#!/bin/sh

set -eu

umask 022

BASEURL="https://www.cendio.com"
REPODIR="/srv/mirrors/thinlinc"

if [ ! -d "${REPODIR}" ]; then
    echo "ERR: Cannot find repository directory ${REPODIR}" 1>&2
    exit 1
fi

# we only do x86_64
REPODIR="${REPODIR}/x86_64"
if [ ! -d "${REPODIR}" ]; then
    mkdir "${REPODIR}"
fi

LOCATION=$(curl -sf "${BASEURL}/thinlinc/download/" | \
    sed -n 's/^.*<a href="\(.*\.x86_64\.rpm\)".*/\1/p' | head -n 1)
if [ "${LOCATION}" = "" ]; then
    echo "ERR: Failed to determine current thinlinc version" 1>&2
    exit 1
fi
PKGNAME="$(basename "${LOCATION}")"

if [ ! -f "${REPODIR}/${PKGNAME}" ]; then
    VERSION="$(echo "$PKGNAME" | sed -n 's/^thinlinc-client-\([0-9\.]*\)-[0-9]*\.x86_64\.rpm/\1/p')"

    echo "New thinlinc version ${VERSION} found"
    echo ""

    tmpfile="$(mktemp)"
    trap 'rm -f "$tmpfile"' EXIT

    # assume that server version goes in-line with client
    echo "Downloading server package:"
    curl -sfo "$tmpfile" "${BASEURL}/downloads/server/tl-${VERSION}-server.zip"
    echo "Extracting server rpm files:"
    unzip -jfvd "$REPODIR" "$tmpfile" \*.rpm
    echo "Cleaning up..."
    echo ""

    echo "Downloading client rpm package:"
    curl -sfo "${REPODIR}/${PKGNAME}" "${LOCATION}"
    echo ""
    echo "Updating repository metadata:"
    createrepo_c "${REPODIR}"
    echo ""
fi