mail-filter/milter-regex: Replacement for outdated ebuild

This is a replacement for the milter-regex 1.9 ebuild. Version
1.9 was released seven years ago, and the old ebuild was based
on EAPI 4. The new ebuild for milter-regex 2.2 (released a few
days ago) uses EAPI 7.

Bug: https://bugs.gentoo.org/666758
Package-Manager: Portage-2.3.49, Repoman-2.3.10
Signed-off-by: Ralph Seichter <gentoo@seichter.de>
Signed-off-by: Craig Andrews <candrews@gentoo.org>

mail-filter/milter-regex/Manifest

@@ -1 +1,2 @@
 DIST milter-regex-1.9.tar.gz 19880 BLAKE2B 8934eb4f78f168b6f4f93b3a7e70b896c6518cd1228ea8fe387184a718a002f051f5084a7a7f4d07c9e7832fe1c9e9bc907661c4e765dde938b7c6049c8772e6 SHA512 55cb97eba01220eb57c29498a090152c05d259abbe6f771e47a67499e7c2a1d4121ec9d0bce84cc8b6490bcd20dea8eaaba753e61f1ce9002edd8440b13f7148
+DIST milter-regex-2.2.tar.gz 20496 BLAKE2B 75cd668e8f75a62bb16d1e38d089465e1e9b49a7441594cb8f77279c9e29f1b90c7b452595f8653b81167fbed8f10e8322ccec51374446938ca43b245cbfa440 SHA512 c2f94d1d9897e2a3f62639343ff9272d28c044f25c59e10f12f37250aa0e5426174cb2a74850993246628e828d21f5cba8567de65a225235eac1969836e41f28

mail-filter/milter-regex/files/milter-regex-2.2-gentoo.patch

@@ -0,0 +1,38 @@
+--- a/Makefile.linux	2011-07-16 16:51:34.000000000 +0300
++++ a/Makefile.linux	2012-08-05 18:15:30.906378968 +0300
+@@ -6,28 +6,27 @@
+ # see milter-regex.init for an init script for RedHat/Fedora
+ # (contributed by admin@2ka.mipt.ru)
+ 
+-CFLAGS=		-g
+-LDFLAGS=	-L/usr/lib/libmilter -lmilter -lpthread
++LIBS=  -lmilter -lpthread
+ 
+ all: milter-regex milter-regex.cat8
+ 
+ milter-regex: milter-regex.o eval.o strlcat.o strlcpy.o y.tab.o
+-	gcc -o milter-regex milter-regex.o eval.o strlcat.o strlcpy.o y.tab.o $(LDFLAGS)
++	$(CC) $(LDFLAGS) -o milter-regex milter-regex.o eval.o strlcat.o strlcpy.o y.tab.o $(LIBS)
+ 
+ milter-regex.o: milter-regex.c eval.h
+-	gcc $(CFLAGS) -c milter-regex.c
++	$(CC) $(CFLAGS) -c milter-regex.c
+ 
+ eval.o: eval.c eval.h
+-	gcc $(CFLAGS) -c eval.c
++	$(CC) $(CFLAGS) -c eval.c
+ 
+ strlcat.o: strlcat.c
+-	gcc $(CFLAGS) -c strlcat.c
++	$(CC) $(CFLAGS) -c strlcat.c
+ 
+ strlcpy.o: strlcpy.c
+-	gcc $(CFLAGS) -c strlcpy.c
++	$(CC) $(CFLAGS) -c strlcpy.c
+ 
+ y.tab.o: y.tab.c
+-	gcc $(CFLAGS) -c y.tab.c
++	$(CC) $(CFLAGS) -c y.tab.c
+ 
+ y.tab.c: parse.y
+ 	yacc -d parse.y

mail-filter/milter-regex/files/milter-regex-conf-2.2

@@ -0,0 +1,13 @@
+# Config file.
+MR_CONF="/etc/milter-regex.conf"
+
+# Process and socket owner, socket group, socket permissions.
+MR_USER="milter"
+MR_GROUP="milter"
+MR_PERM="0660"
+
+MR_RUNDIR="/run/milter-regex"
+MR_SOCKET="${MR_RUNDIR}/socket"
+
+# Additional options for logging etc.
+MR_OPTS=""

mail-filter/milter-regex/files/milter-regex-init-2.2

@@ -0,0 +1,14 @@
+#!/sbin/openrc-run
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+command="/usr/bin/milter-regex"
+command_args="-c ${MR_CONF} -u ${MR_USER} -p unix:${MR_SOCKET} -P ${MR_PERM} -U ${MR_USER} -G ${MR_GROUP} ${MR_OPTS}"
+
+depend() {
+	before postfix sendmail
+}
+
+start_pre() {
+	checkpath --directory --mode 0755 --owner ${MR_USER}:${MR_GROUP} ${MR_RUNDIR}
+}

mail-filter/milter-regex/metadata.xml

@@ -1,10 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-<maintainer type="project">
-	<email>net-mail@gentoo.org</email>
-	<name>Net-Mail</name>
-</maintainer>
-<longdescription>milter-regex is a very simple milter-based plugin that rejects or discards messages matching
-regular expressions. It doesn't add much processing overhead, so even a busy mail server can afford to run it.</longdescription>
+	<maintainer type="person">
+		<email>gentoo@seichter.de</email>
+		<name>Ralph Seichter</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>net-mail@gentoo.org</email>
+		<name>Net-Mail</name>
+	</maintainer>
+	<longdescription>
+		milter-regex is a very simple milter-based plugin that rejects or
+		discards messages matching regular expressions. It doesn't add much
+		processing overhead, so even a busy mail server can afford to run it.
+	</longdescription>
+	<upstream>
+		<doc>https://www.benzedrine.ch/milter-regex.html</doc>
+	</upstream>
 </pkgmetadata>

mail-filter/milter-regex/milter-regex-2.2.ebuild

@@ -0,0 +1,51 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs user
+
+DESCRIPTION="A milter-based regular expression filter"
+HOMEPAGE="https://www.benzedrine.ch/milter-regex.html"
+SRC_URI="https://www.benzedrine.ch/${P}.tar.gz"
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+RDEPEND="|| ( mail-filter/libmilter mail-mta/sendmail )"
+DEPEND="${RDEPEND}
+	virtual/yacc"
+
+PATCHES=( "${FILESDIR}/${P}-gentoo.patch" )
+
+src_compile() {
+	emake CC="$(tc-getCC)" -f Makefile.linux all
+}
+
+src_install() {
+	dobin ${PN}
+
+	insinto /etc
+	newins rules ${PN}.conf
+
+	newconfd "${FILESDIR}/${PN}-conf-${PV}" ${PN}
+	newinitd "${FILESDIR}/${PN}-init-${PV}" ${PN}
+
+	doman *.8
+}
+
+pkg_preinst() {
+	# For consistency with mail-milter/spamass-milter (see bug #280571).
+	# While the milter process requires an owner, a home directory is not
+	# necessary because no data is written.
+	enewgroup milter
+	enewuser milter -1 -1 /var/lib/milter milter
+}
+
+pkg_postinst() {
+	elog "Postfix configuration example (add to main.cf or master.cf):"
+	elog "  smtpd_milters=unix:/run/milter-regex/socket"
+	elog "Sendmail configuration example:"
+	elog "  INPUT_MAIL_FILTER(\`${PN}',\`S=unix:/run/milter-regex/socket,T=S:30s;R:2m')"
+}