#       $NetBSD: install.md,v 1.35 2022/05/28 21:57:39 andvar Exp $
#
#
# Copyright (c) 1996,2006 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Jason R. Thorpe.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

#
# machine dependent section of installation/upgrade script.
#

# Machine-dependent install sets
MDSETS="kern-GENERIC xbase xcomp xetc xfont xserver"

md_set_term() {
       if [ ! -z "$TERM" ]; then
               return
       fi
       echo -n "Specify terminal type [vt220]: "
       getresp "vt220"
       TERM="$resp"
       export TERM
}

md_makerootwritable() {
       # Mount root rw for convenience of the tester ;-)
       if ! cp /dev/null /tmp/.root_writable >/dev/null 2>&1; then
               mi_mount_kernfs
               mount -t ffs -u /kern/rootdev / > /dev/null 2>&1
       fi
}

md_get_diskdevs() {
       # return available disk devices
       mi_mount_kernfs
       mi_filter_msgbuf | sed  -ne '/^[sw]d[0-9] /s/ .*//p'
}

md_get_cddevs() {
       # return available CDROM devices
       mi_mount_kernfs
       mi_filter_msgbuf | sed -ne '/^cd[0-9] /s/ .*//p'
}

md_get_partition_range() {
       # return an expression describing the valid partition id's
       echo '[a-p]'
}

md_installboot() {
       if [ -x /mnt/usr/sbin/installboot ]; then
               echo -n "Should a boot block be installed? [y] "
               getresp "y"
               case "$resp" in
                       y*|Y*)
                               echo -n "Boot command? [netbsd -ASn2] "
                               getresp "netbsd -ASn2"
                               echo "Installing boot block..."
                               chroot /mnt /usr/sbin/installboot -o command="$resp" /dev/r${1}a /usr/mdec/bootxx_ffsv1
                               cp -p /mnt/usr/mdec/boot.amiga /mnt/
                               ;;
                       *)
                               echo "No bootblock installed."
                               ;;
               esac
       elif [ "$MODE" = "install" ]; then
               cat << \__md_installboot_1
There is no installboot program found on the installed filesystems. No boot
programs are installed.
__md_installboot_1
       else
               cat << \__md_installboot_2
There is no installboot program found on the upgraded filesystems. No boot
programs are installed.
__md_installboot_2
       fi
}

md_native_fstype() {
       echo "ados"
}

md_native_fsopts() {
       echo "ro"
}

md_prep_disklabel() {
}

md_view_labels_possible=1
md_view_labels() {
       _DKDEVS=$(md_get_diskdevs)
       echo "If you like, you can now examine the labels of your disks."
       echo ""
       echo -n "Available are "${_DKDEVS}". Look at which? [skip this step] "
       getresp "done"
       while [ "${resp:-done}" != "done" ]; do
               echo ""
               disklabel ${resp}
               echo ""
               echo -n "Available are "${_DKDEVS}". Look at which? [done] "
               getresp "done"
       done
       cat << \__prep_disklabel_1

As a reminder: the 'c' partition is assigned to the whole disk and can't
normally be used for a any file system!

__prep_disklabel_1
}

md_labeldisk() {
}

md_welcome_banner() {
       if [ "$MODE" = "install" ]; then
               echo ""
               echo "Welcome to the NetBSD/${MACHINE} ${RELEASE} installation program."
               cat << \__welcome_banner_1

This program is designed to help you put NetBSD on your disk,
in a simple and rational way.  You'll be asked several questions,
and it would probably be useful to have your disk's hardware
manual, the installation notes, and a calculator handy.
__welcome_banner_1

       else
               echo ""
               echo "Welcome to the NetBSD/${MACHINE} ${RELEASE} upgrade program."
               cat << \__welcome_banner_2

This program is designed to help you upgrade your NetBSD system in a
simple and rational way.

As a reminder, installing the 'etc' binary set is NOT recommended.
Once the rest of your system has been upgraded, you should manually
merge any changes to files in the 'etc' set into those files which
already exist on your system.
__welcome_banner_2
       fi

cat << \__welcome_banner_3

As with anything which modifies your disk's contents, this
program can cause SIGNIFICANT data loss, and you are advised
to make sure your data is backed up before beginning the
installation process.

Default answers are displayed in brackets after the questions.
You can hit Control-C at any time to quit, but if you do so at a
prompt, you may have to hit return.  Also, quitting in the middle of
installation may leave your system in an inconsistent state.

__welcome_banner_3
}

md_not_going_to_install() {
       cat << \__not_going_to_install_1

OK, then.  Enter 'halt' at the prompt to halt the machine.  Once the
machine has halted, power-cycle the system to load new boot code.

Note: If you wish to have another try. Just type '^D' at the prompt. After
     a moment, the installer will restart itself.

__not_going_to_install_1
}

md_congrats() {
       local what;
       if [ "$MODE" = "install" ]; then
               what="installed";
       else
               what="upgraded";
       fi
       cat << __congratulations_1

CONGRATULATIONS!  You have successfully $what NetBSD!
To boot the installed system, enter halt at the command prompt. Once the
system has halted, reset the machine and boot from the disk.

Note: If you wish to have another try. Just type '^D' at the prompt. After
     a moment, the installer will restart itself.

__congratulations_1
}

md_copy_kernel() {
       # This is largely a copy of install_disk and install_from_mounted_fs()
       # with some special frobbing.

       local _directory
       local _sets
       local _filename
       local _f

       if [ "$MODE" = "install" ]; then
               echo -n "Adding keymap initialization to rc.local..."
               echo /usr/sbin/loadkmap ${__keymap__} >> /mnt/etc/rc.local
               echo "done."
       fi

       if [ -e /netbsd ]; then
               if [ -e /mnt/netbsd ]; then
                       echo "On the installation filesystem there is this kernel: "
                       ls -l /netbsd
                       echo "The already installed kernel is: "
                       ls -l /mnt/netbsd
                       echo    "Do you want to replace the already installed kernel by the kernel"
                       echo -n "on the installation filesystem? (y/n) [n] "
                       resp="n"
                       getresp ""
                       if [ "${resp}" != "y" ] && [ "${resp}" != "Y" ]; then
                               return
                       fi
               fi

               echo -n "Copying kernel..."
               cp -p /netbsd /mnt/netbsd
               echo "done."
               return
       fi

cat << \__md_copy_kernel_1
Your installation set did not include a netbsd kernel on the installation
filesystem. You are now given the opportunity install it from either the
kernel-floppy from the distribution or another location on one of your disks.

The following disk devices are installed on your system; please select
the disk device containing the partition with the netbsd kernel:
__md_copy_kernel_1

       _DKDEVS=$(md_get_diskdevs)
       echo    "$_DKDEVS"
       echo    "fd0"
       echo    ""
       _DKDEVS="$_DKDEVS fd0"          # Might be on the kernel floppy!
       echo -n "Which is the disk with the kernel? [abort] "

       if mount_a_disk ; then
               return  # couldn't mount the disk
       fi

       # Get the directory where the file lives
       resp=""         # force one iteration
       while [ -z "${resp}" ]; do
               echo "Enter the directory relative to the mount point that"
               echo -n "contains the file. [${_directory}] "
               getresp "${_directory}"
       done
       _directory=$resp

       _sets=$(cd /mnt2/$_directory; ls netbsd* 2> /dev/null)
       if [ -z "$_sets" ]; then
               echo "There are no NetBSD kernels available in \"$1\""
               umount -f /mnt2 > /dev/null 2>&1
               return
       fi
       while : ; do
               echo "The following kernels are available:"
               echo ""

               for _f in $_sets ; do
                       echo "    $_f"
               done
               echo ""
               set -- $_sets
               echo -n "File name [$1]? "
               getresp "$1"
               _f=$resp
               _filename="/mnt2/$_directory/$_f"

               # Ensure file exists
               if [ ! -f $_filename ]; then
                       echo "File $_filename does not exist.  Check to make"
                       echo "sure you entered the information properly."
                       echo -n "Do you want to retry [y]? "
                       getresp "y"
                       if [ "$resp" = "n" ]; then
                               break
                       fi
                       continue
               fi

               # Copy the kernel
               cp $_filename /mnt
               break
       done
       umount -f /mnt2 > /dev/null 2>&1
}

md_lib_is_aout() {
       local r
       test -h $1 && return 1
       test -f $1 || return 1

       [ "$(dd if=$1 bs=1 skip=1 count=3 2> /dev/null)" = "ELF" ] && return 1
       return 0
}


md_mv_usr_lib() {
       local root
       root=$1
       for f in $root/usr/lib/lib*.so.[0-9]*.[0-9]* ; do
               md_lib_is_aout $f || continue
               mv -f $f $root/emul/aout/usr/lib || return 1
       done
       return 0
}

md_x_shlib_set_14=" \
       libICE.so.6.3 \
       libPEX5.so.6.0 \
       libSM.so.6.0 \
       libX11.so.6.1 \
       libXIE.so.6.0 \
       libXaw.so.6.1 \
       libXext.so.6.3 \
       libXi.so.6.0 \
       libXmu.so.6.0 \
       libXp.so.6.2 \
       libXt.so.6.0 \
       libXtst.so.6.1 \
       liboldX.so.6.0"

md_mv_x_lib() {
       local root xlibdir
       root=$1
       xlibdir=$2
       for f in $md_x_shlib_set_14; do
               md_lib_is_aout $root/$xlibdir/$f || continue
               mv -f $root/$xlibdir/$f $root/emul/aout/$xlibdir || return 1
       done
       return 0
}

md_mv_aout_libs()
{
       local root xlibdir

       root=/mnt       # XXX - should be global

       if [ -d $root/emul/aout/. ]; then
               echo "Using existing /emul/aout directory"
       else
               echo "Creating /emul/aout hierarchy"
               mkdir -p $root/usr/aout || return 1

               if [ ! -d $root/emul ]; then
                       mkdir $root/emul || return 1
               fi

               if [ -h $root/emul/aout ]; then
                       echo "Preserving existing symbolic link from /emul/aout"
                       mv -f $root/emul/aout $root/emul/aout.old || return 1
               fi

               ln -s ../usr/aout $root/emul/aout || return 1
       fi

       # Create /emul/aout/etc and /emul/aout/usr/lib
       if [ ! -d $root/emul/aout/etc ]; then
               mkdir $root/emul/aout/etc || return 1
       fi
       if [ ! -d $root/emul/aout/usr/lib ]; then
               mkdir -p $root/emul/aout/usr/lib || return 1
       fi

       # Move ld.so.conf
       if [ -f $root/etc/ld.so.conf ]; then
               mv -f $root/etc/ld.so.conf $root/emul/aout/etc || return 1
       fi

       # Finally, move the aout shared libraries from /usr/lib
       md_mv_usr_lib $root || return 1

       # If X11 is installed, move the those libraries as well
       xlibdir="/usr/X11R7/lib"
       if [ -d $root/$xlibdir/. ]; then
               mkdir -p $root/emul/aout/$xlibdir || return 1
               md_mv_x_lib $root $xlibdir || return 1
       fi

       echo "a.out emulation environment setup completed."
}

md_prepare_upgrade()
{
cat << 'EOF'
This release uses the ELF binary object format. Existing (a.out) binaries
can still be used on your system after it has been upgraded, provided
that the shared libraries needed by those binaries are made available
in the filesystem hierarchy rooted at /emul/aout.

This upgrade procedure will now establish this hierarchy by moving all
shared libraries in a.out format found in /usr/lib to /emul/aout/usr/lib.
It will also move the X11 shared libraries in a.out format from previous
NetBSD/amiga X11 installation sets, if they are installed.

EOF
       md_mv_aout_libs || {
               echo "Failed to setup a.out emulation environment"
               return 1
       }
       return 0
}

# Flag to notify upgrade.sh of the existence of md_prepare_upgrade()
md_upgrade_prep_needed=1

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