Replace Foreman::Env with dotenv

lib/foreman/engine.rb

@@ -1,7 +1,7 @@
 require "foreman"
-require "foreman/env"
 require "foreman/process"
 require "foreman/procfile"
+require "dotenv"
 require "tempfile"
 require "timeout"
 require "fileutils"
@@ -172,9 +172,7 @@ class Foreman::Engine
   # @param [String] filename  A .env file to load into the environment
   #
   def load_env(filename)
-    Foreman::Env.new(filename).entries do |name, value|
-      @env[name] = value
-    end
+    @env.update Dotenv::Environment.new(filename)
   end
 
   # Send a signal to all processes started by this +Engine+

lib/foreman/env.rb

@@ -1,29 +0,0 @@
-require "foreman"
-
-class Foreman::Env
-
-  attr_reader :entries
-
-  def initialize(filename)
-    @entries = File.read(filename).gsub("\r\n","\n").split("\n").inject({}) do |ax, line|
-      if line =~ /\A([A-Za-z_0-9]+)=(.*)\z/
-        key = $1
-        case val = $2
-          # Remove single quotes
-          when /\A'(.*)'\z/ then ax[key] = $1
-          # Remove double quotes and unescape string preserving newline characters
-          when /\A"(.*)"\z/ then ax[key] = $1.gsub('\n', "\n").gsub(/\\(.)/, '\1')
-          else ax[key] = val
-        end
-      end
-      ax
-    end
-  end
-
-  def entries
-    @entries.each do |key, value|
-      yield key, value
-    end
-  end
-
-end