#!/bin/bash
# Copyright 2017 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -e

SCRIPT_TO_DELETE=""
if [[ "$0" != *"scripts/bootstrap" ]]; then
  SCRIPT_TO_DELETE=$(realpath "$0")
fi

temp_bootstrap_jiri=""

cleanup() {
  if [[ -n "$temp_bootstrap_jiri" ]]; then
    rm -f "$temp_bootstrap_jiri"
  fi
  if [[ -n "$SCRIPT_TO_DELETE" ]]; then
    rm -f "$SCRIPT_TO_DELETE"
  fi
}

trap cleanup EXIT SIGINT SIGTERM

function usage {
  cat <<END
usage: bootstrap

Bootstrap the Platform Source Tree.
END
}

if [[ $# -gt 0 ]]; then
  usage
  exit 1
fi

# The fetched script will
# - create "fuchsia" directory if it does not exist,
# - download "jiri" command to "fuchsia/.jiri_root/bin"
temp_bootstrap_jiri=$(mktemp)

# Download and decode to the temporary file
curl -s "https://fuchsia.googlesource.com/jiri/+/HEAD/scripts/bootstrap_jiri?format=TEXT" | base64 --decode > "$temp_bootstrap_jiri"

# Execute the script from the file
bash "$temp_bootstrap_jiri" fuchsia
cd fuchsia

.jiri_root/bin/jiri import -name=integration flower https://fuchsia.googlesource.com/integration
.jiri_root/bin/jiri update -fetch-packages-timeout=120 -hook-timeout=24

echo "Done creating a Platform Source Tree at \"$(pwd)\"."
echo "Recommended: export PATH=\"$(pwd)/.jiri_root/bin:\$PATH\""