From eebad7cd9b2e1fbac9699d1ce4532977cc16d622 Mon Sep 17 00:00:00 2001
From: Luiz Gonzaga dos Santos Filho <lfilho@gmail.com>
Date: Tue, 6 Jun 2017 17:00:06 +0200
Subject: [PATCH] [Install] Prevent empty SHELL failing installation

When running yadr via docker, $SHELL starts out empty/null, so that was
triggering a fatal method not found error during installation.
---
 Rakefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Rakefile b/Rakefile
index 3c1d29d0..a5b2586f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -274,7 +274,7 @@ def install_prezto
   run %{ mkdir -p $HOME/.zsh.after }
   run %{ mkdir -p $HOME/.zsh.prompts }
 
-  if ENV["SHELL"].include? 'zsh' then
+  if "#{ENV['SHELL']}".include? 'zsh' then
     puts "Zsh is already configured as your shell of choice. Restart your session to load the new settings"
   else
     puts "Setting zsh as your default shell"