-add --user --if-not-exists JagexLauncher https://jagexlauncher.flatpak.mcswain.dev/JagexLauncher.flatpakrepo
+
+flatpak install --user -y --noninteractive flathub \
+    org.freedesktop.Platform//${FREEDESKTOP_SDK_VERSION} \
+    org.freedesktop.Platform.Compat.i386/x86_64/${FREEDESKTOP_SDK_VERSION} \
+    org.freedesktop.Platform.GL32.default/x86_64/${FREEDESKTOP_SDK_VERSION}
+
+if [[ ${HAS_NVIDIA} -eq 1 ]]; then
+    flatpak install --user -y --noninteractive flathub \
+        org.freedesktop.Platform.GL.nvidia-${NVIDIA_VERISON}/x86_64 \
+        org.freedesktop.Platform.GL32.nvidia-${NVIDIA_VERISON}/x86_64
+fi
+
+flatpak install --user -y --noninteractive JagexLauncher com.jagex.Launcher