# $NetBSD: INSTALL,v 1.7 2007/08/23 21:50:23 jlam Exp $

# Generate a +ROOT_ACTIONS script that runs certain actions that require
# superuser privileges.
#
case "${STAGE},$1" in
UNPACK,|UNPACK,+ROOT_ACTIONS)
	${CAT} > ./+ROOT_ACTIONS << 'EOF'
#!@SH@
#
# +ROOT_ACTIONS - run actions requiring superuser privileges
#
# Usage: ./+ROOT_ACTIONS ADD|REMOVE [metadatadir]
#
# This script runs certain actions that require superuser privileges.
# If such privileges are not available, then simply output a message
# asking the user to run this script with the appropriate elevated
# privileges.
#

CAT="@CAT@"
CHMOD="@CHMOD@"
CP="@CP@"
DIRNAME="@DIRNAME@"
ECHO="@ECHO@"
ID="@ID@"
LN="@LN@"
MKDIR="@MKDIR@"
PWD_CMD="@PWD_CMD@"
RM="@RM@"
SH="@SH@"
TEST="@TEST@"

SELF=$0
ACTION=$1

CURDIR=`${PWD_CMD}`
PKG_METADATA_DIR="${2-${CURDIR}}"
: ${PKGNAME=${PKG_METADATA_DIR##*/}}
: ${PKG_PREFIX=@PREFIX@}

EMULDIR="${PKG_PREFIX}/@EMULSUBDIR@"
OPSYS_EMULDIR="@OPSYS_EMULDIR@"

ROOT_ACTIONS_COOKIE="./+ROOT_ACTIONS_done"
EUID=`${ID} -u`

exitcode=0
case $ACTION,$EUID in
ADD,0)
	${ECHO} "" > ${ROOT_ACTIONS_COOKIE}
	${CHMOD} g+w ${ROOT_ACTIONS_COOKIE}
	# Create an appropriate Linux-like /dev directory.
	${ECHO} "${PKGNAME}: populating ${EMULDIR}/dev"
	${MKDIR} ${EMULDIR}/dev
	${TEST} ! -f /dev/MAKEDEV ||
		${CP} /dev/MAKEDEV ${EMULDIR}/dev
	${TEST} ! -f /dev/MAKEDEV.subr ||
		${CP} /dev/MAKEDEV.subr ${EMULDIR}/dev
	${TEST} ! -f ${EMULDIR}/dev/MAKEDEV ||
		( cd ${EMULDIR}/dev &&
		  ${SH} ./MAKEDEV std audio &&
		  ${LN} -fs sound dsp )

	# Create the appropriate symlink so that the kernel will
	# find the installed files.
	#
	OPSYS_EMULDIR_PWD=`cd ${OPSYS_EMULDIR} 2>/dev/null && ${PWD_CMD}`
	EMULDIR_PWD=`cd ${EMULDIR} 2>/dev/null && ${PWD_CMD}`

	if ${TEST} "${OPSYS_EMULDIR_PWD}" != "${EMULDIR_PWD}"; then
		if ${TEST} -e ${OPSYS_EMULDIR} -o -L ${OPSYS_EMULDIR}; then
			${CAT} << EOM
==============================================================================
The following symbolic link must be created for ${PKGNAME}
to work properly:

	${EMULDIR} -> ${OPSYS_EMULDIR}

==============================================================================
EOM
		else
			${ECHO} "${PKGNAME}: creating symlink ${EMULDIR} -> ${OPSYS_EMULDIR}"
			( ${MKDIR} -p `${DIRNAME} ${OPSYS_EMULDIR}` && 
			  ${LN} -fs ${EMULDIR} ${OPSYS_EMULDIR} ) || ${TRUE}
		fi
	fi
	;;

REMOVE,0)
	${ECHO} "${PKGNAME}: removing ${EMULDIR}/dev"
	${RM} -fr ${EMULDIR}/dev
	${RM} -f ${ROOT_ACTIONS_COOKIE}
	;;

ADD,*)
	if ${TEST} ! -f ${ROOT_ACTIONS_COOKIE}; then
		${CAT} << EOM
==============================================================================
Please run the following command with superuser privileges to complete
the installation of ${PKGNAME}:

    cd ${PKG_METADATA_DIR} && ${SELF} ADD

==============================================================================
EOM
	fi
	;;

REMOVE,*)
	if ${TEST} -f ${ROOT_ACTIONS_COOKIE}; then
		${CAT} << EOM
==============================================================================
Please run the following command with superuser privileges to begin the
removal of ${PKGNAME}:

    cd ${PKG_METADATA_DIR} && ${SELF} REMOVE

Then, please run pkg_delete(1) again to complete the removal of this
package.

==============================================================================
EOM
		exitcode=1
	fi
	;;
esac
exit $exitcode

EOF
	${CHMOD} +x ./+ROOT_ACTIONS
	;;
esac

EMULDIR="${PKG_PREFIX}/@EMULSUBDIR@"
OPSYS_EMULDIR="@OPSYS_EMULDIR@"

case "${STAGE}" in
POST-INSTALL)
	# Create a /proc mount point.
	${MKDIR} -p ${EMULDIR}/proc

	# Make /etc/mtab usable for Linux programs.
	${RM} -f ${EMULDIR}/etc/mtab
	${LN} -fs ${EMULDIR}/proc/mounts ${EMULDIR}/etc/mtab

	# Run any actions that require root privileges.
	${TEST} ! -x ./+ROOT_ACTIONS ||
		./+ROOT_ACTIONS ADD ${PKG_METADATA_DIR}
	;;
esac