#!/usr/bin/env bash

set -eu

if [ $# -ne 0 ]; then
    echo "no arguments allowed for ${0##*/}, given: $*" >&2
    exit 64
fi

bindir=$( cd "${BASH_SOURCE[0]%/*}" && pwd )
rootdir=$( cd "$bindir"/.. && pwd )

# shellcheck source=_docker.sh
. "$bindir"/_docker.sh
# shellcheck source=_tag.sh
. "$bindir"/_tag.sh

dockerfile=$rootdir/cli/Dockerfile-bin

validate_go_deps_tag "$dockerfile"

(
    "$bindir"/docker-build-go-deps
) >/dev/null

tag=$(head_root_tag)
docker_build cli-bin "$tag" "$dockerfile" --build-arg LINKERD_VERSION="$tag"
IMG=$(docker_repo cli-bin):$tag
ID=$(docker create "$IMG")

# copy the newly built linkerd cli binaries to the local system
for OS in darwin linux windows ; do
    DIR=$rootdir/target/cli/$OS
    mkdir -p "$DIR"

    if docker cp "$ID:/out/linkerd-${OS}" "$DIR/linkerd" ; then
        echo "$DIR/linkerd"
    else
        docker rm "$ID" >/dev/null
        exit 1
    fi
done

docker rm "$ID" >/dev/null