Change to use mktemp

b9/lib/package_storage_docker.sh

@@ -8,7 +8,7 @@ _b9_dockerize_update_base() {
     local VERSION
     
     # build package
-    local TMPFILE=$(tempfile)
+    local TMPFILE=$(mktemp)
     b9_package $TREEISH --type=newclient | tee $TMPFILE
     VERSION=$(cat $TMPFILE | tail -n1)
     rm $TMPFILE
@@ -71,4 +71,4 @@ _b9_dockerize_has_tag() {
     local TAG=$2
     
     gsutil ls $B9_DOCKER_BUCKET/containers/repositories/library/${REPO}/tag_${TAG}
-}
+}