pacman -S arch-install-scripts

mkdir test
cd test
su pacstrap -i -c . base
cd ..
mkdir files

systemd-nspawn \
-bD $PWD/test -M "c1" \
--volatile=no \
--bind=/dev/shm \
--bind=/dev/fuse \
--bind=/dev/snd \
--bind=/dev/dri \
--bind=/dev/input \
--bind-ro=/run/user/1000/wayland-0 \
--bind-ro=/run/user/1000/wayland-0.lock \
--bind=/run/user/1000/ \
--capability=CAP_SYS_ADMIN \
--bind=$PWD/files:/files \
--property="DeviceAllow=/dev/tty1 rwm" \
--property="DeviceAllow=/dev/dri rwm" \
--property="DeviceAllow=/dev/shm rwm" \
--property="DeviceAllow=/dev/fuse rwm" \
--property="DeviceAllow=/dev/input rwm" \
--property="DeviceAllow=/dev/dri/renderD128 rwm" \
--property="DeviceAllow=char-input rwm" \
--property="DeviceAllow=char-alsa rwm" \
--property="DeviceAllow=char-drm rwm"
 


in a separate tab 
su
machinectl shell c1

useradd test
mkdir /home/test
chown -R test /home/test
passwd test

pacman -Sy


#copy custom mesa, qt5-base, qt5-wayland, glmark2 .xz packages to the files directory in the container directory

#install custom mesa
pacman -U /files/mesa*

#install custom qt5-base
pacman -U /files/qt5-base*

#install custom qt5-wayland
pacman -U /files/qt5-base*

#install custom glmark2
pacman -U /files/glmark2*

#install weston
pacman -Sdd weston pixman libxkbcommon xkeyboard-config libva cairo pango libwebp libxrender fribidi libthai


login in the first tab as test

run weston from user terminal from the first logged in tab

#from host copy compiled cube and calendar
QT_QPA_PLATFORM=wayland /files/cube/cube -> doesn't work
QT_QPA_PLATFORM=wayland /files/calendar/calendar -> works

glmark2-es2-way -> works