#!/bin/bash
set -e
set -o pipefail

_here=$(dirname $(realpath $0))
apt_sync="${_here}/apt-sync.py"
function join_by { local IFS="$1"; shift; echo "$*"; }

UPSTREAM=${TUNASYNC_UPSTREAM_URL:-"https://deb.freexian.com/extended-lts"}
BASE_PATH="${TUNASYNC_WORKING_DIR}"
export REPO_SIZE_FILE=/tmp/reposize.$RANDOM

# see https://www.freexian.com/lts/extended/ for possible values
    codenames=(jessie                 stretch                buster)
   components=(main,contrib,non-free  main,contrib,non-free  main,contrib,non-free)
architectures=(i386,amd64,armhf,armel i386,amd64,armhf       i386,amd64,arm64,armhf)

"$apt_sync" --delete "${UPSTREAM}" "$(join_by , "${codenames[@]}")" "$(join_by : "${components[@]}")" "$(join_by : "${architectures[@]}")" "$BASE_PATH"

"${_here}/helpers/size-sum.sh" $REPO_SIZE_FILE --rm


# =================== old script using debmirror ===================
# requires: debmirror
# function join { local IFS=","; echo "$*"; }

# # standard tunasync env
# BASE_PATH="${TUNASYNC_WORKING_DIR}"
# APT_URL=${TUNASYNC_UPSTREAM_URL:-"https://deb.freexian.com/extended-lts"}

# # parse APT_URL to different parts
# proto="$(printf "$APT_URL" | grep :// | sed -e's,^\(.*://\).*,\1,g')"
# url="$(printf ${APT_URL/$proto/})"
# host="$(printf $url | cut -d/ -f1)"
# path="/$(printf $url | grep / | cut -d/ -f2-)"

# # override by env if needed
# APT_HOST=${DEBMIRROR_HOST:-$host}
# APT_PROTO=${DEBMIRROR_PROTO:-$proto}
# APT_PATH=${DEBMIRROR_PATH:-$path}
# APT_KEYRING_FILE=${DEBMIRROR_APT_KEYRING:-"https://deb.freexian.com/extended-lts/archive-key.gpg"}

# # leave all possible values here
# # debmirror will only download the intersection of provided options and the repo provides
# ARCHES=(amd64 i386 armhf armel arm64)
# DIST=(jessie stretch)

# # download keyring
# keyring_file="/tmp/freexian.$RANDOM.kbx"
# wget "$APT_KEYRING_FILE" -O "$keyring_file"

# debmirror -a $(join "${ARCHES[@]}") -d $(join "${DIST[@]}") -h "$APT_HOST" -r "$APT_PATH" --method ${APT_PROTO} -v --keyring "$keyring_file" --diff mirror --rsync-extra none --i18n --getcontents "${BASE_PATH}"