ch: enable nullglob to prevent errors if no chroots exist

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 2 insertions, 0 deletions

diff --git a/ch b/ch
index 04bb6d5..5334b43 100755
--- a/ch
+++ b/ch
@@ -18,6 +18,8 @@
 # functions for building chroots
 CHROOTS="/mnt/chroots/arch"
 
+shopt -s nullglob
+
 __genchroot() {
 	sudo btrfs subvolume snapshot "$chrootdir/root" "$copydir"
 }