reflist=$(get_remote_refs_for_fetch "$@")
 if test "$tags"
 then
-       taglist=`IFS='  ' &&
+       taglist=$(IFS=' ' &&
                  echo "$ls_remote_result" |
                  git show-ref --exclude-existing=refs/tags/ |
                  while read sha1 name
                  do
                        echo ".${name}:${name}"
-                 done` || exit
+                 done) || exit
        if test "$#" -gt 1
        then
                # remote URL plus explicit refspecs; we need to merge them.