#!/bin/bash

# Copyright 2018 The containerd Authors.
#
# 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 -o errexit
set -o nounset
set -o pipefail

source $(dirname "${BASH_SOURCE[0]}")/utils.sh
CONTAINERD_DIR=${DESTDIR}/usr/local
CONTAINERD_PKG=github.com/containerd/containerd

# CHECKOUT_CONTAINERD indicates whether to checkout containerd repo.
# This is useful for build containerd from existing repo, currently
# used by containerd CI test.
CHECKOUT_CONTAINERD=${CHECKOUT_CONTAINERD:-true}

if ${CHECKOUT_CONTAINERD}; then
  # Create a temporary GOPATH for containerd installation.
  TMPGOPATH=$(mktemp -d /tmp/cri-install-containerd.XXXX)
  GOPATH=${TMPGOPATH}
  from-vendor CONTAINERD github.com/containerd/containerd
  checkout_repo ${CONTAINERD_PKG} ${CONTAINERD_VERSION} ${CONTAINERD_REPO}
fi

# Install containerd
cd ${GOPATH}/src/${CONTAINERD_PKG}
make BUILDTAGS="${BUILDTAGS}"
# containerd make install requires `go` to work. Explicitly
# set PATH to make sure it can find `go` even with `sudo`.
${SUDO} sh -c "PATH=${PATH} make install -e DESTDIR=${CONTAINERD_DIR}"

# Clean the tmp GOPATH dir.
if ${CHECKOUT_CONTAINERD}; then
  rm -rf ${TMPGOPATH}
fi