submodule--helper update-clone: allow multiple references

diff --git a/git-submodule.sh b/git-submodule.sh
index c90dc335d145fa0a16efbe41873a525b596b806d..3b412f554b9c87b6f5910338179cf21d7cb4d60c 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -575,7 +575,7 @@ cmd_update()
                ${wt_prefix:+--prefix "$wt_prefix"} \
                ${prefix:+--recursive-prefix "$prefix"} \
                ${update:+--update "$update"} \
-               ${reference:+--reference "$reference"} \
+               ${reference:+"$reference"} \
                ${depth:+--depth "$depth"} \
                ${recommend_shallow:+"$recommend_shallow"} \
                ${jobs:+$jobs} \