make: improve live mount so that it registers the proper version

.gitignore

+/src/etc/pkg.conf
+/src/etc/pkg/**
+/src/etc/ssh/**
 /src/etc/php.ini
 /src/lib/**
 *.DS_Store

Makefile

 all:
 
 mount:
+	@${.CURDIR}/scripts/version.sh > \
+	    ${.CURDIR}/src/opnsense/version/opnsense
 	/sbin/mount_unionfs ${.CURDIR}/src /usr/local
 
 umount:

scripts/version.sh

+#!/bin/sh
+
+# Copyright (c) 2015 Franco Fichtner <franco@opnsense.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+set -e
+
+VERSION=$(git describe --abbrev=0)
+REVISION=$(git rev-list ${VERSION}.. --count)
+if [ "${REVISION}" != "0" ]; then
+	# must construct full version string manually
+	VERSION=${VERSION}_${REVISION}
+fi
+
+echo ${VERSION}

src/opnsense/version/.gitignore

+*