old_contents: class GtkSharpPackage (Package):
  	def __init__ (self):
  		Package.__init__ (self, 'gtk-sharp', '2-12-branch')
  		self.commit = 'b078aacaf263af84605812d778b62afbdf3e1b59'
  		self.source_dir_name = 'mono-gtk-sharp-%s' % self.commit[:7]
  		self.configure = './bootstrap-2.12 --prefix="%{prefix}"'
  		self.sources = [
  			'http://github.com/mono/gtk-sharp/tarball/%{commit}'
  		]
  
  GtkSharpPackage ()
  
new_contents: class GtkSharpPackage (Package):
  	def __init__ (self):
  		Package.__init__ (self, 'gtk-sharp', '2-12-branch')
  		self.commit = 'acbb04600d2dbdbe889117c07ee660818abd7070'
  		self.source_dir_name = 'mono-gtk-sharp-%s' % self.commit[:7]
  		self.configure = './bootstrap-2.12 --prefix="%{prefix}"'
  		self.sources = [
  			'http://github.com/mono/gtk-sharp/tarball/%{commit}'
  		]
  
  GtkSharpPackage ()
  
subject: Bump the gtk-sharp commit