xref: /freebsd/usr.sbin/bsdinstall/scripts/umount (revision f7c32ed617858bcd22f8d1b03199099d50125721)
1#!/bin/sh
2#-
3# Copyright (c) 2011 Nathan Whitehorn
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28
29TMP_FSTAB=${TMPDIR:-"/tmp"}/bsdinstall-tmp-fstab
30
31cat $PATH_FSTAB | awk -v BSDINSTALL_CHROOT=$BSDINSTALL_CHROOT '{
32	if ($2 ~ "^/.*") {
33		fsname = $2;
34		if (fsname == "/")
35			fsname = ""
36		printf("%s\t%s%s\t%s\t%s\t%s\t%s\n", $1, BSDINSTALL_CHROOT,
37		    fsname, $3, $4, $5, $6);
38	}
39}' > $TMP_FSTAB
40
41umount $BSDINSTALL_CHROOT/dev 2>/dev/null
42if [ -n "$TMP_FSTAB" ]; then
43	umount -F $TMP_FSTAB -a 2>/dev/null
44fi
45