# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="5"

PATCHSET=4

WANT_AUTOMAKE=none

inherit eutils autotools user

DESCRIPTION="Extremely simple MTA to get mail off the system to a Mailhub"
HOMEPAGE="ftp://ftp.debian.org/debian/pool/main/s/ssmtp/"
SRC_URI="mirror://debian/pool/main/s/ssmtp/${P/-/_}.orig.tar.bz2
	https://dev.gentoo.org/~pinkbyte/distfiles/patches/${P}-patches-${PATCHSET}.tar.xz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="ipv6 libressl +ssl gnutls +mta"

DEPEND="ssl? (
		gnutls? ( net-libs/gnutls[openssl] )
		!gnutls? (
			!libressl? ( dev-libs/openssl:0= )
			libressl? ( dev-libs/libressl:0= )
		)
	)"
RDEPEND="${DEPEND}
	net-mail/mailbase
	mta? (
		!net-mail/mailwrapper
		!mail-mta/courier
		!mail-mta/esmtp
		!mail-mta/exim
		!mail-mta/mini-qmail
		!mail-mta/msmtp[mta]
		!mail-mta/nbsmtp
		!mail-mta/netqmail
		!mail-mta/nullmailer
		!mail-mta/postfix
		!mail-mta/qmail-ldap
		!mail-mta/sendmail
		!mail-mta/opensmtpd
	)"

REQUIRED_USE="gnutls? ( ssl )"

pkg_setup() {
	if ! use prefix; then
		enewgroup ssmtp
	fi
}

src_prepare() {
	EPATCH_SUFFIX="patch" EPATCH_SOURCE="${WORKDIR}/patches" \
		epatch
	epatch_user

	# let's start by not using configure.in anymore as future autoconf
	# versions will not support it.
	mv configure.in configure.ac || die

	eautoconf
}

src_configure() {
	econf \
		--sysconfdir="${EPREFIX}"/etc/ssmtp \
		$(use_enable ssl) $(use_with gnutls) \
		$(use_enable ipv6 inet6) \
		--enable-md5auth
}

src_compile() {
	emake etcdir="${EPREFIX}"/etc || die
}

src_install() {
	dosbin ssmtp

	doman ssmtp.8 ssmtp.conf.5
	dodoc ChangeLog CHANGELOG_OLD INSTALL README TLS
	newdoc ssmtp.lsm DESC

	insinto /etc/ssmtp
	doins ssmtp.conf revaliases

	local conffile="${ED}etc/ssmtp/ssmtp.conf"

	# Sorry about the weird indentation, I couldn't figure out a cleverer way
	# to do this without having horribly >80 char lines.
	sed -i -e "s:^hostname=:\n# Gentoo bug #47562\\
# Commenting the following line will force ssmtp to figure\\
# out the hostname itself.\n\\
# hostname=:" \
		"${conffile}" || die "sed failed"

	# Comment rewriteDomain (bug #243364)
	sed -i -e "s:^rewriteDomain=:#rewriteDomain=:" "${conffile}"

	# Set restrictive perms on ssmtp.conf as per #187841, #239197
	# Protect the ssmtp configfile from being readable by regular users as it
	# may contain login/password data to auth against a the mailhub used.
	if ! use prefix; then
		fowners root:ssmtp /etc/ssmtp/ssmtp.conf
		fperms 640 /etc/ssmtp/ssmtp.conf
		fowners root:ssmtp /usr/sbin/ssmtp
		fperms 2711 /usr/sbin/ssmtp
	fi

	if use mta; then
		dosym ../sbin/ssmtp /usr/lib/sendmail
		dosym ../sbin/ssmtp /usr/bin/sendmail
		dosym ssmtp /usr/sbin/sendmail
		dosym ../sbin/ssmtp /usr/bin/mailq
		dosym ../sbin/ssmtp /usr/bin/newaliases
	fi
}