#!/bin/bash
# Copyright 2018 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.

# Builds and tests a release archive against the example directories.

TMPDIR="$1"

if test "$TMPDIR="; then
  TMPDIR="/tmp"
fi

HOME="$PWD"

function fail() {
  echo "$1"
  cd "$HOME" || exit
  exit 1
}

# find workspace
while [[ ! -f "WORKSPACE" ]]; do
  cd ..
  if test "$PWD" = "/"; then
    fail "No workspace found."
  fi
done

# validate
if test ! -d examples; then
  fail "unable to find example directory: $PWD"
fi

# build release
bazel build //:rules_kotlin_release || fail "release archive failed"

# unpack to for repository overriding
ARCHIVE_DIR="$TMPDIR/rules_kotlin_release"

rm -rf $ARCHIVE_DIR
mkdir $ARCHIVE_DIR

tar -C $ARCHIVE_DIR -xzvf bazel-bin/rules_kotlin_release.tgz

# iterate through the examples and build them
for ex in $(ls -d examples); do
  pushd "$ex" || fail "can't switch to $ex"
  bazel build --override_repository=io_bazel_rules_kotlin=$ARCHIVE_DIR //...:all || fail "$ex failed to build"
  popd || fail "can't return to examples"
done

# clean up
rm -rf $ARCHIVE_DIR

# generate stardoc
bazel build //kotlin:stardoc || fail "docs did not generate"

cp -f bazel-bin/kotlin/kotlin.md docs/ || fail "couldn't copy"

echo "Release artifact is good: bazel-bin/rules_kotlin_release.tgz"