install-etcd.sh

#!/usr/bin/env bash
source "$(dirname "${BASH_SOURCE}")/lib/init.sh"

etcd_version=$(grep 'go.etcd.io/etcd' go.mod | grep -v '=>' | awk '{print $2}' | sed s/+incompatible// || true)
if [[ -z "${etcd_version}" ]]; then
  >&2 echo "ERROR: Unable to detect etcd version"
  exit 1
fi

mkdir -p "${OS_ROOT}/_output/tools"
cd "${OS_ROOT}/_output/tools"

if [ ! -d etcd ]; then
  mkdir -p etcd
  pushd etcd >/dev/null

  curl -s -L https://github.com/coreos/etcd/tarball/${etcd_version} | \
    tar xz --strip-components 1 --no-same-owner 2>/dev/null

  if [ "$?" != "0" ]; then
    echo "Failed to download coreos/etcd."
    exit 1
  fi
else
  pushd etcd >/dev/null
fi

# setup a private GOPATH so the build can succeed
export GOPATH="${PWD}/gopath"
./build

if [[ -n ${1:-} && "${1}" == "--export-path" ]]
then
    echo "${PWD}/bin"
else
    echo
    echo Installed coreos/etcd ${etcd_version} into:
    echo export PATH=${PWD}/bin:\$PATH
fi

popd >/dev/null
exit 0