From 22eb06e46953f2585ae0a62e60c1ce259fa51f8b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Franti=C5=A1ek=20Dvo=C5=99=C3=A1k?= <valtri@civ.zcu.cz>
Date: Wed, 3 Feb 2016 22:00:35 +0100
Subject: [PATCH] Handle failures properly.

---
 docker.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docker.sh b/docker.sh
index 0755de6..fdbe05c 100755
--- a/docker.sh
+++ b/docker.sh
@@ -88,9 +88,12 @@ if [ -n "${FETCH_SSH_KEYS}" ]; then
     for j in '' '.pub'; do
       for i in rsa dsa ecdsa; do
         (umask 0177; rsh -5 -f -u -x -p 5665 kdccesnet.ics.muni.cz /usr/local/bin/rsh.getsshhostkey ${FACTER_fqdn} ssh_host_${i}_key${j} > ${config_dir}/ssh/ssh_host_${i}_key${j})
+        if [ ! -s ${config_dir}/ssh/ssh_host_${i}_key${j} ]; then
+          rm ${config_dir}/ssh/ssh_host_${i}_key${j}
+        fi
       done
     done
-    chmod 0644 ${config_dir}/ssh/*.pub
+    chmod 0644 ${config_dir}/ssh/ssh_host_*.pub 2>&1 || :
   fi
 fi
 if [ -f "${config_dir}/../.k5login" ]; then
-- 
1.8.2.3