mono.rb in rake-funnel-0.21.0

- old
+ new

@@ -4,14 +4,21 @@
       class Mono
         class << self
           def invocation(executable, *args)
             exe_args = ([executable] << args).flatten.compact
 
-            return exe_args if Rake::Win32.windows?
+            return exe_args if Rake::Win32.windows? || wsl?
 
             executable = exe_args.shift
             found = Which.which(executable) || executable
             exe_args.unshift('mono', found)
+          end
+
+          private
+
+          def wsl?
+            File.readable?('/proc/version') && \
+              File.read('/proc/version').include?('Microsoft')
           end
         end
       end
     end
   end