qemu.patch

--- /usr/bin/archbuild	2019-09-22 00:10:53.000000000 +0800
+++ qemu_archbuild	2020-01-20 21:52:05.298993263 +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
@@ -300,6 +305,8 @@
 # Pass all arguments after -- right to makepkg
 makechrootpkg_args+=("${@:$OPTIND}")
 
+. /usr/share/devtools/qemu_archbuild.sh
+
 if ${clean_first} || [[ ! -d "${chroots}/${repo}-${arch}" ]]; then
 	msg "Creating chroot for [%s] (%s)..." "${repo}" "${arch}"
 
@@ -319,6 +326,9 @@
 	mkarchroot \
 		-C "${pacman_config}" \
 		-M "${makepkg_config}" \
+		-f "$qemu_static" \
+		-f '/usr/share/devtools/qemu_mirrorlist' \
+		-c "${pkgcache}/${arch}/" \
 		"${chroots}/${repo}-${arch}/root" \
 		"${base_packages[@]}" || abort
 else
@@ -326,6 +336,9 @@
 	arch-nspawn \
 		-C "${pacman_config}" \
 		-M "${makepkg_config}" \
+		-f "$qemu_static" \
+		-f '/usr/share/devtools/qemu_mirrorlist' \
+		-c "${pkgcache}/${arch}/" \
 		"${chroots}/${repo}-${arch}/root" \
 		pacman -Syuu --noconfirm || abort
 fi
@@ -336,4 +349,4 @@
 fi
 
 msg "Building in chroot for [%s] (%s)..." "${repo}" "${arch}"
-exec makechrootpkg -r "${chroots}/${repo}-${arch}" "${makechrootpkg_args[@]}"
+exec makechrootpkg -r "${chroots}/${repo}-${arch}" -X "${pkgcache}/${arch}/" "${makechrootpkg_args[@]}"