Add new package: hudi (#18041)

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

+# 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 Hudi(Package):
+    """Apache Hudi stands for Hadoop Upserts Deletes and Incrementals.
+    Hudi manages the storage of large analytical datasets on DFS."""
+
+    homepage = "https://hudi.apache.org/"
+    url      = "https://github.com/apache/hudi/archive/release-0.5.3.tar.gz"
+
+    version('0.5.3', sha256='8cbf52007fddd07eebd20c8962cd630b05a8ae4c597523fd63db837a45a0b227')
+
+    depends_on('maven', type='build')
+    depends_on('java@8', type=('build', 'run'))
+
+    def install(self, spec, prefix):
+        mvn = which('mvn')
+        mvn('package', '-DskipTests')
+        install_tree('.', prefix)