#!/bin/sh

# Copyright 2016 The Bazel 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.

set -eu

# Combine src jars to a single archive containing all the source files.

setglobal OUTPUT = ""$(PWD)/$1""
shift

setglobal TMP_DIR = $(TMPDIR:-/tmp)
setglobal PACKAGE_DIR = $[mktemp -d $(TMP_DIR%%/)/bazel.XXXXXXXX]
trap "rm -fr \"$(PACKAGE_DIR)\"" EXIT
setglobal JAVA_SRC_DIR = ""$(PACKAGE_DIR)/derived/src/java""
mkdir -p $(JAVA_SRC_DIR)

for i in [$ifsjoin(Argv)]
{
    setglobal JARFILE = ""$(PWD)/$i""
    shell {cd $(JAVA_SRC_DIR) && jar xf $(JARFILE)}
}

find $(PACKAGE_DIR) -exec touch -t 198001010000.00 '{}' '+'
shell {cd $(PACKAGE_DIR) && find . -type f | sort | zip -qDX@ $(OUTPUT)}