#!/bin/bash
#
# Copyright (c) 1998, 1999, 2000, 2002  by Marcus Brinkmann.
# Copyright (c) 2003, 2004, 2005 by Robert Millan.
# Licensed under the GNU GPLv2 or later.
#
# Parts of this script was taken from the SETUP script in Hurd CVS. 


export \
PATH="/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games"

# Make sure the filesystem is writeable
echo Checking if your filesystem is really writeable..
case $OSTYPE in
  "")		echo failed to identify system ; exit 1 ;;
  gnu)		if which fsysopts >/dev/null ; then fsysopts / --writable ; fi ;;
  linux-gnu)	if which mount >/dev/null ; then mount -o rw,remount / ; fi ;;
  *)		if which mount >/dev/null ; then mount -o rw / ; fi ;;
esac

set -e

# This must come before evaluating `uname -s` because, on GNU,
# without the pflocal server set as a translator on
# /servers/socket/1, pipes cannot be created.
if ! test -e /servers/socket/1 && which settrans >/dev/null ; then
  settrans -c /servers/socket/1 /hurd/pflocal
fi

system=`uname -s`

parent_term="$TERM"

case "${system}" in
  GNU)
	if [ "$TERM" = "dumb" ] ; then
	  export TERM=mach
	fi
	if showtrans --silent /proc ; then
		echo Existing system found, exitting.
		exit 1
	fi

	if ! showtrans --silent /dev/console ; then

		# Set up standard passive translators
		echo
		echo Setting up the translators. If you get Operation not supported errors,
		echo you have forgotten to use '-o hurd' when creating the ext2 filesystem.

		settrans -k /servers/socket/1 /hurd/pflocal
		settrans -c /servers/socket/2 /hurd/pfinet -6 /servers/socket/26
		settrans -c /servers/socket/26 /hurd/pfinet -4 /servers/socket/2
		settrans -k /servers/exec /hurd/exec
		settrans -c /servers/crash-suspend /hurd/crash --suspend
		settrans -c /servers/crash-kill /hurd/crash --kill
		settrans -c /servers/password /hurd/password
	        settrans -c /servers/default-pager /hurd/proxy-defpager
		#chmod +x /servers/default-pager

		# Not functional yet:
		settrans -c /servers/crash-dump-core /hurd/crash --dump-core
		if [ ! -e /servers/crash ] ; then
			ln -s crash-kill /servers/crash
		fi
		if [ ! -e /servers/socket/local ] ; then
			ln -s 1 /servers/socket/local
		fi
		if [ ! -e /servers/socket/inet ] ; then
			ln -s 2 /servers/socket/inet
		fi

		# We need /dev/fd to call scripts.
		cd /dev
		bash ./MAKEDEV -v fd

		# Setup crucial devices.
		echo
		echo The next job is to setup device files.
		cd /dev
		bash ./MAKEDEV -v std ptyp ptyq com0
		bash ./MAKEDEV vcs tty1 tty2 tty3 tty4 tty5 tty6

		# Not crucial, but will not hurt either.
		bash ./MAKEDEV hd0
	fi

	# Make sure that the runsystem stuff will work
	if [ -e /usr/libexec/runsystem.gnu -a -e /usr/libexec/runsystem ] ; then
	  echo Removing /usr/libexec/runsystem again, so the Hurd package can
	  echo take care about it.
	  rm /usr/libexec/runsystem
	fi
  ;;
  Linux)
	mount -t proc proc /proc
	test -e /etc/mtab || ln -s /proc/mounts /etc/mtab
	cd /dev && MAKEDEV std generic
  ;;
  *FreeBSD)
	if test -e /dev/null && test ! -c /dev/null ; then
	  echo "/dev/null exists but is not a character device, removing it"
	  rm -f /dev/null
	fi
	case `uname -r` in
	  4.*)	echo Copy device files into /dev before running $0
		exit ;;
	  *)	mount -t devfs null /dev ;;
	esac
	if [ "$TERM" = "dumb" ] ; then
	  export TERM=cons25
	fi
  ;;
esac

# Debian set up.
echo
echo Configuring Debian packages.

# Avoid username resolving errors
cp /usr/share/base-passwd/passwd.master /etc/passwd
cp /usr/share/base-passwd/group.master /etc/group

# Make sure /etc/shadow is available
/usr/sbin/shadowconfig on

debs=`for i in /var/cache/apt/archives/*.deb ; do
case $i in
  /var/cache/apt/archives/dpkg_*.deb) ;;
  *) echo $i ;;
esac ; done`
ssd=`which start-stop-daemon || echo /usr/sbin/start-stop-daemon`

# install dpkg and libc
dpkg --force-depends -i /var/cache/apt/archives/gawk_*.deb
dpkg --force-depends -i /var/cache/apt/archives/base-{files,passwd}_*.deb
dpkg --force-depends -i /var/cache/apt/archives/dpkg_*.deb
if ! test -e ${ssd}.real ; then mv ${ssd}{,.real} ; fi
cp /bin/true $ssd
dpkg --force-depends -i /var/cache/apt/archives/libc[0-9]*.deb
dpkg --force-depends -i /var/cache/apt/archives/perl-base_*.deb
dpkg --force-depends -i /var/cache/apt/archives/debconf_*.deb

# reinstall hurd package, if applicable
if [ -e /var/cache/apt/archives/hurd_*.deb ] ; then
	dpkg --force-depends -i /var/cache/apt/archives/adduser_*.deb
	dpkg --force-depends -i /var/cache/apt/archives/hurd_*.deb
fi

# unpack required packages
for i in /var/cache/apt/archives/*.deb ; do
	dpkg-deb --field $i Priority | grep ^required > /dev/null \
	&& dpkg --force-depends --skip-same-version --unpack $i
done
# also unpack the important packages (possibly dependencies of required packages)
for i in /var/cache/apt/archives/*.deb ; do
	dpkg-deb --field $i Priority | grep ^important > /dev/null \
	&& dpkg --force-depends --skip-same-version --unpack $i
done
dpkg --force-depends --skip-same-version --unpack /var/cache/apt/archives/insserv_*.deb
dpkg --configure --pending --force-configure-any --force-depends
if ! test -e ${ssd}.real ; then mv ${ssd}{,.real} ; fi
cp /bin/true $ssd

# install base packages
for i in /var/cache/apt/archives/*.deb ; do
	dpkg --force-overwrite --force-confold \
	--skip-same-version --unpack $i
done
dpkg  --force-confold --skip-same-version  --configure -a
mv $ssd{.real,}

# post-install configuration

# some boot tarballs have a hacked inittab, let's restore it.
if [ -e /usr/share/sysvinit/inittab ] ; then
        cp /usr/share/sysvinit/inittab /etc/inittab
fi

case "${system}" in
  GNU)
	echo I just make sure that /usr/libexec/runsystem is properly updated.
	if [ ! -e /usr/libexec/runsystem -a -e /usr/libexec/runsystem.gnu ] ; then
	  echo WHOA! We\'re in deep trouble. The Hurd package did not update
	  echo the link in /usr/libexec/runsystem. For now, I am making a link
	  echo manually, but please report this.
	  ln -s runsystem.gnu /usr/libexec/runsystem
	fi

	# fstab stuff
	fstype=`fsysopts / | perl -ne 'm!^\s*(?:[^\s]*/)?([^\s]+?)(?:\.static)?\s+.*?\s+([^\s]+)\s*$!; print $1;'`
	rootpart=`fsysopts / | perl -ne 'm!^\s*(?:[^\s]*/)?([^\s]+?)(?:\.static)?\s+.*?\s+([^\s]+)\s*$!; print $2;' | sed -e 's/.*part:\(.*\):device:\(.*\)/\2s\1/' | sed -e "s/^device\://"`
	if [ ! -e /dev/${rootpart} ] ; then
		cd /dev
		bash ./MAKEDEV ${rootpart} || true
	fi

	if [ x${fstype} = xext2fs ] ; then
		fstype=ext2
	fi
        fstype_dummy="ext2"
        rootpart_dummy="hd0s2"
	swappart_dummy="hd0s1"

	#proc=`ps ax | grep hurd/term | grep dev/console | sed -e 's/[a-z ]*\([0-9]*\) .*/\1/'`
	#if [ ! -z $proc ] ; then
	#	echo
	#	echo Found dangling console server, which will suck up
	#	echo every second character you type. That is a bug, and
	#	echo I will kill this process for you.
	#	kill $proc
	#fi
	procfs="none"
  ;;
  *FreeBSD)
	cat > /etc/network/interfaces << __EOF__
# Sample /etc/network/interfaces file for GNU/kFreeBSD

auto lo0
iface lo0 inet loopback

# DHCP network (replace ed0 with your interface, if different)
#auto ed0
#iface ed0 inet dhcp

# Static network (replace ed0 with your interface, if different)
#auto ed0
#iface ed0 inet static
#	address 192.168.0.3
#	network 192.168.0.0
#	netmask 255.255.255.0
#	gateway 192.168.0.1
__EOF__

	# fstab stuff
	fstype="`mount | grep ' on / ' | cut -d '(' -f 2 | cut -d ',' -f 1`"
	rootpart="`mount | grep ' on / ' | cut -d / -f 3 | cut -d ' ' -f 1`"
        fstype_dummy="ufs"
        rootpart_dummy="ad0s1a"
	swappart_dummy="ad0s1b"

	# hack for installs from livecd
	case "$fstype:$rootpart" in
	  cd9660:*|*:/dev/acd*)
	    fstype="$fstype_dummy"
	    rootpart="$rootpart_dummy"
	  ;;
	esac
	procfs="linprocfs"
  ;;
  Linux)
	umount /proc

	# fstab stuff
	fstype="`mount | grep ' on / ' | cut -d ' ' -f 5`"
	rootpart="`mount | grep ' on / ' | cut -d / -f 3 | cut -d ' ' -f 1`"
        fstype_dummy="ext2"
        swappart_dummy="hda2"
        rootpart_dummy="hda1"
	procfs="proc"
  ;;
esac

fstab_dummy="\
#/dev/${rootpart_dummy}	/		${fstype_dummy}	rw			1	1
#/dev/${swappart_dummy}	none		swap	sw			0	0
"
fstab_good="\
/dev/${rootpart}	/		${fstype}	rw			1	1
#/dev/${swappart_dummy}	none		swap	sw			0	0
"

cat > /etc/fstab << __EOF__
# /etc/fstab: static file system information
#
# <file system>	<mount point>	<type>	<options>		<dump>	<pass>
__EOF__

echo
echo "********************************************************************************"
echo " Native-install done."
echo "********************************************************************************"
echo

if [ ! -e /dev/${rootpart} ] ; then
	echo Couldn\'t determine root partition, sorry.
	echo You have to edit /etc/fstab to match your system.
	echo However, for your convenience, I will install a dummy entry.
	echo "$fstab_dummy" >> /etc/fstab
else
	echo Your root partition is /dev/${rootpart}.
	echo Your file system type is ${fstype}.
	echo If this information is not correct, you need to edit /etc/fstab.
	echo "$fstab_good" >> /etc/fstab
fi

if [ "${procfs}" != "none" ] ; then
  echo "null	/proc	${procfs}	rw	0 0" >> /etc/fstab
fi

echo
echo "If you have a swap partition, please add it to /etc/fstab."
echo
echo "Available editors are:"
which nano vi zile emacs || true
echo

echo 'You should now set a root password with the passwd command.'
echo

case "${system}:$parent_term" in
  GNU:*)
    echo 'Then you can reboot with reboot-hurd, and enter multi-user mode.'
    echo 'Note that you will have to activate the Hurd console manually'
    echo 'currently.'
    echo 'To do this, run'
    echo '  console -d vga -d pc_kbd --repeat=kbd -d pc_mouse --repeat=mouse \'
    echo '          -d generic_speaker -c /dev/vcs'
    echo 'as root after you have logged in.'
    ;;
  *FreeBSD:dumb)
    echo "Looks like you are using a dumb terminal.  In order to get a fully"
    echo "functional one, you need to run \"export TERM=cons25\"."
    ;;
esac

sync