#! /bin/sh

# $NetBSD: bootstrap,v 1.9 2004/03/28 01:55:17 grant Exp $
#
#
# Copyright (c) 2001-2002 Alistair G. Crooks.  All rights reserved.
#
# 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.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by Alistair G. Crooks
#	for the NetBSD project.
# 4. The name of the author may not be used to endorse or promote
#    products derived from this software without specific prior written
#    permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
#
#set -x

BOOTSTRAP_VERSION=20040214

# set defaults for system locations
prefix=/usr/pkg
pkgdbdir=/var/db/pkg
pkgsrcdir=/usr/pkgsrc

ignorecasecheck=no
ignoreusercheck=no

# where the building takes place
wrkdir=work # default: relative to pkgsrc/bootstrap
bootstrapdir=`pwd`

usage="Usage: $0 "'
    [ --workdir=<workdir> ]
    [ --prefix=<prefix> ]
    [ --pkgdbdir=<pkgdbdir> ]
    [ --pkgsrcdir=<pkgsrcdir> ]
    [ --ignore-case-check ]
    [ --ignore-user-check ]
    [ --help ]'

# this replicates some of the logic in bsd.prefs.mk. until
# bootstrap-pkgsrc is merged into pkgsrc, we need to determine the
# right value for OPSYS and MACHINE_ARCH.

# strip / for BSD/OS
opsys=`uname -s | tr -d /`

die()
{
	echo >&2 "$@"
	exit 1
}

echo_msg()
{
	echo "===> $@"
}

get_abi()
{
	abi_opsys=$@
	case "$abi_opsys" in
	IRIX)
		abi=`sed -e 's/.*\(abi=\)\([on]*[36][24]\).*/\2/' /etc/compiler.defaults`
		isa=`sed -e 's/.*\(isa=mips\)\([1234]\).*/\2/' /etc/compiler.defaults`
		case "$abi" in
		o32)
			imakeopts="-DBuildO32 -DSgiISAo32=$isa"
			abi=""
			;;
		n32)	imakeopts="-DBuildN32 -DSgiISA32=$isa"
			abi="32"
			;;
		64 | n64)
			imakeopts="-DBuild64bit -DSgiISA64=$isa"
			abi="64"
			;;
		esac


		;;
	esac
}

check_prog()
{
	_var="$1"; _name="$2"

	eval _tmp=\"\$$_var\"
	if [ "x$_tmp" != "x" ]; then
		# Variable is already set (by the user, for example)
		return 0
	fi

	for _d in `echo $PATH | tr ':' ' '`; do
		if [ -x "$_d/$_name" ]; then
			# Program found
			eval $_var=\""$_d/$_name"\"
			return 1
		fi
	done

	die "$_name not found in path."
}

opsys_finish()
{
	case "$opsys" in
	IRIX)
		# setting X11BASE to /usr breaks buildlink
		if [ ! -e /usr/X11R6 ]; then
			ln -sf /usr /usr/X11R6
		fi
		if [ ! -z $imakeopts ]; then
			echo "IMAKEOPTS+=$imakeopts" >> ${MKCONF_EXAMPLE}
		fi
		patch -d / --forward --quiet -E -p0 \
			< files/irix.patch 2>/dev/null || true
		;;
	esac
}

is_root()
{
	if [ `$idprog -u` != 0 ]; then
		return 0
	fi
	return 1
}

# run a command, abort if it fails
run_cmd()
{
	echo_msg "running: $@"
	eval "$@"
	ret=$?
        if [ $ret -ne 0 ]; then
		echo_msg "exited with status $ret"
		die "aborted."
	fi
}

# Some versions of mkdir (notably SunOS) bail out too easily, so use the
# install-sh wrapper instead.
mkdir_p()
{
	for dir in $@; do
		run_cmd "($shprog ./files/install-sh -d -o $user -g $group -m 755 $dir)"
	done
}

copy_src()
{
	_src="$1"; _dst="$2"
	if [ ! -d $wrkdir/$_dst ]; then
		mkdir_p $wrkdir/$_dst
	fi
	$cpprog -Rp $_src/* $wrkdir/$_dst
}

build_start=`date`
echo_msg "bootstrap command: $0 $@"
echo_msg "bootstrap started: $build_start"

overpath=""
root_user=root
case "$opsys" in
Darwin)
	root_group=wheel
	need_pax=yes
	need_mtree=no
	need_bsd_install=no
	need_sed=no
	set_opsys=no
	check_prog mtreeprog mtree
	machine_arch=`uname -p`
	;;
FreeBSD)
	root_group=wheel
	need_pax=yes
	need_mtree=yes
	need_bsd_install=no
	need_sed=no
	set_opsys=no
	machine_arch=`uname -p`
	;;
HP-UX)
	root_group=root
	need_pax=yes
	need_mtree=yes
	need_bsd_install=yes
	need_sed=yes
	set_opsys=no
	;;
IRIX*)
	if [ -d "/usr/freeware/bin" ]; then
		overpath="/usr/freeware/bin:$overpath"
	fi
	if [ -d "/usr/bsd/bin" ]; then
		overpath="/usr/bsd/bin:$overpath"
	fi
	root_group=sys
	need_mtree=yes
	need_bsd_install=yes
	need_pax=yes
	configargs="--with-machine_arch=mipseb"
	get_abi "IRIX"
	opsys=IRIX
	need_sed=yes
	set_opsys=yes
	;;
Linux)
	if [ -f /etc/debian_version ]; then
		DEBIAN=yes
	fi
	root_group=root
	need_pax=yes
	need_mtree=yes
	need_bsd_install=no
	need_sed=no
	set_opsys=no
	machine_arch=`uname -m | sed -e 's/i.86/i386/'`
	;;
NetBSD)
	root_group=wheel
	need_pax=no
	need_mtree=no
	need_bsd_install=no
	need_sed=no
	set_opsys=no
	check_prog paxprog pax
	check_prog tarprog tar
	check_prog mtreeprog mtree
	machine_arch=`uname -p`
	;;
OpenBSD)
	root_group=wheel
	need_pax=yes
	need_mtree=no
	need_bsd_install=no
	need_sed=no
	set_opsys=no
	check_prog mtreeprog mtree
	machine_arch=`uname -m`
	;;
SunOS)
	if [ -d "/usr/xpg4/bin" ]; then
		overpath="/usr/xpg4/bin:$overpath"
	fi
	root_group=root
	need_pax=yes
	need_mtree=yes
	need_bsd_install=no
	need_sed=yes
	set_opsys=no
	whoamiprog=/usr/ucb/whoami
	machine_arch=`uname -p | sed -e 's/i86pc/i386/'`
	;;
AIX)
	root_group=system
	need_pax=yes
	need_mtree=yes
	need_bsd_install=yes
	need_sed=yes
	need_fixed_strip=yes
	set_opsys=no
	;;
Interix)
	is_root () {
		if id -Gn | grep -q +Administrators; then
			return 1
		fi
		return 0
	}
	root_user=`id -un`
	root_group=+Administrators
	need_pax=yes
	need_mtree=yes
	need_bsd_install=yes
	need_sed=yes
	set_opsys=no
	groupsprog="id -Gn"
	CC="gcc -D_ALL_SOURCE"; export CC
	;;
*)
	echo "This platform ($opsys) is untried - good luck, and thanks for using pkgsrc"
	root_group=wheel
	need_pax=yes
	need_mtree=yes
	need_bsd_install=yes
	need_sed=yes
	set_opsys=no
	;;
esac

# export OPSYS and MACHINE_ARCH for pkg_install. we only set
# MACHINE_ARCH on platforms where we override bmake's value.
OPSYS=${opsys}
export OPSYS
if [ "${machine_arch}" != "" ]; then
	MACHINE_ARCH=${machine_arch}
	export MACHINE_ARCH
fi

if [ "x${PRESERVE_PATH}" != "xyes" ]; then
	PATH="$overpath:$PATH"
fi

check_prog awkprog awk
check_prog cpprog cp
check_prog idprog id
check_prog groupsprog groups
check_prog lsprog ls
check_prog rmdirprog rmdir
check_prog sedprog sed
check_prog shprog sh
check_prog whoamiprog whoami

while [ $# -gt 0 ]; do
	case $1 in
	--workdir=*)	wrkdir=`echo $1 | $sedprog -e 's|--workdir=||'` ;;
	--prefix=*)	prefix=`echo $1 | $sedprog -e 's|--prefix=||'` ;;
	--pkgdbdir=*)	pkgdbdir=`echo $1 | $sedprog -e 's|--pkgdbdir=||'` ;;
	--pkgsrcdir=*)	pkgsrcdir=`echo $1 | $sedprog -e 's|--pkgsrcdir=||'` ;;
	--ignore-case-check) ignorecasecheck=yes ;;
	--ignore-user-check) ignoreusercheck=yes ;;
	--help)		echo "$usage"; exit ;;
	-h)		echo "$usage"; exit ;;
	--*)		echo "$usage"; exit 1 ;;
	esac
	shift
done

if [ ! -d ${wrkdir} ]; then
	if mkdir ${wrkdir}; then
		:
	else
		echo "Could not create the working directory \"${wrkdir}\". Try $0 -h.";
		exit 1
	fi
fi
if touch ${wrkdir}/.writeable; then
	:
else
	echo "\"${wrkdir}\" is not writeable. Try $0 -h.";
	exit 1
fi
echo "Working directory is: ${wrkdir}"

is_root
if [ $? = 1 ]; then
	user=$root_user
	group=$root_group
else
	if [ $ignoreusercheck = "no" ]; then
		die "You must be root to install bootstrap-pkgsrc."
	fi

	user=`$whoamiprog`
	group=`$groupsprog | $awkprog '{print $1}'`
	echo_msg "building as unprivileged user $user/$group"

	# force bmake install target to use $user and $group
	echo "BINOWN=$user
BINGRP=$group
LIBOWN=$user
LIBGRP=$group
MANOWN=$user
MANGRP=$group" > ${wrkdir}/Makefile.inc
fi

# make sure we're using a case-sensitive file system on Darwin
if [ $ignorecasecheck = "no" ]; then
case "$opsys" in
Darwin|Interix)
	echo_msg "Testing file system case sensitivity"
	for fs in "$prefix" "$pkgsrcdir"; do
		testdir="pkgsrc-REQUIRES-case-SENSITIVE-filesystem"
		testdir_mangled="PKGSRC-requires-CASE-sensitive-FILESYSTEM"
		mkdir_p "$fs/$testdir" || die "can't verify filesystem ($fs) case-sensitivity"
		if [ -d "$fs/$testdir_mangled" ]; then
			$rmdirprog "$fs/$testdir"
			die "\"$fs\" needs to be on a case-sensitive filesystem (see README.$opsys)"
		fi
		$rmdirprog "$fs/$testdir"
	done
	;;
esac
fi

# export the proper environment
PATH=$prefix/bin:$prefix/sbin:${PATH}; export PATH
if [ -d /usr/ccs/bin -a -x /usr/ccs/bin/make ]; then
	PATH=/usr/ccs/bin:$PATH; export PATH
fi
PKG_DBDIR=$pkgdbdir; export PKG_DBDIR
LOCALBASE=$prefix; export LOCALBASE

# set up an example mk.conf file
MKCONF_EXAMPLE=${wrkdir}/mk.conf.example
export MKCONF_EXAMPLE
echo_msg "Creating mk.conf.example in ${wrkdir}"
echo "# Example /etc/mk.conf file produced by bootstrap-pkgsrc" > ${MKCONF_EXAMPLE}
echo "# `date`" >> ${MKCONF_EXAMPLE}
echo "" >> ${MKCONF_EXAMPLE}
echo ".ifdef BSD_PKG_MK	# begin pkgsrc settings" >> ${MKCONF_EXAMPLE}
echo "" >> ${MKCONF_EXAMPLE}

# IRIX64 needs to be set to IRIX, for example
if [ "$set_opsys" = "yes" ]; then
	echo "OPSYS=$opsys" >> ${MKCONF_EXAMPLE}
fi

if [ ! -z "$abi" ]; then
	echo "ABI=$abi" >> ${MKCONF_EXAMPLE}
fi

# save environment in example mk.conf
echo "PKG_DBDIR=$pkgdbdir" >> ${MKCONF_EXAMPLE}
echo "LOCALBASE=$prefix" >> ${MKCONF_EXAMPLE}

# create directories
mkdir_p $prefix $pkgdbdir $prefix/sbin
mkdir_p $prefix/man/man1 $prefix/man/cat1
mkdir_p $prefix/man/man8 $prefix/man/cat8

# bootstrap make and *.mk files
mkdir_p $prefix/share/mk $prefix/lib
copy_src bmake bmake

(cd ${wrkdir}/bmake/mk;
	if [ -f ${bootstrapdir}/mods/mk/$opsys.sys.mk ]; then
		run_cmd "$cpprog ${bootstrapdir}/mods/mk/$opsys.sys.mk $prefix/share/mk/sys.mk"
	else
		run_cmd "$cpprog ${bootstrapdir}/mods/mk/generic.sys.mk $prefix/share/mk/sys.mk"
	fi
	run_cmd "$cpprog bsd.*.mk $prefix/share/mk")

if [ -f mods/mk/$opsys.bsd.lib.mk ] ;  then
	run_cmd "$cpprog ${wrkdir}/bmake/mk/bsd.lib.mk ${wrkdir}/bmake/mk/bsd.lib.mk.orig"
	run_cmd "$cpprog mods/mk/$opsys.bsd.lib.mk ${wrkdir}/bmake/mk/bsd.lib.mk"
fi

run_cmd "$cpprog ${wrkdir}/bmake/mk/bsd.man.mk ${wrkdir}/bsd.man.mk.orig"
if [ -f mods/mk/$opsys.bsd.man.mk ] ;  then
	run_cmd "$cpprog mods/mk/$opsys.bsd.man.mk ${wrkdir}/bsd.man.mk"
	run_cmd "$cpprog mods/mk/$opsys.bsd.man.mk $prefix/share/mk/bsd.man.mk"
fi

if [ -f mods/mk/$opsys.bsd.own.mk ] ; then
	run_cmd "$cpprog mods/mk/$opsys.bsd.own.mk $prefix/share/mk/bsd.own.mk"
else
	run_cmd "$sedprog -e 's|@ROOT_GROUP@|'$root_group'|g;s|@ROOT_USER@|'$root_user'|g' mods/mk/bsd.own.mk.in > $prefix/share/mk/bsd.own.mk"
fi

if [ -f mods/mk/$opsys.bsd.prog.mk ] ; then
	run_cmd "$cpprog mods/mk/$opsys.bsd.prog.mk $prefix/share/mk/bsd.prog.mk"
fi

if [ -f mods/mk/$opsys.bsd.sys.mk ]; then
	run_cmd "$cpprog mods/mk/$opsys.bsd.sys.mk $prefix/share/mk/bsd.sys.mk"
fi	
	
case "$opsys" in
NetBSD)	run_cmd "$cpprog mods/bmake/Makefile.in ${wrkdir}/bmake/Makefile.in"
	;;
esac

if [ "$need_bsd_install" = "yes" ]; then
	echo_msg "Installing BSD compatible install script"
	run_cmd "(cd files; $shprog ./install-sh -c -o $user -g $group -m 755 install-sh $prefix/bin/install-sh)"
	BSTRAP_ENV="INSTALL='$prefix/bin/install-sh -c' $BSTRAP_ENV"
fi

if [ "$need_fixed_strip" = "yes" ] ; then
	echo_msg "Installing fixed strip script"
	run_cmd "(cd files; $shprog ./install-sh -c -o $user -g $group -m 755 strip-sh $prefix/bin/strip)"
fi

echo_msg "Installing bmake"
run_cmd "(cd $wrkdir/bmake; $shprog ./configure --prefix=$prefix --with-default-sys-path=$prefix/share/mk $configargs && make -f makefile.boot bootstrap && env BINDIR=$prefix/bin MANDIR=$prefix/man $BSTRAP_ENV ./bmake -f Makefile install)"

# build libnbcompat
echo_msg "Building libnbcompat"
copy_src ../pkgtools/libnbcompat/files libnbcompat
run_cmd "(cd $wrkdir/libnbcompat; $shprog ./configure -C --prefix=$prefix && $prefix/bin/bmake)"

# bootstrap tnftp
case "$DEBIAN" in
yes)
	LIBS="-lncurses"
	;;
esac
echo_msg "Installing tnftp"
copy_src ../net/tnftp/files tnftp
run_cmd "(cd $wrkdir/tnftp; env $BSTRAP_ENV $shprog ./configure --prefix=$prefix && make && (cd src && make install))"
pkg_install_args="$pkg_install_args --with-ftp=$prefix/bin/ftp"

FETCH_CMD=$prefix/bin/ftp
export FETCH_CMD
echo "FETCH_CMD=$prefix/bin/ftp" >> ${MKCONF_EXAMPLE}

# bootstrap digest
echo_msg "Installing digest"
copy_src ../pkgtools/digest/files digest
run_cmd "(cd $wrkdir/digest; env $BSTRAP_ENV $shprog ./configure -C --prefix=$prefix && make && make install)"

# create the digest package's meta files
digestversion=digest-`$awkprog -F "'" '/^PACKAGE_VERSION=/ {print $2}' $wrkdir/digest/configure`
$lsprog -ld $prefix/bin/digest | $awkprog '{ print $5 }' > $wrkdir/digest/.size
env DIGESTPROG=$prefix/bin/digest PKG_DIGEST=md5 PKG_DBDIR=$pkgdbdir \
	$shprog ./pkg.sh create -d $wrkdir/digest/DESCR -O \
	-c '-Message digest wrapper utility' -l -p $prefix \
	-f $wrkdir/digest/PLIST -s $wrkdir/digest/.size -S $wrkdir/digest/.size $digestversion

# we often need NetBSD's pax as well, nowadays, to make binary packages
case "$need_pax" in
yes)	echo_msg "Installing pax"
	copy_src ../archivers/pax/files pax
	run_cmd "(cd $wrkdir/pax; env $BSTRAP_ENV CPPFLAGS='-I../libnbcompat' LDFLAGS='-L../libnbcompat' LIBS='-lnbcompat' $shprog ./configure -C --prefix=$prefix && $prefix/bin/bmake && $prefix/bin/bmake install)"
	echo "PAX=$prefix/bin/pax" >> ${MKCONF_EXAMPLE}
	pkg_install_args="$pkg_install_args --with-pax=$prefix/bin/pax --with-tar=$prefix/bin/tar"
	;;
*)
	pkg_install_args="$pkg_install_args --with-pax=$paxprog --with-tar=$tarprog"
	;;
esac

# bootstrap mtree if necessary
case "$need_mtree" in
yes)	echo_msg "Installing mtree"
	copy_src ../pkgtools/mtree/files mtree
	run_cmd "(cd $wrkdir/mtree; env $BSTRAP_ENV CPPFLAGS='-I../libnbcompat' LDFLAGS='-L../libnbcompat' LIBS='-lnbcompat' $shprog ./configure -C --prefix=$prefix && $prefix/bin/bmake && $prefix/bin/bmake install)"
	pkg_install_args="$pkg_install_args --with-mtree=$prefix/sbin/mtree"
	;;
*)	pkg_install_args="$pkg_install_args --with-mtree=$mtreeprog"
	;;
esac

# bootstrap sed if necessary
case "$need_sed" in
yes)	echo_msg "Installing sed"
	copy_src ../textproc/nbsed/files sed
	run_cmd "(cd $wrkdir/sed; env $BSTRAP_ENV $shprog ./configure -C --prefix=$prefix && make && make install)"
	echo "SED=$prefix/bin/nbsed" >> ${MKCONF_EXAMPLE}
	;;
esac

# bootstrap pkg_install
echo_msg "Installing pkgtools"
copy_src ../pkgtools/pkg_install/files pkg_install
pkg_install_mandir="$prefix/man"
if [ "$prefix" = "/usr" ]; then
	pkg_install_mandir="$prefix/share/man"
fi
run_cmd "(cd $wrkdir/pkg_install; env $BSTRAP_ENV CPPFLAGS='-I../libnbcompat -I../../libnbcompat' LDFLAGS='-L../libnbcompat -L../../libnbcompat' LIBS='-lnbcompat' $shprog ./configure -C --prefix=$prefix --with-pkgdbdir=$pkgdbdir --mandir=$pkg_install_mandir $pkg_install_args && $prefix/bin/bmake && $prefix/bin/bmake install)"

# all's ready, install the man page
echo_msg "Installing packages(7) man page"
(cd files; run_cmd "$shprog ./install-sh -c -m 444 packages.cat7 $prefix/man/cat7/packages.0")

# opsys specific fiddling
opsys_finish

echo "" >> ${MKCONF_EXAMPLE}
echo ".endif			# end pkgsrc settings" >> ${MKCONF_EXAMPLE}

echo ""
echo "Please remember to add $prefix/bin to your PATH environment variable"
echo "and $prefix/man to your MANPATH environment variable, if necessary."
echo ""
echo "An example mk.conf file \"${MKCONF_EXAMPLE}\" with the settings you"
echo "provided to \"bootstrap\" has been created for you."
echo "Please copy ${MKCONF_EXAMPLE} to /etc/mk.conf."
echo ""
echo "You can find extensive documentation of the NetBSD Packages Collection"
echo "in $pkgsrcdir/Packages.txt and packages(7)."
echo ""
echo "Hopefully everything is now complete."
echo "Thank you"

echo_msg "bootstrap started: $build_start"
echo_msg "bootstrap ended:   `date`"

exit 0
