1 #!/bin/sh 2 # $NetBSD: upgrade.sh,v 1.10 2021/08/09 19:24:32 andvar Exp $ 3 # 4 # Copyright (c) 1994 Christopher G. Demetriou 5 # All rights reserved. 6 # 7 # Redistribution and use in source and binary forms, with or without 8 # modification, are permitted provided that the following conditions 9 # are met: 10 # 1. Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # 2. Redistributions in binary form must reproduce the above copyright 13 # notice, this list of conditions and the following disclaimer in the 14 # documentation and/or other materials provided with the distribution. 15 # 3. All advertising materials mentioning features or use of this software 16 # must display the following acknowledgement: 17 # This product includes software developed for the 18 # NetBSD Project. See http://www.NetBSD.org/ for 19 # information about NetBSD. 20 # 4. The name of the author may not be used to endorse or promote products 21 # derived from this software without specific prior written permission. 22 # 23 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 # 34 # <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 35 36 # NetBSD upgrade script. 37 # In a perfect world, this would be a nice C program, with a reasonable 38 # user interface. 39 40 #DONTDOIT=echo 41 42 VERSION=1.2 43 44 getresp() { 45 read resp 46 if [ "X$resp" = "X" ]; then 47 resp=$1 48 fi 49 } 50 51 getvar() { 52 echo $(eval $(echo "echo \$$1")) 53 } 54 55 shiftvar() { 56 local - var 57 var="$1" 58 list="$(getvar $var)" 59 set -- $list 60 shift 61 setvar $var "$*" 62 } 63 64 getparts() { 65 disklabel $1 2>/dev/null | sed -e '/^[ ][ ][ad-p]/!d' | 66 sed -e 's,^[ ]*\([a-p]\):[ ]*[0-9]*[ ]*[0-9]*[ ][ ]*\([a-zA-Z0-9.]*\).*,\1 \2,' | 67 sed -e ':a 68 N;${s/\n/ /g;p;d;} 69 ba' 70 } 71 72 getdrives() { 73 local du thispart 74 for du in /dev/rsd?a; do 75 dd if=$du of=/dev/null bs=1b count=1 >/dev/null 2>&1 76 if [ $? -eq 0 ]; then 77 thisunit=`echo $du | sed -e 's,/dev/r\(...\)a,\1,g'` 78 driveunits="$driveunits $thisunit" 79 else 80 continue; 81 fi 82 setvar $thisunit "$(getparts $thisunit)" 83 export $thisunit 84 done 85 export drivenunits 86 } 87 88 Convert_fstab() { 89 if [ ! -e /mnt/etc/fstab.ufs ]; then 90 mv /mnt/etc/fstab /mnt/etc/fstab.ufs 91 fi 92 sed "s/ufs/ffs/" /mnt/etc/fstab.ufs >/mnt/etc/fstab 93 } 94 95 echo "Welcome to the NetBSD ${VERSION} upgrade program." 96 echo "" 97 echo "This program is designed to help you put the new version of NetBSD" 98 echo "on your hard disk, in a simple and rational way. To upgrade, you" 99 echo "must have plenty of free space on all partitions which will be" 100 echo "upgraded. If you have at least 1MB free on your root partition," 101 echo "and several free on your /usr partition, you should be fine." 102 echo "" 103 echo "As with anything which modifies your hard drive's contents, this" 104 echo "program can cause SIGNIFICANT data loss, and you are advised" 105 echo "to make sure your hard drive is backed up before beginning the" 106 echo "upgrade process." 107 echo "" 108 echo "Default answers are displayed in brackets after the questions." 109 echo "You can hit Control-C at any time to quit, but if you do so at a" 110 echo "prompt, you may have to hit return. Also, quitting in the middle of" 111 echo "the upgrade may leave your system in an inconsistent (and unusable)" 112 echo "state." 113 echo "" 114 echo -n "Proceed with upgrade? [n] " 115 getresp "n" 116 case "$resp" in 117 y*|Y*) 118 echo "Cool! Let's get to it..." 119 ;; 120 *) 121 echo "" 122 echo "OK, then. Enter 'halt' at the prompt to halt the" 123 echo "machine. Once the machine has halted, remove the" 124 echo "floppy and press any key to reboot." 125 exit 126 ;; 127 esac 128 129 # find out what units are possible, and query the user. 130 131 getdrives 132 133 if [ "X${driveunits}" = "X" ]; then 134 echo "FATAL ERROR:" 135 echo "No disk devices." 136 echo "This is probably a bug in the install disks." 137 echo "Exiting install program." 138 exit 139 fi 140 141 echo "" 142 echo "The following disks are supported by this upgrade procedure:" 143 echo " "${driveunits} 144 echo "" 145 echo "If your system was previously completely contained within the" 146 echo "disks listed above (i.e. if your system didn't occupy any space" 147 echo "on disks NOT listed above), this upgrade disk can upgrade your" 148 echo "system. If it cannot, hit Control-C at the prompt." 149 echo "" 150 while [ "X${drivename}" = "X" ]; do 151 echo -n "Which disk contains your root partition? " 152 getresp 153 otherdrives=`echo "${driveunits}" | sed -e s,${resp},,` 154 if [ "X${driveunits}" = "X${otherdrives}" ]; then 155 echo "" 156 echo "\"${resp}\" is an invalid drive name. Valid choices" 157 echo "are: "${driveunits} 158 echo "" 159 else 160 drivename=${resp} 161 fi 162 done 163 164 echo "" 165 echo "Root partition is on ${drivename}a." 166 167 echo "" 168 echo "If you've still installed 0.9 or earlier on your machine or you" 169 echo "haven't upgraded your pre-1.0 filesystems, then you might want to" 170 echo "upgrade the filesystem to the version introduced with 1.0." 171 echo "" 172 echo "Would you like to upgrade your file systems to the new file system" 173 echo -n "format? [y] " 174 getresp "y" 175 case "$resp" in 176 n*|N*) 177 echo "" 178 echo "You should upgrade your file systems with 'fsck -c 2'" 179 echo "as soon as is feasible, because the new file system" 180 echo "code is better-tested and more performant." 181 upgradefs=NO 182 ;; 183 *) 184 upgradefs=YES 185 ;; 186 esac 187 188 if [ $upgradefs = YES ]; then 189 echo "" 190 echo "Upgrading the file system on ${drivename}a..." 191 192 $DONTDOIT fsck -p -c 2 /dev/r${drivename}a 193 if [ $? != 0 ]; then 194 echo "FATAL ERROR: FILE SYSTEM UPGRADE FAILED." 195 echo "You should probably reboot the machine, fsck your" 196 echo "disk(s), and try the upgrade procedure again." 197 exit 1 198 fi 199 echo "Done." 200 fi 201 202 echo "" 203 echo "Mounting root partition on /mnt..." 204 $DONTDOIT mount /dev/${drivename}a /mnt 205 if [ $? != 0 ]; then 206 echo "FATAL ERROR: MOUNT FAILED." 207 echo "You should verify that your system is set up as you" 208 echo "described, and re-attempt the upgrade procedure." 209 exit 1 210 fi 211 echo "Done." 212 213 #<<<<<<<<<<<<<<<<<<<<<<<< update etc/fstab to ffs? >>>>>>>>>>>>>>>>>>>>>>>> 214 echo "" 215 echo -n "Converting ufs entries in fstab to ffs..." 216 $DONTDOIT Convert_fstab 217 echo "Done." 218 219 if [ $upgradefs = YES ]; then 220 echo "" 221 echo -n "Copying new fsck binary to your hard disk..." 222 if [ ! -d /mnt/sbin ]; then 223 $DONTDOIT mkdir /mnt/sbin 224 fi 225 $DONTDOIT cp /sbin/fsck /mnt/sbin/fsck 226 if [ $? != 0 ]; then 227 echo "FATAL ERROR: COPY FAILED." 228 echo "It in unclear why this error would occur. It looks" 229 echo "like you may end up having to upgrade by hand." 230 exit 1 231 fi 232 $DONTDOIT sync 233 echo " Done." 234 235 echo "" 236 echo "Re-mounting root partition read-only..." 237 $DONTDOIT mount -u -o ro /dev/${drivename}a /mnt 238 if [ $? != 0 ]; then 239 echo "FATAL ERROR: RE-MOUNT FAILED." 240 echo "It in unclear why this error would occur. It looks" 241 echo "like you may end up having to upgrade by hand." 242 exit 1 243 fi 244 echo "Done." 245 246 echo "" 247 echo "Upgrading the rest of your file systems..." 248 $DONTDOIT chroot /mnt fsck -p -c 2 249 if [ $? != 0 ]; then 250 echo "FATAL ERROR: FILE SYSTEM UPGRADE(S) FAILED." 251 echo "You should probably reboot the machine, fsck your" 252 echo "file system(s), and try the upgrade procedure" 253 echo "again." 254 exit 1 255 fi 256 echo "Done." 257 258 echo "" 259 echo "Re-mounting root partition read-write..." 260 $DONTDOIT mount -u -o rw /dev/${drivename}a /mnt 261 if [ $? != 0 ]; then 262 echo "FATAL ERROR: RE-MOUNT FAILED." 263 echo "It in unclear why this error would occur. It looks" 264 echo "like you may end up having to upgrade by hand." 265 exit 1 266 fi 267 echo "Done." 268 fi 269 270 echo "" 271 echo "Copying bootstrapping binaries and config files to the hard drive..." 272 $DONTDOIT pax -rwpe sbin/mount_ffs /mnt 273 274 echo "" 275 echo "Mounting remaining partitions..." 276 $DONTDOIT chroot /mnt mount -at ffs > /dev/null 2>&1 277 echo "Done." 278 279 echo "" 280 echo "" 281 echo "OK! The preliminary work of setting up your disk is now complete," 282 echo "and you can now upgrade the actual NetBSD software." 283 echo "" 284 echo "Right now, your hard disk is mounted on /mnt. You should consult" 285 echo "the installation notes to determine how to load and install the new" 286 echo "NetBSD distribution sets, and how to clean up after the upgrade" 287 echo "software, when you are done." 288 echo "" 289 echo "GOOD LUCK!" 290 echo "" 291
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