#!/bin/sh
# $OpenBSD: INSTALL,v 1.4 2004/03/11 20:54:14 lebel Exp $
#
# Pre/post-installation setup of redhat_base

# exit on errors, use a sane path and install prefix
#
set -e
PATH=/bin:/usr/bin:/sbin:/usr/sbin
PREFIX=${PREFIX:-/usr/local}/emul/redhat

# Function: tell the user what s/he needs to do to use the port just installed
#
do_notice_top()
{
    echo
    echo "+---------------"
    echo "|"
}

do_notice_link()
{
    echo "| /emul/linux already exists but it's not a symlink to $PREFIX."
    echo "|"
    echo "| To make this port active you must make /emul/linux a symlink to"
    echo "| $PREFIX."
    echo "|"
}

do_notice_sysctl()
{
    echo "| *** Warning: Linux compatibility not enabled."
    echo "|"
    echo "| Before this port will work you must:"
    echo "|"
    echo "|   1. Enable Linux compatibility:"
    echo "|"
    echo "|      Documentation on how to enable Linux compatibility can be"
    echo "|      found in the compat_linux(8) man page."
    echo "|"
    echo "|   2. Update the Linux ld.so.cache file:"
    echo "|"
    echo "|       Once Linux compatibility has been enabled, run"
    echo "|       /emul/linux/sbin/ldconfig as root."
    echo "|"
}

do_notice_bottom()
{
    echo "| Installation of $1 complete. See compat_linux(8)"
    echo "| for more information."
    echo "|"
    echo "+---------------"
    echo
}

# verify proper execution
#
if [ $# -ne 2 ]; then
    echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
    exit 1
fi

# Verify/process the command
#
case $2 in
    PRE-INSTALL)
	install -d -o root -g bin -m 755 /emul
	install -d -o root -g bin -m 755 $PREFIX
	;;
    POST-INSTALL)
	do_notice_top

	if [ -e /emul/linux ]; then
	    if [ x`readlink /emul/linux` != x"$PREFIX" ]; then
	    	do_notice_link
	    fi
	else
	    ln -sf $PREFIX /emul/linux
	fi

	# Only run ldconfig if kern.emul.linux = 1.
	if [ x`sysctl -n kern.emul.linux` = x1 ]; then
		${PREFIX}/sbin/ldconfig
	else
		do_notice_sysctl
	fi

	do_notice_bottom $1
	;;
    *)
	echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
	exit 1
	;;
esac

exit 0
