From ed216a84f478d295c17973255a9a7861b40bc203 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vladimir.cunat@nic.cz>
Date: Thu, 31 Oct 2024 10:12:13 +0100
Subject: [PATCH] scripts/Makefile.docker: allow calling from a different
 directory

---
 scripts/Makefile.docker | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/scripts/Makefile.docker b/scripts/Makefile.docker
index f32386e60..71908e058 100644
--- a/scripts/Makefile.docker
+++ b/scripts/Makefile.docker
@@ -12,10 +12,13 @@ RELTAG		= $(shell [ -n "${RELEASE}" ] && echo "-t ${BASETAG}:${RELEASE}" || echo
 BUILDXDETECT	= ${HOME}/.docker/cli-plugins/docker-buildx
 QEMUDETECT	= /proc/sys/fs/binfmt_misc/qemu-m68k
 
+# https://stackoverflow.com/a/324782
+ROOT_DIR:=$(dir $(realpath $(lastword $(MAKEFILE_LIST))))/..
+
 docker-multiarch: qemu buildx docker-multiarch-builder
 	docker login
 	docker buildx build --no-cache --builder docker-multiarch --pull --push \
-	                    --platform ${PLATFORMS} ${RELTAG} ..
+	                    --platform ${PLATFORMS} ${RELTAG} ${ROOT_DIR}
 
 qemu: ${QEMUDETECT}
 ${QEMUDETECT}:
-- 
2.47.2