Some workarounds for NixOS.

archbox.bash

@@ -28,6 +28,7 @@ OPTIONS:
   -e, --enter           Enters chroot enviroment.
   -h, --help            Displays this help message.
   --remount-run         Remount /run in chroot enviroment.
+  --mount-runtime-only  Mount XDG_RUNTIME_DIR to chroot enviroment.
 
 EOF
 }
@@ -69,7 +70,7 @@ case $1 in
         mount -R /tmp $CHROOT/tmp
         mount -R /sys $CHROOT/sys
         mount -R /dev $CHROOT/dev
-        mount -R /run $CHROOT/run
+        [[ $MOUNT_RUN = "yes" ]] && mount -R /run $CHROOT/run
         mount --make-rslave $CHROOT/dev
         mount --make-rslave $CHROOT/sys
         mkdir -p $CHROOT/var/lib/dbus
@@ -79,7 +80,7 @@ case $1 in
         mount -R /boot $CHROOT/boot
 	cp /usr/local/share/archbox/chroot_setup.bash $CHROOT/chroot_setup
 	echo $USER > /tmp/archbox_user
-	chroot $CHROOT /bin/bash -c "/bin/sh /chroot_setup"
+	chroot $CHROOT /bin/bash -c "/chroot_setup"
     ;;
     -e|--enter)
 	storeenv
@@ -89,6 +90,9 @@ case $1 in
     --remount-run)
 	$PRIV /usr/local/share/archbox/bin/remount_run
 	;;
+    --mount-runtime-only)
+	$PRIV /usr/local/share/archbox/bin/remount_run runtimeonly
+	;;
     -h|--help)
         help_text
     ;;

archbox.conf

@@ -2,6 +2,7 @@ USER="lemniskett"
 PRIV="sudo"
 INSTALL_PATH="/var/archlinux"
 CHROOT="$INSTALL_PATH/root.x86_64"
+MOUNT_RUN="yes"
 
 # Put your desired enviroment variable here, for example
 # ENV_VAR="HOME=/var/home/lemniskett"

archboxinit.bash

@@ -11,7 +11,7 @@ case $1 in
 		mount --make-rslave $CHROOT/sys
 		mount -R /dev $CHROOT/dev
 		mount --make-rslave $CHROOT/dev
-		mount -R /run $CHROOT/run
+		[[ $MOUNT_RUN = "yes" ]] && mount -R /run $CHROOT/run
 		mount -R /lib/modules $CHROOT/lib/modules
 		mount -R /boot $CHROOT/boot
 		mount -R /var/lib/dbus $CHROOT/var/lib/dbus
@@ -25,7 +25,7 @@ case $1 in
 		umount -R $CHROOT/tmp
 		umount -R $CHROOT/sys
 		umount -R $CHROOT/dev
-		umount -R $CHROOT/run
+		[[ $MOUNT_RUN = "yes" ]] && umount -R $CHROOT/run
 		umount -R $CHROOT/lib/modules
 		umount -R $CHROOT/boot
 		umount -R $CHROOT/var/lib/dbus

chroot_setup.bash

@@ -9,6 +9,7 @@ msg(){
     echo "$(tput bold)$(tput setaf 2)==> $@ $(tput sgr0)"
 }
 
+PATH=/usr/bin
 msg "Initializing pacman keyrings..."
 pacman-key --init
 pacman-key --populate archlinux

remount_run.bash

@@ -6,9 +6,16 @@ case $1 in
 	killxdg)
 	umount -l $CHROOT/run
 	fuser -km $(cat /tmp/archbox_xdg_runtime_dir)
+	exit $?
+	;;
+	runtimeonly)
+	mkdir -p $CHROOT/$(cat /tmp/archbox_xdg_runtime_dir)
+	mount --rbind $(cat /tmp/archbox_xdg_runtime_dir) $CHROOT/$(cat /tmp/archbox_xdg_runtime_dir)
+	exit $?
 	;;
 	*)
         umount -l $CHROOT/run
 	mount --rbind /run $CHROOT/run
+	exit $?
 	;;
 esac