From: Sam <sam.saffron@gmail.com>
Date: Tue, 9 Feb 2016 21:59:39 +0000 (+1100)
Subject: support removal of env from parent
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=ad202124588c508cb4ca93ceb2caf0fe3cf20161;p=discourse_docker.git

support removal of env from parent
---

diff --git a/launcher b/launcher
index 8600848..72ea66c 100755
--- a/launcher
+++ b/launcher
@@ -329,6 +329,8 @@ set_template_info() {
         p e
        end
     end
+    # strip out blank env
+    env.delete_if{|k,v| v && v.empty?}
     puts env.map{|k,v| "-e\n#{k}=#{v}" }.join("\n")
 RUBY