fix(wayland): [Workaround] disable WebGTK legacy rendering tech

desktop/tauri/src-tauri/tauri.conf.json5

@@ -65,7 +65,6 @@
           "/usr/lib/portmaster/portmaster-core": "binary/portmaster-core",
           "/usr/lib/portmaster/portmaster.zip": "binary/portmaster.zip",
           "/usr/lib/portmaster/assets.zip": "binary/assets.zip",
-
           // Intel files
           "/var/lib/portmaster/intel/index.json": "intel/index.json",
           "/var/lib/portmaster/intel/base.dsdl": "intel/base.dsdl",
@@ -79,6 +78,9 @@
           "/var/lib/portmaster/intel/notifications.yaml": "intel/notifications.yaml",
           "/var/lib/portmaster/intel/news.yaml"         : "intel/news.yaml",
 
+          // Scripts
+          "/usr/lib/portmaster/ui-wrapper": "../../../packaging/linux/ui-wrapper",
+
           // Shortcut
           "/etc/xdg/autostart/portmaster.desktop": "../../../packaging/linux/portmaster-autostart.desktop"
         },
@@ -113,6 +115,9 @@
           "/var/lib/portmaster/intel/notifications.yaml": "intel/notifications.yaml",
           "/var/lib/portmaster/intel/news.yaml"         : "intel/news.yaml",
 
+          // Scripts
+          "/usr/lib/portmaster/ui-wrapper": "../../../packaging/linux/ui-wrapper",
+
           // Shortcut
           "/etc/xdg/autostart/portmaster.desktop": "../../../packaging/linux/portmaster-autostart.desktop"
         },

packaging/linux/postinst

@@ -63,8 +63,15 @@ if command -V semanage >/dev/null 2>&1; then
 fi
 
 echo "[ ] Initializing binary files"
-mv /usr/bin/portmaster /usr/lib/portmaster/portmaster
-ln -s /usr/lib/portmaster/portmaster /usr/bin/portmaster 
+# Upon initial install, /usr/bin/portmaster gets foisted from archive unpacking.
+# Upon reconfiguration or reinstall, this state is undefined.
+if ! test -L "/usr/bin/portmaster" || ! test -e "/usr/bin/portmaster"; then
+	# When /usr/bin/portmaster is not the ui-wrapper, the state must be either
+	# a reinstall or upgrade and not reconfigure.
+	mv /usr/bin/portmaster /usr/lib/portmaster/portmaster-ui;
+fi;
+chmod +x /usr/lib/portmaster/ui-wrapper;
+ln -srf /usr/lib/portmaster/ui-wrapper /usr/bin/portmaster;
 
 chmod +x /usr/lib/portmaster/portmaster-core
 

packaging/linux/ui-wrapper

@@ -0,0 +1,22 @@
+#!/bin/sh -e
+
+# NOTE: This is a workaround for a WebkitGTK issue detailed in:
+#   -> https://github.com/flusterIO/fluster/issues/11
+if command -v "loginctl" >/dev/null 2>&1; then
+	case "$(loginctl -P Type show-session auto)" in
+		("x11")
+			exec /usr/lib/portmaster/portmaster-ui "$@"; 
+		;;
+		(*)
+			WEBKIT_DISABLE_DMABUF_RENDERER=1 \
+			WEBKIT_DISABLE_COMPOSITING_MODE=1 \
+			exec /usr/lib/portmaster/portmaster-ui "$@";
+		;;
+	esac;
+else
+	# Assume worst case scenario for compatibility with Wayland in
+	# distributions that choose to avoid Systemd.
+	WEBKIT_DISABLE_DMABUF_RENDERER=1 \
+	WEBKIT_DISABLE_COMPOSITING_MODE=1 \
+	exec /usr/lib/portmaster/portmaster-ui "$@";
+fi;