added patch from Cassie Schmitz for file checkout

schacon · schacon · commit 10b880b41887 · 2008-03-13T13:33:49.000-07:00
diff --git a/lib/git/base.rb b/lib/git/base.rb
@@ -277,6 +277,11 @@ def checkout(branch = 'master', opts = {})
       self.lib.checkout(branch, opts)
     end
     
+    # checks out an old version of a file
+    def checkout_file(version, file)
+      self.lib.checkout_file(version,file)
+    end
+
     # fetches changes from a remote branch - this does not modify the working directory,
     # it just gets the changes from the remote if there are any
     def fetch(remote = 'origin')
diff --git a/lib/git/lib.rb b/lib/git/lib.rb
@@ -434,6 +434,13 @@ def checkout(branch, opts = {})
       
       command('checkout', arr_opts)
     end
+
+    def checkout_file(version, file)
+      arr_opts = []
+      arr_opts << version.to_s
+      arr_opts << file.to_s
+      command('checkout', arr_opts)
+    end
     
     def merge(branch, message = nil)      
       arr_opts = []
