Add new package: timedatex (#18823)

* Add new package: timedatex

* timedatex: fix flake8 error

var/spack/repos/builtin/packages/timedatex/package.py

@@ -0,0 +1,27 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Timedatex(MakefilePackage):
+    """timedatex is a D-Bus service that implements the
+    org.freedesktop.timedate1 interface. It can be used to
+    read and set the system clock, the real-time clock (RTC),
+    the system timezone, get a list of valid timezones, and
+    enable or disable an NTP client installed on the system.
+    It is a replacement for the systemd-timedated service."""
+
+    homepage = "https://github.com/mlichvar/timedatex"
+    url      = "https://github.com/mlichvar/timedatex/archive/v0.6.tar.gz"
+
+    version('0.6', sha256='6e24c015769ee49a92bde3b1f167e25119068a00e377f9e4187a425c262ce964')
+    version('0.5', sha256='bc54960bb9554bb2b34985ba2b8a78480db568c3c6a9d26f2ab34de1bc0aab11')
+    version('0.4', sha256='204285eb03c6cec9ae1c7fdb99e7c996259ec5a918d72bf6bc28564a6f738d4a')
+
+    depends_on('glib')
+
+    def install(self, spec, prefix):
+        make('install', 'prefix={0}'.format(prefix))