From 92b54483bd27196d7bdda950e19394d295fff2c8 Mon Sep 17 00:00:00 2001
From: fbt <fbt@fleshless.org>
Date: Mon, 22 Jan 2018 20:08:48 +0300
Subject: [PATCH] these should also be readonly

Signed-off-by: fbt <fbt@fleshless.org>
---
 ssm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ssm b/ssm
index 2b6e455..bc06982 100755
--- a/ssm
+++ b/ssm
@@ -3,6 +3,7 @@ shopt -s nullglob
 
 # Utility functions
 is_function() [[ $(type -t $1 2>/dev/null) == 'function' ]]
+readonly -f is_function
 
 var() {
 	declare varname=$1; shift
@@ -97,7 +98,7 @@ var() {
 			;;
 		esac
 	fi
-}
+}; readonly -f var
 
 ## Die. Why not?
 die() {