From 658e1d206a4bf777994742cfb2260b3917340135 Mon Sep 17 00:00:00 2001
From: Ville Rantanen <ville.rantanen@helsinki.fi>
Date: Thu, 20 Aug 2015 14:10:16 +0300
Subject: [PATCH] stop if not writable

---
 rc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rc b/rc
index dfd4b2e..797a4b2 100755
--- a/rc
+++ b/rc
@@ -24,7 +24,7 @@ function _self_update() {
 [[ -t 1 ]] || return
 [[ -t 2 ]] || return
 [[ -f "$TOOLSPATH"/.lastupdate ]] || touch -t 0101010101 "$TOOLSPATH"/.lastupdate 2> /dev/null
-[[ -f "$TOOLSPATH"/.lastupdate ]] || return
+[[ -w "$TOOLSPATH"/.lastupdate ]] || return
 
 TOOLS_LASTUPDATE=$(( $( date +%s ) - $( stat -c %Y "$TOOLSPATH"/.lastupdate ) ))
 [[ "$TOOLS_LASTUPDATE" -gt 604800 ]] && _self_update