#!/bin/sh

prefix='/usr/local'
bindir='$(prefix)/bin'
confdir='$(prefix)/etc'
datadir='$(prefix)/share'
libdir='$(prefix)/lib'
statedir='/var/spool/cron'
mandir='$(datadir)/man'
docdir='$(datadir)/doc/$(package)'
unitdir='$(libdir)/systemd/system'
runparts='/usr/bin/run-parts'

# systemd ≥ 197
enable_boot=yes
enable_hourly=yes
enable_daily=yes
enable_weekly=yes
enable_monthly=yes

# systemd ≥ 209
enable_yearly=no

# systemd ≥ 212
enable_persistent=no

# systemd ≥ 217
enable_minutely=no
enable_quarterly=no
enable_semi_annually=no

# systemd ≥ 229
enable_randomized_delay=yes

ARGS=$(getopt -n "$(basename "${0}")" -o '' -l '
prefix:,
bindir:,
confdir:,
datadir:,
libdir:,
statedir:,
mandir:,
docdir:,
unitdir:,
runparts:,
enable-boot::,
enable-minutely::,
enable-hourly::,
enable-daily::,
enable-weekly::,
enable-monthly::,
enable-quarterly::,
enable-semi_annually::,
enable-yearly::,
enable-persistent::,
enable-randomized-delay::,
' -- "${@}")

if [ $? -ne 0 ]; then
    exit 1
fi

set_enable_flag()
{
    if [ -z ${2} ]; then
        eval "enable_${1}=yes"
    elif [ ${2} = 'yes' ] || [ ${2} = 'no' ]; then
        eval "enable_${1}=${2}"
    else
        echo "ERROR: Unknown value for enable-${1}: '${2}'. Expected 'yes' or 'no'."
    fi
}

eval set -- "${ARGS}"
while true;
do
    case "${1}" in
        '--prefix')
            prefix="${2}"
            shift 2;;

        '--bindir')
            bindir="${2}"
            shift 2;;

        '--confdir')
            confdir="${2}"
            shift 2;;

        '--datadir')
            datadir="${2}"
            shift 2;;

        '--libdir')
            libdir="${2}"
            shift 2;;

        '--statedir')
            statedir="${2}"
            shift 2;;

        '--mandir')
            mandir="${2}"
            shift 2;;

        '--docdir')
            docdir="${2}"
            shift 2;;

        '--unitdir')
            unitdir="${2}"
            shift 2;;

        '--runparts')
            runparts="${2}"
            shift 2;;

        '--enable-boot')
            set_enable_flag boot ${2}
            shift 2;;

        '--enable-minutely')
            set_enable_flag minutely ${2}
            shift 2;;

        '--enable-hourly')
            set_enable_flag hourly ${2}
            shift 2;;

        '--enable-daily')
            set_enable_flag daily ${2}
            shift 2;;

        '--enable-weekly')
            set_enable_flag weekly ${2}
            shift 2;;

        '--enable-monthly')
            set_enable_flag monthly ${2}
            shift 2;;

        '--enable-quarterly')
            set_enable_flag quarterly ${2}
            shift 2;;

        '--enable-semi_annually')
            set_enable_flag semi_annually ${2}
            shift 2;;

        '--enable-yearly')
            set_enable_flag yearly ${2}
            shift 2;;

        '--enable-persistent')
            set_enable_flag persistent ${2}
            shift 2;;

        '--enable-randomized-delay')
            set_enable_flag randomized_delay ${2}
            shift 2;;

        '--')
            shift
            break;;
    esac
done

if [ ${enable_boot} = 'yes' ]; then
    schedules="${schedules} boot"
fi

if [ ${enable_minutely} = 'yes' ]; then
    schedules="${schedules} minutely"
fi
if [ ${enable_hourly} = 'yes' ]; then
    schedules="${schedules} hourly"
fi
if [ ${enable_daily} = 'yes' ]; then
    schedules="${schedules} daily"
fi
if [ ${enable_weekly} = 'yes' ]; then
    schedules="${schedules} weekly"
fi
if [ ${enable_monthly} = 'yes' ]; then
    schedules="${schedules} monthly"
fi
if [ ${enable_quarterly} = 'yes' ]; then
    schedules="${schedules} quarterly"
fi
if [ ${enable_semi_annually} = 'yes' ]; then
    schedules="${schedules} semi-annually"
fi
if [ ${enable_yearly} = 'yes' ]; then
    schedules="${schedules} yearly"
fi

echo '# Generated by ./configure' > Makefile
sed "
s|@schedules@|${schedules}|g
s|@enable_persistent@|${enable_persistent}|g
s|@enable_randomized_delay@|${enable_randomized_delay}|g
s|@prefix@|${prefix}|g
s|@bindir@|${bindir}|g
s|@confdir@|${confdir}|g
s|@datadir@|${datadir}|g
s|@libdir@|${libdir}|g
s|@statedir@|${statedir}|g
s|@mandir@|${mandir}|g
s|@docdir@|${docdir}|g
s|@unitdir@|${unitdir}|g
s|@runparts@|${runparts}|g
" Makefile.in >> Makefile