1#!/bin/sh
2#	$NetBSD: install.sh,v 1.5 2022/12/30 09:08:47 andvar Exp $
3#
4# Copyright (c) 1996 The NetBSD Foundation, Inc.
5# All rights reserved.
6#
7# This code is derived from software contributed to The NetBSD Foundation
8# by Jason R. Thorpe.
9#
10# Redistribution and use in source and binary forms, with or without
11# modification, are permitted provided that the following conditions
12# are met:
13# 1. Redistributions of source code must retain the above copyright
14#    notice, this list of conditions and the following disclaimer.
15# 2. Redistributions in binary form must reproduce the above copyright
16#    notice, this list of conditions and the following disclaimer in the
17#    documentation and/or other materials provided with the distribution.
18#
19# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29# POSSIBILITY OF SUCH DAMAGE.
30#
31
32#	NetBSD installation script.
33#	In a perfect world, this would be a nice C program, with a reasonable
34#	user interface.
35
36FILESYSTEMS="/tmp/filesystems"		# used throughout
37MODE="install"
38
39# include machine-dependent functions
40# The following functions must be provided:
41#	md_prep_disklabel()	- label the root disk
42#	md_welcome_banner()	- display friendly message
43#	md_congrats()		- display friendly message
44#	md_makerootwritable()	- make root writable (at least /tmp)
45
46# we need to make sure .'s below work if this directory is not in $PATH
47case $0 in
48*/*)	Mydir=${0%/*};;
49*)	Mydir=.;;
50esac
51Mydir=$(cd "${Mydir}" && pwd)
52
53#
54# Sub-parts
55#
56getresp() {
57	read resp
58	if [ -z "$resp" ]; then
59		resp=$1
60	fi
61}
62
63isin() {
64# test the first argument against the remaining ones, return success on a match
65	local a=$1
66	shift
67	while [ $# != 0 ]; do
68		if [ "$a" = "$1" ]; then return 0; fi
69		shift
70	done
71	return 1
72}
73
74getrootdisk() {
75	cat << \__getrootdisk_1
76
77The installation program needs to know which disk to consider
78the root disk.  Note the unit number may be different than
79the unit number you used in the standalone installation
80program.
81
82Available disks are:
83
84__getrootdisk_1
85	_DKDEVS=`md_get_diskdevs`
86	echo	"$_DKDEVS"
87	echo	""
88	echo -n	"Which disk is the root disk? "
89	getresp ""
90	if isin $resp $_DKDEVS ; then
91		ROOTDISK="$resp"
92	else
93		echo ""
94		echo "The disk $resp does not exist."
95		ROOTDISK=""
96	fi
97}
98
99labelmoredisks() {
100	cat << \__labelmoredisks_1
101
102You may label the following disks:
103
104__labelmoredisks_1
105	echo "$_DKDEVS"
106	echo	""
107	echo -n	"Label which disk? [done] "
108	getresp "done"
109	case "$resp" in
110		"done")
111			;;
112
113		*)
114			if isin $resp $_DKDEVS ; then
115				md_labeldisk $resp
116			else
117				echo ""
118				echo "The disk $resp does not exist."
119			fi
120			;;
121	esac
122}
123
124#
125# include machine dependent subroutines
126. $Mydir/install.md
127
128# Good {morning,afternoon,evening,night}.
129md_welcome_banner
130echo -n "Proceed? [n] "
131getresp "n"
132case "$resp" in
133	y*|Y*)
134		echo	"Cool!  Let's get to it..."
135		;;
136	*)
137		md_not_going_to_install
138		exit
139		;;
140esac
141
142# XXX Work around vnode aliasing bug (thanks for the tip, Chris...)
143ls -l /dev > /dev/null 2>&1
144
145# Deal with terminal issues
146md_set_term
147
148# Make sure we can write files (at least in /tmp)
149# This might make an MFS mount on /tmp, or it may
150# just re-mount the root with read-write enabled.
151md_makerootwritable
152
153while [ "X${ROOTDISK}" = "X" ]; do
154	getrootdisk
155done
156
157# Deal with disklabels, including editing the root disklabel
158# and labeling additional disks.  This is machine-dependent since
159# some platforms may not be able to provide this functionality.
160md_prep_disklabel ${ROOTDISK}
161
162# Pat on the back.
163md_congrats
164
165# ALL DONE!
166exit 0
167