sane: add systemd service from systemd-arch-units.

srcpkgs/sane/files/saned.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=saned incoming socket
+
+[Socket]
+ListenStream=6566
+Accept=yes
+
+[Install]
+WantedBy=sockets.target

srcpkgs/sane/files/saned@.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=Scanner Service
+
+[Service]
+Group=scanner
+ExecStart=/usr/sbin/saned
+StandardInput=socket
+StandardError=syslog

srcpkgs/sane/template

@@ -1,7 +1,7 @@
 # Template build file for 'sane'.
 pkgname=sane
 version=1.0.22
-revision=1
+revision=2
 patch_args="-Np1"
 wrksrc="sane-backends-${version}"
 distfiles="ftp://ftp2.sane-project.org/pub/sane/sane-backends-${version}/sane-backends-${version}.tar.gz"
@@ -116,4 +116,7 @@ post_install() {
 	vinstall tools/udev/libsane.rules 644 /lib/udev/rules.d 53-sane.rules
 	# fix udev rules
 	sed -i 's|NAME="%k", ||g' ${DESTDIR}/lib/udev/rules.d/53-sane.rules
+	# Install systemd service.
+	vinstall ${FILESDIR}/saned@.service 644 lib/systemd/system
+	vinstall ${FILESDIR}/saned.socket 644 lib/systemd/system
 }