fix bash spacing
MODIFY
repo2docker/buildpacks/nix/nix-shell-wrapper
repo2docker/buildpacks/nix/nix-shell-wrapper
@@ -9,7 +9,7 @@ _term() {
trap _term SIGTERM
# find binder sub-directory (if present)
-for dir in "./binder" "./.binder"; do
+for dir in "./.binder" "./binder"; do
if [ -e $dir ]; then
binder_dir=$dir
fi

fix bash spacing