distrib/alpha/instkernel/ramdisk/upgrade.sh

   1 #!/bin/sh
   2 # $NetBSD: upgrade.sh,v 1.2 2002/05/07 14:47:45 lukem Exp $
   3 #
   4 # Copyright (c) 1997 Perry E. Metzger
   5 # Copyright (c) 1994 Christopher G. Demetriou
   6 # All rights reserved.
   7 #
   8 # Redistribution and use in source and binary forms, with or without
   9 # modification, are permitted provided that the following conditions
  10 # are met:
  11 # 1. Redistributions of source code must retain the above copyright
  12 #    notice, this list of conditions and the following disclaimer.
  13 # 2. Redistributions in binary form must reproduce the above copyright
  14 #    notice, this list of conditions and the following disclaimer in the
  15 #    documentation and/or other materials provided with the distribution.
  16 # 3. All advertising materials mentioning features or use of this software
  17 #    must display the following acknowledgement:
  18 #          This product includes software developed for the
  19 #          NetBSD Project.  See http://www.NetBSD.org/ for
  20 #          information about NetBSD.
  21 # 4. The name of the author may not be used to endorse or promote products
  22 #    derived from this software without specific prior written permission.
  23 #
  24 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  25 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  27 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  28 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 #
  35 # <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
  36
  37 #       NetBSD upgrade script.
  38 #       In a perfect world, this would be a nice C program, with a reasonable
  39 #       user interface.
  40
  41 DT=/etc/disktab                         # /etc/disktab
  42 FSTABDIR=/mnt/etc                       # /mnt/etc
  43 #DONTDOIT=echo
  44 UARGS="-c 2"
  45
  46 FSTAB=${FSTABDIR}/fstab
  47
  48 getresp() {
  49         read resp
  50         if [ "X$resp" = "X" ]; then
  51                 resp=$1
  52         fi
  53 }
  54
  55 echo    "Welcome to the original NetBSD/alpha upgrade program."
  56 getresp
  57 echo    "This version of the program has been largely replaced by the new
  58 echo    "sysinst utility. Both programs are on this installation media set.
  59 echo -n "Type the return key to continue..."
  60 echo    ""
  61 echo    "This program is designed to help you put the new version of NetBSD"
  62 echo    "on your hard disk, in a simple and rational way.  To upgrade, you"
  63 echo    "must have plenty of free space on all partitions which will be"
  64 echo    "upgraded.  If you have at least 1MB free on your root partition,"
  65 echo    "and several free on your /usr patition, you should be fine."
  66 echo    ""
  67 echo    "As with anything which modifies your hard drive's contents, this"
  68 echo    "program can cause SIGNIFICANT data loss, and you are advised"
  69 echo    "to make sure your hard drive is backed up before beginning the"
  70 echo    "upgrade process."
  71 echo    ""
  72 echo    "Default answers are displyed in brackets after the questions."
  73 echo    "You can hit Control-C at any time to quit, but if you do so at a"
  74 echo    "prompt, you may have to hit return.  Also, quitting in the middle of"
  75 echo    "the upgrade may leave your system in an inconsistent (and unusable)"
  76 echo    "state."
  77 echo    ""
  78 echo -n "Proceed with upgrade? [n] "
  79 getresp "n"
  80 case "$resp" in
  81         y*|Y*)
  82                 echo    "Cool!  Let's get to it..."
  83                 ;;
  84         *)
  85                 echo    ""
  86                 echo    "OK, then.  Enter 'halt' at the prompt to halt the"
  87                 echo    "machine.  Once the machine has halted, remove the"
  88                 echo    "floppy and press any key to reboot."
  89                 exit
  90                 ;;
  91 esac
  92
  93 # find out what units are possible, and query the user.
  94 driveunits=`echo /dev/[sw]d?a | sed -e 's,/dev/\(...\)a,\1,g'`
  95 if [ "X${driveunits}" = "X" ]; then
  96         echo    "FATAL ERROR:"
  97         echo    "No disk devices."
  98         echo    "This is probably a bug in the install disks."
  99         echo    "Exiting install program."
 100         exit
 101 fi
 102
 103 echo    ""
 104 echo    "The following disks are supported by this upgrade procedure:"
 105 echo    "       "${driveunits}
 106 echo    "If your system was previously completely contained within the"
 107 echo    "disks listed above (i.e. if your system didn't occupy any space"
 108 echo    "on disks NOT listed above), this upgrade disk can upgrade your"
 109 echo    "system.  If it cannot, hit Control-C at the prompt."
 110 echo    ""
 111 while [ "X${drivename}" = "X" ]; do
 112         echo -n "Which disk contains your root partition? "
 113         getresp
 114         otherdrives=`echo "${driveunits}" | sed -e s,${resp},,`
 115         if [ "X${driveunits}" = "X${otherdrives}" ]; then
 116                 echo    ""
 117                 echo    "\"${resp}\" is an invalid drive name.  Valid choices"
 118                 echo    "are: "${driveunits}
 119                 echo    ""
 120         else
 121                 drivename=${resp}
 122         fi
 123 done
 124
 125 echo    ""
 126 echo    "Root partition is on ${drivename}a."
 127
 128 echo    ""
 129 echo    "If (and only if!) you are upgrading from NetBSD 0.9 or below,"
 130 echo    "you should upgrade to the new file system format. Do not answer"
 131 echo    "yes if you are upgrading from NetBSD 1.0 or above."
 132 echo    "Would you like to upgrade your file systems to the new file system"
 133 echo -n "format? [y] "
 134 getresp "y"
 135 case "$resp" in
 136         n*|N*)
 137                 echo    ""
 138                 echo    "If you are upgrading from NetBSD 0.9 or below,"
 139                 echo    "you should upgrade your file systems with 'fsck -c 2'"
 140                 echo    "as soon as is feasible, because the new file system"
 141                 echo    "code is better-tested and more performant."
 142                 upgrargs=""
 143                 upgradefs=NO
 144                 ;;
 145         *)
 146                 upgrargs=$UARGS
 147                 upgradefs=YES
 148                 ;;
 149 esac
 150
 151 if [ $upgradefs = YES ]; then
 152         echo    ""
 153         echo    "your file systems will be upgraded while they are checked"
 154 fi
 155
 156 echo    "checking the file system on ${drivename}a..."
 157
 158 fsck -f -p $upgrargs /dev/r${drivename}a
 159 if [ $? != 0 ]; then
 160         echo    "FATAL ERROR: FILE SYSTEM UPGRADE FAILED."
 161         echo    "You should probably reboot the machine, fsck your"
 162         echo    "disk(s), and try the upgrade procedure again."
 163         exit 1
 164 fi
 165
 166 echo    ""
 167 echo    "Mounting root partition on /mnt..."
 168 mount /dev/${drivename}a /mnt
 169 if [ $? != 0 ]; then
 170         echo    "FATAL ERROR: MOUNT FAILED."
 171         echo    "You should verify that your system is set up as you"
 172         echo    "described, and re-attempt the upgrade procedure."
 173         exit 1
 174 fi
 175 echo    "Done."
 176
 177 echo    ""
 178 echo -n "Copying new fsck binary to your hard disk..."
 179 if [ ! -d /mnt/sbin ]; then
 180         mkdir /mnt/sbin
 181 fi
 182 cp /sbin/fsck /mnt/sbin/fsck
 183 if [ $? != 0 ]; then
 184         echo    "FATAL ERROR: COPY FAILED."
 185         echo    "It in unclear why this error would occur.  It looks"
 186         echo    "like you may end up having to upgrade by hand."
 187         exit 1
 188 fi
 189 echo    " Done."
 190
 191 echo    ""
 192 echo    "Re-mounting root partition read-only..."
 193 mount -u -o ro /dev/${drivename}a /mnt
 194 if [ $? != 0 ]; then
 195         echo    "FATAL ERROR: RE-MOUNT FAILED."
 196         echo    "It in unclear why this error would occur.  It looks"
 197         echo    "like you may end up having to upgrade by hand."
 198         exit 1
 199 fi
 200 echo    "Done."
 201
 202 echo    ""
 203 echo    "checking the rest of your file systems..."
 204 chroot /mnt fsck -f -p $upgrargs
 205 if [ $? != 0 ]; then
 206         echo    "FATAL ERROR: FILE SYSTEM UPGRADE(S) FAILED."
 207         echo    "You should probably reboot the machine, fsck your"
 208         echo    "file system(s), and try the upgrade procedure"
 209         echo    "again."
 210         exit 1
 211 fi
 212         echo    "Done."
 213
 214 echo    ""
 215 echo    "Re-mounting root partition read-write..."
 216 mount -u -o rw /dev/${drivename}a /mnt
 217 if [ $? != 0 ]; then
 218         echo    "FATAL ERROR: RE-MOUNT FAILED."
 219         echo    "It in unclear why this error would occur.  It looks"
 220         echo    "like you may end up having to upgrade by hand."
 221         exit 1
 222 fi
 223 echo    "Done."
 224
 225 echo    ""
 226 echo    "Updating boot blocks on ${drivename}..."
 227 # shouldn't be needed, but...
 228 $DONTDOIT rm -f /mnt/boot
 229 $DONTDOIT cp /usr/mdec/boot /mnt/boot
 230 $DONTDOIT /usr/sbin/installboot /dev/r${drivename}c /usr/mdec/bootxx_ffs
 231 if [ $? != 0 ]; then
 232         echo    "FATAL ERROR: UPDATE OF DISK LABEL FAILED."
 233         echo    "It in unclear why this error would occur.  It looks"
 234         echo    "like you may end up having to upgrade by hand."
 235         exit 1
 236 fi
 237 echo    "Done."
 238
 239 echo    ""
 240 echo    "Copying bootstrapping binaries and config files to the hard drive..."
 241 $DONTDOIT cp /mnt/.profile /mnt/.profile.bak
 242 $DONTDOIT pax -s '#^\./etc/.*##' -Xrwpe . /mnt
 243 $DONTDOIT mv /mnt/etc/rc /mnt/etc/rc.bak
 244 $DONTDOIT cp /tmp/.hdprofile /mnt/.profile
 245
 246 echo    ""
 247 echo    "Mounting remaining partitions..."
 248 chroot /mnt mount -at ffs > /dev/null 2>&1
 249 echo    "Done."
 250
 251 echo    ""
 252 echo    ""
 253 echo    "OK!  The preliminary work of setting up your disk is now complete,"
 254 echo    "and you can now upgrade the actual NetBSD software."
 255 echo    ""
 256 echo    "Right now, your hard disk is mounted on /mnt.  You should consult"
 257 echo    "the installation notes to determine how to load and install the new"
 258 echo    "NetBSD distribution sets, and how to clean up after the upgrade"
 259 echo    "software, when you are done."
 260 echo    ""
 261 echo    "GOOD LUCK!"
 262 echo    ""