From 6938eaca3a59a46b13888943bdd9a088d6ccbc9d Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Thu, 14 Apr 2016 16:19:23 +1000
Subject: [PATCH] docker amended hostname rules, comply...

---
 launcher | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/launcher b/launcher
index 91aa412..1852382 100755
--- a/launcher
+++ b/launcher
@@ -515,6 +515,10 @@ run_start(){
 
    (
      hostname=`hostname -s`
+     # we got to normalize so we only have allowed strings, this is more comprehensive but lets see how bash does first
+     # hostname=`$docker_path run $user_args --rm $image ruby -e 'print ARGV[0].gsub(/[^a-zA-Z-]/, "-")' $hostname`
+     # docker added more hostname rules
+     hostname=${hostname/_/-}
      # overwrite hostname
      if [ "$DOCKER_USE_HOSTNAME" = "true" ]
      then
-- 
2.25.1