ndhc: generalized ndhc service

srcpkgs/ndhc/files/ndhc-eth0/run

@@ -1,2 +0,0 @@
-#!/bin/sh
-exec ndhc -i eth0 -R /etc/resolv.conf -u ndhc -U ndhc -D ndhc -C /var/lib/ndhc/jail -s /var/lib/ndhc/state 2>&1

srcpkgs/ndhc/files/ndhc/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+[ -r conf ] && . ./conf
+exec ndhc -R /etc/resolv.conf -u ndhc -U ndhc -D ndhc -C /var/lib/ndhc/jail -s /var/lib/ndhc/state ${OPTS:=-i eth0} 2>&1

srcpkgs/ndhc/template

@@ -1,7 +1,7 @@
 # Template file for 'ndhc'
 pkgname=ndhc
 version=20150527
-revision=1
+revision=2
 build_style=cmake
 make_dirs="/var/lib/ndhc/state 0755 root root
  /var/lib/ndhc/jail/dev 0755 root root"
@@ -36,6 +36,6 @@ do_fetch() {
 do_install() {
 	vbin build/src/ndhc
 	vman src/ndhc.8
-	vsv ndhc-eth0
+	vsv ndhc
 	vlicense LICENSE
 }