new package: aria2 (#12318)

* new package: aria2

* tidy up

var/spack/repos/builtin/packages/aria2/package.py

@@ -0,0 +1,23 @@
+# Copyright 2013-2019 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 Aria2(AutotoolsPackage):
+    """An ultra fast download utility"""
+
+    homepage = "https://aria2.github.io"
+    url      = "https://github.com/aria2/aria2/releases/download/release-1.34.0/aria2-1.34.0.tar.gz"
+
+    version('1.34.0', sha256='ec4866985760b506aa36dc9021dbdc69551c1a647823cae328c30a4f3affaa6c')
+
+    depends_on('libxml2')
+    depends_on('libssh2')
+    depends_on('libgcrypt')
+    depends_on('zlib')
+    depends_on('cares')
+    depends_on('sqlite')