Preliminary RPackage class (#2761)

var/spack/repos/builtin/packages/r-filehash/package.py

@@ -25,7 +25,7 @@
 from spack import *
 
 
-class RFilehash(Package):
+class RFilehash(RPackage):
     """Implements a simple key-value style database where character string keys
     are associated with data values that are stored on the disk. A simple
     interface is provided for inserting, retrieving, and deleting data from the
@@ -41,9 +41,3 @@ class RFilehash(Package):
     list_url = "https://cran.r-project.org/src/contrib/Archive/filehash"
 
     version('2.3', '01fffafe09b148ccadc9814c103bdc2f')
-
-    extends('r')
-
-    def install(self, spec, prefix):
-        R('CMD', 'INSTALL', '--library={0}'.format(self.module.r_lib_dir),
-          self.stage.source_path)