--- /usr/bin/archbuild	2020-06-24 22:55:10.000000000 +0800
+++ archbuild-qemu	2020-06-25 14:56:17.318483978 +0800
@@ -263,6 +263,11 @@
 	tag="${cmd%-build}"
 	repo=${tag%-*}
 	arch=${tag##*-}
+	if [[ "x${arch}" = "xaarch64" ]]; then
+		qemu_static='/usr/bin/qemu-aarch64-static'
+	else
+		qemu_static='/usr/bin/qemu-arm-static'
+	fi
 fi
 chroots='/var/lib/archbuild'
 clean_first=false
@@ -321,6 +326,8 @@
 		-C "${pacman_config}" \
 		-M "${makepkg_config}" \
 		-c "${cachedir}" \
+		-f "$qemu_static" \
+		-f '/etc/pacman.d/mirrorlist.alarm' \
 		"${chroots}/${repo}-${arch}/root" \
 		"${base_packages[@]}" || abort
 else
@@ -328,6 +335,8 @@
 	arch-nspawn \
 		-C "${pacman_config}" \
 		-M "${makepkg_config}" \
+		-f "$qemu_static" \
+		-f '/etc/pacman.d/mirrorlist.alarm' \
 		"${chroots}/${repo}-${arch}/root" \
 		pacman -Syuu --noconfirm || abort
 fi