net-p2p/go-ipfs-bin: add services for openrc & systemd

Closes: https://bugs.gentoo.org/643634

net-p2p/go-ipfs-bin/files/ipfs.confd

@@ -0,0 +1 @@
+IPFS_PATH=/var/lib/ipfs/.ipfs

net-p2p/go-ipfs-bin/files/ipfs.init

@@ -0,0 +1,27 @@
+#!/sbin/openrc-run
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+IPFS_PATH=${IPFS_PATH:-/var/lib/ipfs/.ipfs}
+
+depend() {
+	need net
+}
+
+start() {
+  ebegin "Starting ipfs"
+  start-stop-daemon --wait 1000 -b --start -u ipfs \
+	-e IPFS_PATH=${IPFS_PATH} \
+	--make-pidfile --pidfile /run/ipfs.pid \
+	--exec /usr/bin/ipfs \
+	-- daemon --enable-gc --migrate
+  eend $?
+}
+
+stop() {
+  ebegin "Stopping ipfs"
+  start-stop-daemon --stop --exec /usr/bin/ipfs \
+      --pidfile /run/ipfs.pid \
+      -- shutdown
+  eend $?
+}

net-p2p/go-ipfs-bin/files/ipfs.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=InterPlanetary File System
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/ipfs daemon --enable-gc --migrate
+ExecStop=/usr/bin/ipfs shutdown
+Group=%i
+Restart=always
+Type=simple
+User=%i
+
+[Install]
+WantedBy=multi-user.target

net-p2p/go-ipfs-bin/go-ipfs-bin-0.4.15.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=6
 
-inherit bash-completion-r1
+inherit bash-completion-r1 systemd user
 
 DESCRIPTION="Main implementation of IPFS"
 HOMEPAGE="https://ipfs.io/"
@@ -25,5 +25,18 @@ QA_PREBUILT="/usr/bin/ipfs"
 src_install() {
 	dobin ipfs
 
+	systemd_dounit "${FILESDIR}/ipfs.service"
+	newinitd "${FILESDIR}/ipfs.init" ipfs
+	newconfd "${FILESDIR}/ipfs.confd" ipfs
+
 	newbashcomp "${DISTDIR}/${P}.bash" "ipfs"
 }
+
+pkg_postinst() {
+	enewgroup ipfs
+	enewuser ipfs "" "" /var/lib/ipfs ipfs
+
+	elog 'To be able to use the ipfs service you will need to create the ipfs repository'
+	elog '(eg: su -s /bin/sh -c "ipfs init -e" ipfs)'
+	elog 'or change IPFS_PATH of /etc/conf.d/ipfs with another with proper permissions.'
+}