arch-nspawn: unset empty $set_arch - this allows to skip running setarch

1 files changed, 1 insertions, 0 deletions

diff --git a/arch-nspawn.in b/arch-nspawn.in
index a32f82d..455b52e 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -129,6 +129,7 @@ eval "$(grep -a '^CARCH=' "$working_dir/etc/makepkg.conf")"
 
 if [[ -f "@pkgdatadir@/setarch-aliases.d/${CARCH}" ]]; then
 	read -r set_arch < "@pkgdatadir@/setarch-aliases.d/${CARCH}"
+	[ -z "${set_arch}" ] && unset set_arch
 else
 	set_arch="${CARCH}"
 fi