Remove py-mercurial, going with mercurial package instead

share/spack/qa/check_dependencies

@@ -31,7 +31,7 @@ for dep in "$@"; do
                 spack_package=git
                 ;;
             hg)
-                spack_package=py-mercurial
+                spack_package=mercurial
                 pip_package=mercurial
                 ;;
             svn)

var/spack/repos/builtin/packages/py-mercurial/package.py

-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-from spack import *
-
-
-class PyMercurial(Package):
-    """Mercurial is a free, distributed source control management tool.
-    It efficiently handles projects of any size and offers an easy and
-    intuitive interface."""
-
-    homepage = "https://www.mercurial-scm.org/"
-    url = "https://pypi.python.org/packages/source/m/mercurial/mercurial-3.9.tar.gz"
-
-    version('3.9', 'e2b355da744e94747daae3a5339d28a0',
-            url="https://pypi.python.org/packages/22/73/e8ef24d3cb13e4fa2695417e13fd22effa1c8e28465eea91a9f84aa922cd/mercurial-3.9.tar.gz")
-
-    extends('python')
-
-    depends_on('py-setuptools', type='build')
-
-    def install(self, spec, prefix):
-        setup_py('install', '--prefix={0}'.format(prefix))