support various quoting styles in .env

lib/foreman/engine.rb

@@ -213,9 +213,13 @@ private ######################################################################
   def read_environment(filename)
     return {} unless File.exists?(filename)
 
-        if line =~ /\A([A-Za-z_0-9]+)=(.*)\z/
-          hash[$1] = $2
     File.read(filename).split("\n").inject({}) do |hash, line|
+      if line =~ /\A([A-Za-z_0-9]+)=(.*)\z/
+        key, val = [$1, $2]
+        case val
+          when /\A'(.*)'\z/ then hash[key] = $1
+          when /\A"(.*)"\z/ then hash[key] = $1.gsub(/\\(.)/, '\1')
+          else hash[key] = val
         end
       end
       hash

spec/foreman/engine_spec.rb

@@ -53,14 +53,16 @@ describe "Foreman::Engine", :fakefs do
     before(:each) do
       write_procfile
       stub(Process).fork
+      any_instance_of(Foreman::Engine) do |engine|
+        stub(engine).info
+        stub(engine).spawn_processes
+        stub(engine).watch_for_termination
+      end
     end
 
     it "should read if specified" do
       File.open("/tmp/env", "w") { |f| f.puts("FOO=baz") }
       engine = Foreman::Engine.new("Procfile", :env => "/tmp/env")
-      stub(engine).info
-      mock(engine).spawn_processes
-      mock(engine).watch_for_termination
       engine.environment.should == {"FOO"=>"baz"}
       engine.start
     end
@@ -69,13 +71,21 @@ describe "Foreman::Engine", :fakefs do
       File.open("/tmp/env1", "w") { |f| f.puts("FOO=bar") }
       File.open("/tmp/env2", "w") { |f| f.puts("BAZ=qux") }
       engine = Foreman::Engine.new("Procfile", :env => "/tmp/env1,/tmp/env2")
-      stub(engine).info
-      mock(engine).spawn_processes
-      mock(engine).watch_for_termination
       engine.environment.should == { "FOO"=>"bar", "BAZ"=>"qux" }
       engine.start
     end
 
+    it "should handle quoted values" do
+      File.open("/tmp/env", "w") do |f|
+        f.puts 'FOO=bar'
+        f.puts 'BAZ="qux"'
+        f.puts "FRED='barney'"
+        f.puts 'OTHER="escaped\"quote"'
+      end
+      engine = Foreman::Engine.new("Procfile", :env => "/tmp/env")
+      engine.environment.should == { "FOO" => "bar", "BAZ" => "qux", "FRED" => "barney", "OTHER" => 'escaped"quote' }
+    end
+
     it "should fail if specified and doesnt exist" do
       mock.instance_of(Foreman::Engine).error("No such file: /tmp/env")
       engine = Foreman::Engine.new("Procfile", :env => "/tmp/env")
@@ -84,8 +94,6 @@ describe "Foreman::Engine", :fakefs do
     it "should read .env if none specified" do
       File.open(".env", "w") { |f| f.puts("FOO=qoo") }
       engine = Foreman::Engine.new("Procfile")
-      mock(engine).spawn_processes
-      mock(engine).watch_for_termination
       engine.environment.should == {"FOO"=>"qoo"}
       engine.start
     end