build: switch to vanilla copy to avoid "origin/" woes

build/common.sh

@@ -205,7 +205,8 @@ setup_copy()
 	echo ">>> Setting up ${2} copy in ${1}"
 
 	# in case we want to clobber HEAD
-	git clone ${2} ${1}${2}
+	mkdir -p $(dirname ${1}${2})
+	cp -r ${2} ${1}${2}
 }
 
 setup_chroot()

build/core.sh

@@ -45,7 +45,7 @@ extract_packages ${STAGEDIR}
 
 for CORE_TAG in ${CORE_TAGS}; do
 	if [ -n "${*}" ]; then
-		git_update ${STAGEDIR}${COREDIR} ${CORE_TAG}
+		git_checkout ${STAGEDIR}${COREDIR} ${CORE_TAG}
 	fi
 	CORE_NAME=$(make -C ${STAGEDIR}${COREDIR} name)
 	CORE_DEPS=$(make -C ${STAGEDIR}${COREDIR} depends)