#!/bin/mkpkg
# description: Free implementation of the SMTP protocol
# url: https://www.opensmtpd.org/

name=opensmtpd
version=7.9.0p0
release=2
depends=(libressl libevent zlib musl-fts)
makedeps=(bison)
groups=(
    _smtpd:user:_smtpd:/nonexistent:755:915:915
    _smtpq:user:_smtpq:/nonexistent:755:916:916
)
services=(smtpd)
permissions=(
    /etc/mail/smtpd.conf:root:_smtpd:640
    /var/spool/smtpd:root:root:711
    /var/spool/smtpd/queue:_smtpq:root:700
    /var/spool/smtpd/offline:root:_smtpq:770
    /var/spool/smtpd/purge:_smtpq:root:700
)
source=(https://www.opensmtpd.org/archives/$name-$version.tar.gz)
sha256sums=(
    "74e640de18a8ea63ef43ba2ddb1a6ad1eb82cce2e600b94e98cb551bb2a724c4"
)

build() {
    cd $name-$version

    ./configure \
        --prefix=/usr \
        --sbindir=/usr/bin \
        --sysconfdir=/etc/mail \
        --localstatedir=/var \
        --with-path-empty=/var/empty \
        --with-path-socket=/run \
        --with-path-CAfile=/etc/ssl/cert.pem \
        --with-user-smtpd=_smtpd \
        --with-user-queue=_smtpq \
        --with-group-queue=_smtpq \
        --with-mantype=man \
        --with-libssl=/usr \
        --with-libevent=/usr

    make
    make DESTDIR=$PKG install

    # Clean docs
    rm -rf $PKG/usr/share/doc

    # Symlink sendmail compatibility
    install -d $PKG/usr/bin
    [ -e $PKG/usr/bin/sendmail ] || ln -sf smtpctl $PKG/usr/bin/sendmail
    install -d $PKG/usr/lib
    ln -sf /usr/bin/smtpctl $PKG/usr/lib/sendmail

    # Spool directory layout (queue/offline/purge created by smtpd at runtime,
    # but pre-create for permissions= to set ownership on install)
    install -d -m 711 $PKG/var/spool/smtpd
    install -d -m 700 $PKG/var/spool/smtpd/queue
    install -d -m 770 $PKG/var/spool/smtpd/offline
    install -d -m 700 $PKG/var/spool/smtpd/purge

    # Mail aliases default
    install -d $PKG/etc/mail
}

post_build() {
    # Minimal smtpd.conf — outbound only initially, no inbound listener.
    # Receives local mail (from cron, scripts, etc.) and forwards to smarthost
    # if needed, or accepts on localhost for sendmail-compat.
    printf '%s\n' \
        '# OpenSMTPD configuration — see smtpd.conf(5)' \
        '' \
        'table aliases file:/etc/mail/aliases' \
        '' \
        '# Listen only on loopback for local submissions' \
        'listen on lo' \
        '' \
        '# Local delivery to system users (Maildir under ~/Maildir)' \
        'action "local_mail" maildir "~/Maildir" alias <aliases>' \
        '' \
        '# Outbound relay (direct MX delivery)' \
        'action "outbound" relay' \
        '' \
        'match from local for local action "local_mail"' \
        'match from local for any action "outbound"' \
        > $PKG/etc/mail/smtpd.conf

    # Stub aliases file
    printf '%s\n' \
        '# /etc/mail/aliases — see aliases(5)' \
        'postmaster: root' \
        'root: root' \
        > $PKG/etc/mail/aliases

    # runit service
    install -d $PKG/etc/sv/smtpd/log

    printf '%s\n' \
        '#!/bin/sh' \
        'exec 2>&1' \
        '' \
        '# Validate config before launching' \
        'smtpd -n || exit 1' \
        '' \
        'exec smtpd -d' \
        > $PKG/etc/sv/smtpd/run

    printf '%s\n' \
        '#!/bin/sh' \
        'mkdir -p /var/log/smtpd' \
        'exec svlogd -tt /var/log/smtpd' \
        > $PKG/etc/sv/smtpd/log/run

    chmod 755 $PKG/etc/sv/smtpd/run
    chmod 755 $PKG/etc/sv/smtpd/log/run
}

signify() {
    untrusted comment: public key
    RWTZ9IduCSQ/mL8337TEUinPwT92xFEUpD92hkS7IxcOnzTt9QdpohT3
}

# vim: filetype=sh