distrib/amiga/floppies/upgr/upgrade.sh

   1 #!/bin/sh
   2 # $NetBSD: upgrade.sh,v 1.8 2003/07/26 17:06:31 salo 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 ${VERSION} upgrade program."
  96 echo    ""
  97 echo    "This program is designed to help you put the new version of NetBSD"
  98 echo    "on your hard disk, in a simple and rational way.  To upgrade, you"
  99 echo    "must have plenty of free space on all partitions which will be"
 100 echo    "upgraded.  If you have at least 1MB free on your root partition,"
 101 echo    "and several free on your /usr patition, you should be fine."
 102 echo    ""
 103 echo    "As with anything which modifies your hard drive's contents, this"
 104 echo    "program can cause SIGNIFICANT data loss, and you are advised"
 105 echo    "to make sure your hard drive is backed up before beginning the"
 106 echo    "upgrade process."
 107 echo    ""
 108 echo    "Default answers are displayed in brackets after the questions."
 109 echo    "You can hit Control-C at any time to quit, but if you do so at a"
 110 echo    "prompt, you may have to hit return.  Also, quitting in the middle of"
 111 echo    "the upgrade may leave your system in an inconsistent (and unusable)"
 112 echo    "state."
 113 echo    ""
 114 echo -n "Proceed with upgrade? [n] "
 115 getresp "n"
 116 case "$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    ""