# Copyright 2016 The Nomulus Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Build macro for creating App Engine EAR archives for Nomulus."""

load("//java/google/registry/builddefs:defs.bzl", "ZIPPER")

def registry_ear_file(name, out, configs, wars, **kwargs):
  """Creates an EAR archive by combining WAR archives."""
  cmd = [
      "set -e",
      "repo=$$(pwd)",
      "zipper=$$repo/$(location %s)" % ZIPPER,
      "tmp=$$(mktemp -d $${TMPDIR:-/tmp}/registry_ear_file.XXXXXXXXXX)",
      "cd $${tmp}",
  ]
  for target, dest in configs.items():
    cmd += [
        "mkdir -p $${tmp}/$$(dirname %s)" % dest,
        "ln -s $${repo}/$(location %s) $${tmp}/%s" % (target, dest),
    ]
  for target, dest in wars.items():
    cmd += [
        "mkdir " + dest,
        "cd " + dest,
        "$${zipper} x $${repo}/$(location %s)" % target,
        "cd ..",
    ]
  cmd += [
      ("find . | sed 1d | cut -c 3- | LC_ALL=C sort" +
       " | xargs $${zipper} cC $${repo}/$@"),
      "cd $${repo}",
      "rm -rf $${tmp}",
  ]
  native.genrule(
      name = name,
      srcs = configs.keys() + wars.keys(),
      outs = [out],
      cmd = "\n".join(cmd),
      tools = [ZIPPER],
      message = "Generating EAR archive",
      **kwargs
  )