Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

pkgbase: Put resolvconf in its own package

It doesn't really make sense to have it in runtime and let's not
bloat utilities more.

Differential Revision: https://reviews.freebsd.org/D36223

sbin: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

MFC after: 1 month
Sponsored by: Dell EMC Isilon

resolvconf: restore RESTARTCMD=, CMD1=, CMD2= and sed pattern as before.

r312992 removed RESTARTCMD_WITH_ARG for @RESTARTCMD something@ but
reverted the sed to be '@RESTARTCMD \(.*\)@' and RESTARTCMD= to be
the value of RESTARTCMD_WITH_ARG.

Submitted by: Guy Yur
x_MFC with: r312992

Fix missing substitution of @SBINDIR@ in resolvconf scripts

Certain features, such as resolv_conf_passthrough=NULL, do not work
correctly due to this missing substitution.

Also remove the @PREFIX@ substitution, which is no longer needed.

Reviewed by: pfg
Approved by: vangyzen (mentor)
MFC after: 1 week
Sponsored by: Dell Inc.
Differential Revision: https://reviews.freebsd.org/D7572

resolvconf(8) now needs an additional @RESTARTCMD@ replacement when installing.

After r303062, which brought openresolv 3.8.1, we need to replace an
additional @RESTARTCMD@ in resolvconf.
Apply a read fix this time.

Submitted by: Guy Yur
X-MFC with: r303062

resolvconf(8) now needs an additional @RESTARTCMD@ replacement when installing.

After r303062, which brought openresolv 3.8.1, we need to replace an
additional @RESTARTCMD@ in resolvconf.

Reported by: Guy Yur
X-MFC with: r303062

Explicitly add more files to the 'runtime' package.

Sponsored by: The FreeBSD Foundation

Add resolvconf(8) which manages resolv.conf.