Preliminary RPackage class (#2761)

var/spack/repos/builtin/packages/r-git2r/package.py

@@ -25,7 +25,7 @@
 from spack import *
 
 
-class RGit2r(Package):
+class RGit2r(RPackage):
     """Interface to the 'libgit2' library, which is a pure C implementation of
     the 'Git' core methods. Provides access to 'Git' repositories to extract
     data and running some basic 'Git' commands."""
@@ -36,11 +36,5 @@ class RGit2r(Package):
 
     version('0.15.0', '57658b3298f9b9aadc0dd77b4ef6a1e1')
 
-    extends('r')
-
     depends_on('zlib')
     depends_on('openssl')
-
-    def install(self, spec, prefix):
-        R('CMD', 'INSTALL', '--library={0}'.format(self.module.r_lib_dir),
-          self.stage.source_path)