#!/bin/bash
# -*- coding: utf-8; mode: sh; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=sh:et:sw=4:ts=4:sts=4

# Note:
# This script is sourced by the mpbb wrapper script.
# Do not execute this directly!

list-subports-usage() {
    # "prog" is defined in mpbb-help.
    # shellcheck disable=SC2154
    cat <<EOF
usage: $prog [<global opts>] list-subports [<opts>] <port> [<port2> [...]]

Print the name and subports of each given port to standard output.

Options:

  --archive-site=<URL>
    URL to check for preexisting public archives. Defaults to
    \`https://packages.macports.org'.

  --archive-site-private=<URL>
    URL to check for preexisting private archives. Defaults to
    \`https://packages-private.macports.org'.

Run \`$prog help' for global options and a list of other subcommands.
EOF
}

print-subports() {
    local archive_site_public=$1
    local archive_site_private=$2
    local include_deps=$3
    local portnames=$4

    # $option_prefix is set in mpbb
    # shellcheck disable=SC2154
    tclsh="${option_prefix}/bin/port-tclsh"
    # $option_prefix is set in mpbb
    # shellcheck disable=SC2154
    if [ "${include_deps}" = "yes" ]; then
        include_deps=--include_deps
    else
        include_deps=
    fi
    "${tclsh}" "${thisdir}/tools/sort-with-subports.tcl" --jobs_dir "${option_jobs_dir}" \
        --license_db_dir "${option_license_db_dir}" --failcache_dir "${option_failcache_dir}" \
        --archive_site_public "${archive_site_public}" \
        --archive_site_private "${archive_site_private}" ${include_deps} \
        ${portnames} || return
}

list-subports() {
    # $option_log_dir is set in mpbb
    # shellcheck disable=SC2154
    local log_subports_progress="${option_log_dir}/ports-progress.txt"

    local args
    parseopt archive-site:,archive-site-private:,include-deps: "$@" || return
    # $option_archive_site is set by parseopt
    # shellcheck disable=SC2154
    : "${option_archive_site=https://packages.macports.org}"
    # $option_archive_site_private is set by parseopt
    # shellcheck disable=SC2154
    : "${option_archive_site_private=https://packages-private.macports.org}"
    # $option_include_deps is set by parseopt
    # shellcheck disable=SC2154
    : "${option_include_deps=yes}"
    set -- ${args+"${args[@]}"}

    if [ $# -le 0 ]; then
        err "Must specify at least one port"
        return 1
    fi

    success=0

    # prepare the log file and make sure to start with an empty one
    mkdir -p "$option_log_dir"
    > "$log_subports_progress"

    print-subports "${option_archive_site}" "${option_archive_site_private}" "${option_include_deps}" "$*" && success=1

    if [ $success -eq 0 ]; then
        err "None of the specified ports were found in the port index."
        return 1
    fi
}