lib/buildmaster/cotta/in_memory_system.rb in BuildMaster-1.1.9 vs lib/buildmaster/cotta/in_memory_system.rb in BuildMaster-1.1.12

@@ -1,14 +1,11 @@
-$:.unshift File.dirname(__FILE__)
-
 require 'stringio'
-require 'file_not_found_error'
 
 module BuildMaster
 class InMemorySystem
   
-  attr_reader :executed_commands
+  attr_reader :executed_commands, :pwd
 
   def initialize
     @executed_commands = []
     @content = ""
     @file_system = Hash.new
@@ -117,9 +114,23 @@
     delete_entry(pathname)
   end
   
   def to_s
     return 'InMemorySystem'
+  end
+  
+  def chdir(path)
+    last_pwd = @pwd
+    @pwd = path.to_s
+    result = 0
+    if (block_given?)
+      begin
+        result = yield
+      ensure
+        @pwd = last_pwd
+      end
+    end
+    result
   end
   
   private
   def gather_paths_to_create(pathname)
     paths = Array.new
\ No newline at end of file