Merge pull request #517 from rockerbacon/steamdeck-cabextract-dependency

Enforce Flatpak Protontricks on the Steam Deck

README.md

@@ -22,6 +22,8 @@ The following requirements should be available out-of-the-box in most systems:
 
 All requirements should be readily available in your distribution's package manager.
 
+**Steam Deck users**: Protontricks must be installed through the Discover app.
+
 #### Installation steps
 
 1. Install the game you want to play on Steam;

step/check_dependencies.sh

@@ -40,5 +40,14 @@ if [ ! -f "$redirector/main.exe" ]; then
 	exit 1
 fi
 
+os_id=$("$utils/get_os_id.sh")
+
+if [ "$os_id" == "steamos" ] && [ "$using_flatpak_protontricks" == "0" ]; then
+	log_error "Using non-flatpak Protontricks on SteamOS"
+	"$dialog" errorbox \
+		"Only Flatpak releases of Protontricks are supported on SteamOS.\nPlease install Protontricks through the Discover app and try again."
+	exit 1
+fi
+
 log_info "all dependencies met"
 

utils/get_os_id.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+function get_from_os_release() {
+	if [ ! -f /etc/os-release ]; then
+		return 1
+	fi
+
+	os_id=$(bash -c 'source /etc/os-release; echo $ID')
+	status=$?
+
+	if [ "$status" != "0" ] || [ -z "$os_id" ]; then
+		return 1
+	fi
+
+	echo $os_id
+}
+
+get_from_os_release || echo "unknown"
+