#!/bin/bash

version=$1

if [[ -z "$1" ]]; then
    printf "usage: $0 mmversion\n"; exit 2
fi

#tmpdir=$(mktemp -d)
tmpdir=/tmp/
outfile="${tmpdir}/mattermost-${version}.tar.gz"

if [[ ! -f "${outfile}" ]]; then
    curl -Lo "$outfile" "https://releases.mattermost.com/${version}/mattermost-${version}-linux-amd64.tar.gz" || exit 1
fi

outdir="${tmpdir}mattermost-${version}/"

if [[ ! -d "${outdir}" ]]; then
    mkdir "${outdir}"
fi

tar --strip-components 2 -C "${outdir}" -xvf "$outfile" mattermost/client

echo "Wrote to ${outdir}"