update_head_ok=
 exec=
 upload_pack=
+keep=--thin
 while case "$#" in 0) break ;; esac
 do
        case "$1" in
     ( : subshell because we muck with IFS
       IFS="    $LF"
       (
-         git-fetch-pack $exec $keep --thin "$remote" $rref || echo failed "$remote"
+         git-fetch-pack $exec $keep "$remote" $rref || echo failed "$remote"
       ) |
       while read sha1 remote_name
       do