mkarchroot: reset trap so it wont be called twice

lib/common.sh

@@ -62,7 +62,7 @@ setup_workdir() {
 }
 
 cleanup() {
-	trap - EXIT INT QUIT TERM
+	trap - EXIT INT QUIT TERM HUP
 
 	[[ -n $WORKDIR ]] && rm -rf "$WORKDIR"
 	[[ $1 ]] && exit $1

mkarchroot.in

@@ -153,6 +153,7 @@ copy_hostconf () {
 }
 
 chroot_umount () {
+	trap - EXIT INT QUIT TERM HUP
 	umount "${working_dir}/proc/sys"
 	umount "${working_dir}/proc"
 	umount "${working_dir}/sys"