Add startplasma-steamos-oneshot

post_upgrade.sh

@@ -87,6 +87,7 @@ chsh -s /usr/bin/fish deck
 install --needed xfce4 network-manager-applet nm-connection-editor xfce4-eyes-plugin xfce4-sensors-plugin thunar-archive-plugin thunar-volman xfce4-screenshooter xfce4-taskmanager gnome-software gvfs mousepad blueman gnome-calculator ffmpegthumbnailer ristretto engrampa
 
 cp -fv xfce4-steamos-oneshot.desktop /usr/share/xsessions/
+cp -fv startplasma-steamos-oneshot /usr/bin/
 cp -fv steamos-session-select /usr/bin/
 cp -fv steam-jupiter /usr/bin/
 

startplasma-steamos-oneshot

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -e
+
+die() { echo >&2 "!! $*"; exit 1; }
+
+/usr/bin/steamos-session-select gamescope --no-restart
+
+# Add back portals removed by gamescope
+systemctl --user set-environment XDG_DESKTOP_PORTAL_DIR=/usr/share/xdg-desktop-portal/portals
+
+# Update environment
+dbus-update-activation-environment --systemd DESKTOP_SESSION `env | grep ^XDG_ | cut -d = -f 1`
+
+exec $@