From d2ac79afaac3e14c85479498c12eeea97f925b31 Mon Sep 17 00:00:00 2001
From: "jerome@work" <github@jeromedecoster.com>
Date: Tue, 9 Jul 2013 17:40:58 +0200
Subject: [PATCH] n prev fix

---
 bin/n | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bin/n b/bin/n
index c855266..1bb013d 100755
--- a/bin/n
+++ b/bin/n
@@ -255,6 +255,7 @@ activate() {
 activate_previous() {
   test -f $VERSIONS_DIR/.prev || abort "no previous versions activated"
   local prev=$(cat $VERSIONS_DIR/.prev)
+  test -d $VERSIONS_DIR/$prev || abort "previous version $prev not installed"
   activate $prev
   echo
   log activate $prev