#!/bin/sh
# $NetBSD: pre-build,v 1.76 2010/05/11 18:36:15 mbalmer Exp $
#
# Clean up system to be ready for bulk pkg build
#
# (c) 2000 Hubert Feyrer, All Rights Reserved.
#

#set -v		# Debug

# Pull in USR_PKGSRC:
if [ -f "$BULK_BUILD_CONF" ]; then
    . "$BULK_BUILD_CONF"
else
    . `dirname $0`/build.conf
fi

PRUNEDISTFILES=${PRUNEDISTFILES:-"no"}
PRUNEPACKAGES=${PRUNEPACKAGES:-"yes"}
PRUNELINKS=${PRUNEPACKAGES:-"yes"}
PKG_ADMIN="pkg_admin"
PKG_INFO="pkg_info"

some_package_dir=${USR_PKGSRC}/pkgtools/lintpkgsrc

# Extract the name of the files used for the build log and broken build log.
# These have defaults set by bsd.bulk-pkg.mk and may be overridden in
# /etc/mk.conf
BULKFILESDIR=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=BULKFILESDIR )`;
if [ "$BULKFILESDIR" = "" ]; then
	echo "pre-build> Had problems determining the directory of .broken* files"
	exit 1
fi
BROKENF=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=BROKENFILE )`;
if [ "$BROKENF" = "" ]; then
	echo "pre-build> Had problems determining the name of the .broken files"
	exit 1
fi
NOTAVAILF=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=NOT_AVAILABLE_FILE )`;
if [ "$NOTAVAILF" = "" ]; then
	echo "pre-build> Had problems determining the name of the .bulk-not_available files"
	exit 1
fi
BRKWRKLOG=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=BROKENWRKLOG )`;
if [ "$BRKWRKLOG" = "" ]; then
	echo "pre-build> Had problems determining the name of the .broken.work files"
	exit 1
fi
BLDLOG=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=BUILDLOG )`;
if [ "$BLDLOG" = "" ]; then
	echo "pre-build> Had problems determining the name of the .make files"
	exit 1
fi
LINTPKGSRC_DB=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=LINTPKGSRC_DB )`;
if [ "$LINTPKGSRC_DB" = "" ]; then
	echo "pre-build> Had problems determining the name of the .lintpkgsrc.db file"
	exit 1
fi
STARTFILE=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=STARTFILE )`;
if [ "$STARTFILE" = "" ]; then
	echo "pre-build> Had problems determining the name of the .start file"
	exit 1
fi

LOCALBASE=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=LOCALBASE )`;
X11BASE=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=X11BASE )`;
DISTDIR=`( cd ${some_package_dir} ; ${BMAKE} show-var VARNAME=DISTDIR )`;

# Create ${BULKFILESDIR} if necessary
echo "pre-build> Creating ${BULKFILESDIR} if necessary"
mkdir -p "${BULKFILESDIR}"

# Make sure the pkg-vulnerabilities file is up to date
_INFO_VER=`${PKG_INFO} -V`;
echo "pre-build> Making sure vulnerability-list is up to date:"
if [ -z "$UPDATE_VULNERABILITY_LIST" -o "$UPDATE_VULNERABILITY_LIST" = yes ]; then
	_PKGVULNDIR=`audit-packages ${AUDIT_PACKAGES_FLAGS} -Q PKGVULNDIR`
	download-vulnerability-list ${DOWNLOAD_VULNERABILITY_LIST_FLAGS}
	if [ "x${_PKGVULNDIR}" != "x${DISTDIR}" ]; then
		cp ${_PKGVULNDIR}/pkg-vulnerabilities ${DISTDIR}
	fi
	echo 'pre-build> done.'
else
	echo 'pre-build> (skipped)'
fi

# On non-NetBSD platforms we need to keep the bootstrap-files!
if [ x"$BMAKE" = x"bmake" ]; then
	( cd "$LOCALBASE" && tar cf /tmp/$$.tar \
		sbin/audit-packages sbin/download-vulnerability-list         \
		sbin/pkg_add sbin/pkg_admin sbin/pkg_create                  \
		sbin/pkg_delete sbin/pkg_info \
		share/mk/sys.mk share/mk/bsd.dep.mk share/mk/bsd.depall.mk   \
		share/mk/bsd.files.mk share/mk/bsd.hostprog.mk               \
		share/mk/bsd.doc.mk share/mk/bsd.inc.mk share/mk/bsd.info.mk \
		share/mk/bsd.kernobj.mk share/mk/bsd.kinc.mk                 \
		share/mk/bsd.kmod.mk share/mk/bsd.lib.mk                     \
		share/mk/bsd.links.mk share/mk/bsd.man.mk                    \
		share/mk/bsd.nls.mk share/mk/bsd.obj.mk                      \
		share/mk/bsd.prog.mk share/mk/bsd.subdir.mk                  \
		share/mk/bsd.sys.mk share/mk/bsd.own.mk share/mk/bsd.README  \
		bin/bmake bin/nawk bin/nbsed bin/pdksh bin/install-sh        \
		man/cat1/nbsed.0 man/cat1/pkg_add.0 man/cat1/pkg_admin.0     \
		man/cat1/pkg_create.0 man/cat1/pkg_delete.0                  \
		man/cat1/pkg_info.0 man/cat5/pkg_install.conf.0              \
		man/cat5/pkg_summary.0 man/cat7/pkgsrc.0 man/man1/bmake.1    \
		man/man1/nawk.1 man/man1/nbsed.1 man/man1/pkg_add.1          \
		man/man1/pkg_admin.1 man/man1/pkg_create.1                   \
		man/man1/pkg_delete.1 man/man1/pkg_info.1 man/man1/pdksh.1   \
		man/man5/pkg_install.conf.5 man/man5/pkg_summary.5           \
		man/man7/pkgsrc.7 etc/mk.conf )
fi

#
# Clean out everything and its mother
#
PKG_DBDIR=`(cd "${some_package_dir}" && ${BMAKE} show-var VARNAME=PKG_DBDIR)`
DEPOTBASE=`(cd "${some_package_dir}" && ${BMAKE} show-var VARNAME=DEPOTBASE)`
PKG_TOOLS_BIN=`(cd "${some_package_dir}" && ${BMAKE} show-var VARNAME=PKG_TOOLS_BIN)`

for dbdir in "${PKG_DBDIR}" "${DEPOTBASE}"; do
	echo "pre-build> Removing all installed packages in ${dbdir}"

	# The Solaris /bin/sh requires the following weird-looking code.
	if (cd "$dbdir" 1>/dev/null 2>&1); then
		cd "$dbdir"

		for pkg in *
		do
			if ${PKG_TOOLS_BIN}/pkg_info -K "$dbdir" -qe "$pkg"; then
				echo "pre-build> ${PKG_TOOLS_BIN}/pkg_delete -r ${pkg}"
				${PKG_TOOLS_BIN}/pkg_delete -K "$dbdir" -r "$pkg"
			fi
		done
		#
		# this should have removed everything.
		# Now force any broken pkgs to deinstall.
		#
		for pkg in *
		do
			if ${PKG_TOOLS_BIN}/pkg_info -K "$dbdir" -qe "$pkg"; then
				echo "pre-build> ${PKG_TOOLS_BIN}/pkg_delete -f ${pkg}"
				${PKG_TOOLS_BIN}/pkg_delete -K "$dbdir" -f "$pkg"
			fi
		done

		# We've tried our best to get rid of the pkgs, now do it
		# the hard way.  If it wasn't for stuff in $X11BASE, I
		# wouldn't have hard feelings about this!
		rm -fr *
	fi
done

cd "$LOCALBASE" && rm -fr * && rm -fr .??*;
if [ x"$BMAKE" = x"bmake" ]; then
	( cd "$LOCALBASE" && tar xf /tmp/$$.tar )
fi

# Stuff known to be broken
rm -fr "$X11BASE/share/gimp"
rm -fr "$X11BASE/share/gnome"
rm -fr "$X11BASE/share/kde"
rm -fr "$X11BASE/share/netscape"
rm -fr /var/tmp/inst*
rm -fr "$X11BASE/lib/libgimp"*	# gimp doesn't build with old libs around
rm -fr /nonexistent		# broken useradd on pop3d
rm -fr /home/majordom		# mail/majordomo pkg
rm -fr /home/nut		# sysutils/ups-net
rm -fr /var/wwwoffle		# www/wwwoffle
rm -fr /tmp/config-guess-*
rm -fr /tmp/mod*


# Clean up state files
cd "${USR_PKGSRC}"
echo "pre-build> Cleaning up leftover state files from previous runs"
rm -f "${BULKFILESDIR}"/*/*/$BROKENF "${BULKFILESDIR}"/*/*/$BRKWRKLOG "${BULKFILESDIR}"/*/*/$BLDLOG
rm -f "${BULKFILESDIR}"/*/*/$NOTAVAILF
rm -f "${BULKFILESDIR}/$BROKENF" "${BULKFILESDIR}/$BRKWRKLOG" "${BULKFILESDIR}/$BLDLOG" "$STARTFILE"


#
# Remove old/broken distfiles and binary packages
#
PACKAGES=`( cd "${some_package_dir}" && ${BMAKE} show-var VARNAME=PACKAGES )`

case "$LINTPKGSRC_CACHE$PRUNEDISTFILES$PRUNEPACKAGES" in
*yes*|*YES*)
	# install lintpkgsrc to support any of these options
	( cd "${USR_PKGSRC}/pkgtools/lintpkgsrc" && ${BMAKE} PRECLEAN=yes bulk-install )
	;;
esac

case "$LINTPKGSRC_CACHE" in
yes|YES)
	echo "pre-build> Creating lintpkgsrc cache database."
	lintpkgsrc -K "$PACKAGES" -P "$USR_PKGSRC" -M "$DISTDIR" -E "$LINTPKGSRC_DB"
	lintpkgsrc_cache="-I $LINTPKGSRC_DB"
	echo "pre-build> done."
	;;
*)
	lintpkgsrc_cache=''
	;;
esac

case "$PRUNEDISTFILES" in
yes|YES)
	echo "pre-build> Removing old/broken distfiles"
	lintpkgsrc $lintpkgsrc_cache -K "$PACKAGES" -P "$USR_PKGSRC" -M "$DISTDIR" -o -m -r
	echo "pre-build> done."
	;;
*)
	echo "pre-build> Skipping distfile pruning."
	;;
esac

case "$PRUNEPACKAGES" in
yes|YES)
	echo "pre-build> Removing old (out of date) binary packages"
	lintpkgsrc $lintpkgsrc_cache -K "$PACKAGES" -P "$USR_PKGSRC" -M "$DISTDIR" -p -r
	echo "pre-build> done."
	;;
*)
	echo "pre-build> Skipping packages pruning."
	;;
esac

case "$PRUNELINKS" in
yes|YES)
	echo "pre-build> Checking for and removing orphaned packages links"
	find "$PACKAGES" -type l -print |  \
	while read f
	do
		if [ ! -d "$f" -a ! -f "$f" ]; then
			echo "pre-build> Removing orphaned link: \"$f\""
			rm "$f"
		fi
	done
	echo "pre-build> done."
	;;
*)
	echo "pre-build> Skipping pruning of packages links."
	;;
esac

# Clean out the packages added above so that the real bulk build
# is started in a consistent state.
for dbdir in "${PKG_DBDIR}" "${DEPOTBASE}"; do
	echo "pre-build> Removing all installed packages in ${dbdir}"
	if [ -d "$dbdir" ]; then
		cd "$dbdir"
		for pkg in *
		do
			if ${PKG_TOOLS_BIN}/pkg_info -K "$dbdir" -qe "$pkg"; then
				echo "pre-build> ${PKG_TOOLS_BIN}/pkg_delete -r ${pkg}"
				${PKG_TOOLS_BIN}/pkg_delete -K "$dbdir" -r "$pkg"
			fi
		done
	fi
done

# on non-NetBSD, we don't want these to build as they overwrite
# bootstrap-pkgsrc generated files and thus would break the following builds.

if [ x"$BMAKE" = x"bmake" ]; then
	for pkg in devel/bmake devel/mk-files lang/nawk \
	    pkgtools/bootstrap-mk-files pkgtools/bootstrap-extras \
	    pkgtools/pkg_install \
	    shells/pdksh sysutils/install-sh textproc/nbsed; do
		mkdir -p "${BULKFILESDIR}/${pkg}"
		echo "Don't blow away bootstrap-pkgsrc stuff!" \
		> "${BULKFILESDIR}/${pkg}/${BROKENF}"
	done
fi

cd "${USR_PKGSRC}"

if [ -f mk/bulk/pre-build.local ]; then
	export BROKENF
	. mk/bulk/pre-build.local
fi

if [ ! -d "${PKG_DBDIR}" ]; then
	mkdir -p "${PKG_DBDIR}"
fi

echo "This file marks the start time of the bulk build." > "$STARTFILE"