feat(ostree-images): import river template files from wayblue

ostree-images/river/files/scripts/setswaynvidiaenvironment.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# Tell build process to exit if there are any errors.
+set -oue pipefail
+
+rm /etc/sway/environment
+
+echo '
+
+# This file is a part of Fedora configuration for Sway and will be sourced
+# from /usr/bin/start-sway script for all users of the system.
+# User-specific variables should be placed in $XDG_CONFIG_HOME/sway/environment
+#
+# vim: set ft=sh:
+
+## Pass extra arguments to the /usr/bin/sway executable
+
+#SWAY_EXTRA_ARGS="$SWAY_EXTRA_ARGS --unsupported-gpu"
+SWAY_EXTRA_ARGS="$SWAY_EXTRA_ARGS --unsupported-gpu -D noscanout"
+#SWAY_EXTRA_ARGS="$SWAY_EXTRA_ARGS --debug"
+
+## Set environment variables
+
+# Useful variables for wlroots:
+# https://gitlab.freedesktop.org/wlroots/wlroots/-/blob/master/docs/env_vars.md
+WLR_NO_HARDWARE_CURSORS=1
+# Setting renderer to Vulkan may fix flickering but needs the following extensions:
+# - VK_EXT_image_drm_format_modifier
+# - VK_EXT_physical_device_drm
+#
+# Source: https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/8e346922508aa3eaccd6e12f2917f6574f349843
+WLR_RENDERER=vulkan
+
+# Java Application compatibility
+# Source: https://github.com/swaywm/wlroots/issues/1464
+_JAVA_AWT_WM_NONREPARENTING=1
+
+' > /etc/sway/environment