parse_options: allocate a new array when concatenating

diff --git a/contrib/rerere-train.sh b/contrib/rerere-train.sh
index 36b6feebe00060e4d522c506f12d2848673dbee6..52ad9e41fb7aba37abf71dad2bf5a0015b01dca7 100755 (executable)
--- a/contrib/rerere-train.sh
+++ b/contrib/rerere-train.sh
@@ -7,7 +7,7 @@ USAGE="$me rev-list-args"
 
 SUBDIRECTORY_OK=Yes
 OPTIONS_SPEC=
-. $(git --exec-path)/git-sh-setup
+. "$(git --exec-path)/git-sh-setup"
 require_work_tree
 cd_to_toplevel