diff --git a/sh/gpg.sh b/sh/gpg.sh
index e1bf31c..9f3ac0c 100644
--- a/sh/gpg.sh
+++ b/sh/gpg.sh
@@ -15,7 +15,9 @@ rwx_gpg_agent_update() {
 		/bye
 }
 
+# TODO interactive tag
 rwx_gpg_ssh_auth_sock() {
+	# TODO use function
 	local user_id
 	user_id=$(id --user)
 	if [ "${user_id}" -ne 0 ]; then
@@ -26,4 +28,5 @@ rwx_gpg_ssh_auth_sock() {
 	fi
 }
 
+# FIXME only for interactive shell
 rwx_gpg_ssh_auth_sock