From de2ea71432806facea20aef635d68fc4dd7f3017 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
Date: Fri, 30 Sep 2016 09:44:37 +0200
Subject: [PATCH] make sure submodule is initialized

---
 Makefile | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index bcae4d2..2b74d16 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ DEB=${PACKAGE}_${VER}-${DEBREL}_${ARCH}.deb
 all: ${DEB}
 	echo ${DEB}
 
-deb ${DEB}: ${SRCDIR}
+deb ${DEB}: submodule
 	rm -rf ${SRCDIR}.tmp
 	cp -rpa ${SRCDIR} ${SRCDIR}.tmp
 	cd ${SRCDIR}.tmp; patch -p1 < ../patches/update_changelog.patch
@@ -22,9 +22,14 @@ deb ${DEB}: ${SRCDIR}
 	lintian ${DEB}
 	echo ${DEB}
 
+# make sure submodule was initialized
+.PHONY: submodule
+submodule:
+	test -f "${SRCDIR}/debian/changelog" || git submodule update --init
+
+# upgrade to current master
 .PHONY: download
-download ${SRCDIR}:
-	git submodule update --init
+download ${SRCDIR}: submodule
 	cd ${SRCDIR}; git fetch
 	cd ${SRCDIR}; git merge --ff-only master
 
-- 
2.39.2