From d8fc0ceb44fbafbbaf4a3691d686e2609d6340fc Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 10 Sep 2020 14:53:21 +0200
Subject: archbuild: allow empty setarch to skip running setarch at all

---
 src/archbuild.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/archbuild.in b/src/archbuild.in
index fcb0dd5..a569393 100644
--- a/src/archbuild.in
+++ b/src/archbuild.in
@@ -23,6 +23,7 @@ else
 fi
 if [[ -f "@pkgdatadir@/setarch-aliases.d/${arch}" ]]; then
 	read -r set_arch < "@pkgdatadir@/setarch-aliases.d/${arch}"
+	[ -z "${set_arch}" ] && unset set_arch
 else
 	set_arch="${arch}"
 fi
@@ -92,7 +93,7 @@ if ${clean_first} || [[ ! -d "${chroots}/${repo}-${arch}" ]]; then
 
 	rm -rf --one-file-system "${chroots}/${repo}-${arch}"
 	(umask 0022; mkdir -p "${chroots}/${repo}-${arch}")
-	setarch "${set_arch}" mkarchroot \
+	${set_arch:+setarch "${set_arch}"} mkarchroot \
 		-C "${pacman_config}" \
 		-M "${makepkg_config}" \
 		${cache_dir} \
-- 
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