From ab2721bc375bb2a0b06794351529650a23a3b92c Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <josegonzalez@users.noreply.github.com>
Date: Mon, 7 Dec 2015 11:52:14 -0500
Subject: [PATCH] Guard against invalid key file during installation

[ci skip]
---
 debian/postinst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/debian/postinst b/debian/postinst
index 35c3361e3..a02143d49 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -71,7 +71,9 @@ case "$1" in
 
     if [ -z "${DEBCONF_RECONFIGURE}" ]; then
       db_get "dokku/key_file"
-      sshcommand acl-add dokku default < "$RET"
+      if [ -f "$RET" ]; then
+        sshcommand acl-add dokku default < "$RET"
+      fi
     fi
     ;;