#-
# Copyright (c) 2008-2010 Juan Romero Pardines.
# 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.
#
# 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.
#-

. ${XBPS_SHUTILSDIR}/tmpl_funcs.sh
. ${XBPS_SHUTILSDIR}/common_funcs.sh

#
# Installs a pkg by reading its build template file.
#
install_pkg()
{
	local curpkgn="$1" fullpkg pkg cdestdir

	#
	# If we are being invoked through the chroot, re-read config file
	# to get correct stuff.
	#
	if [ -n "$in_chroot" ]; then
		check_config_vars
		set_defvars
	fi

	pkg="$curpkgn-$version"
	[ -n "$doing_deps" ] && setup_tmpl $curpkgn

	#
	# Refuse to install the same package that is already installed.
	#
	. $XBPS_SHUTILSDIR/builddep_funcs.sh
	check_installed_pkg "$pkg"
	if [ $? -eq 1 -o $? -eq 0 ]; then
		instver="$($XBPS_PKGDB_CMD version $pkgname)"
		if [ -n "$instver" ]; then
			echo "=> $pkgname-$instver already installed."
			return 0
		fi
	fi

	#
	# Install dependencies required by this package.
	#
	if [ -z "$doing_deps" ]; then
		install_dependencies_pkg $pkg
		[ $? -eq 1 ] && return 1
		#
		# At this point all required deps are installed, and
		# only remaining is the origin package; install it.
		#
		unset doing_deps
		setup_tmpl $curpkgn
		msg_normal "Installing '$pkgname'...\n"
	fi

	#
	# Fetch, extract, build and install into the destination directory.
	#
	. $XBPS_SHUTILSDIR/fetch_funcs.sh
	fetch_distfiles

	if [ ! -f "$XBPS_EXTRACT_DONE" ]; then
		. $XBPS_SHUTILSDIR/extract_funcs.sh
		extract_distfiles
		if [ $? -ne 0 ]; then
			msg_red "cannot extract distfiles for '$pkgname'!\n"
			return 1
		fi
	fi

	if [ ! -f "$XBPS_CONFIGURE_DONE" ]; then
		. $XBPS_SHUTILSDIR/configure_funcs.sh
		configure_src_phase
		if [ $? -ne 0 ]; then
			msg_red "cannot configure '$pkgname'!\n"
			return 1
		fi
	fi

	if [ ! -f "$XBPS_BUILD_DONE" ]; then
		. $XBPS_SHUTILSDIR/build_funcs.sh
		build_src_phase
		if [ $? -ne 0 ]; then
			msg_red "cannot build '$pkgname'!\n"
			return 1
		fi
	fi

	# Install pkg into destdir.
	env xbps_machine=${xbps_machine} MASTERDIR=${_MASTERDIR}	\
		wrksrc=${wrksrc}					\
		${fakeroot_cmd} ${fakeroot_cmd_args}			\
		@@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-doinst-helper ${curpkgn}
	if [ $? -ne 0 ]; then
		msg_red "xbps-src-doinst-helper failed for '$pkgname'!\n"
		return 1
	fi

	# Strip binaries/libraries.
	if [ -z "$noarch" ]; then
		. $XBPS_SHUTILSDIR/strip_files.sh
		strip_files
	fi

	# Always write metadata to package's destdir.
	. $XBPS_SHUTILSDIR/metadata.sh
	trap 'remove_pkgdestdir_sighandler ${pkgname}' INT
	xbps_write_metadata_pkg
	if [ $? -ne 0 ]; then
		msg_red "cannot write package metadata for '$pkgname'!\n"
		trap - INT
		return 1
	fi
	trap - INT

	[ "$install_destdir_target" = "yes" ] && return 0

	# Stow package into masterdir.
	. $XBPS_SHUTILSDIR/stow_funcs.sh
	stow_pkg_handler stow
	if [ $? -ne 0 ]; then
		msg_red "cannot stow '$pkgname'!\n"
		return 1
	fi

	# Copy generated pkg metadata files into its metadata dir.
	if [ ! -f ${DESTDIR}/files.plist ]; then
		msg_error "${pkgname}: missing metadata files.plist!"
	fi
	cp -f ${DESTDIR}/files.plist ${XBPS_PKGMETADIR}/${pkgname}
	if [ ! -f ${DESTDIR}/props.plist ]; then
		msg_error "${pkgname}: missing metadata props.plist!"
	fi
	cp -f ${DESTDIR}/props.plist ${XBPS_PKGMETADIR}/${pkgname}
	if [ -f ${DESTDIR}/INSTALL ]; then
		install -m750 ${DESTDIR}/INSTALL \
			${XBPS_PKGMETADIR}/${pkgname}
	fi
	if [ -f ${DESTDIR}/REMOVE ]; then
		install -m750 ${DESTDIR}/REMOVE \
			${XBPS_PKGMETADIR}/${pkgname}
	fi
	#
	# Remove $wrksrc if -C not specified.
	#
	if [ -d "$wrksrc" -a "$dontrm_builddir" = "no" ]; then
		remove_tmpl_wrksrc $wrksrc
	fi

	#
	# If XBPS_PREFER_BINPKG_DEPS is set, we should remove those
	# package dependencies installed by the target package, do it.
	#
	if [ -n "$XBPS_PREFER_BINPKG_DEPS" -a -z "$doing_deps" ]; then
		msg_normal "Removing binary package dependencies...\n"
		${XBPS_BIN_CMD} -Rpyf autoremove
	fi
	return $?
}

#
# Installs a pkg by installing a binary package from
# repository pool, matching the pkg pattern.
#
install_pkg_with_binpkg()
{
	local pkgpattern="$1"

	msg_normal "Installing binary pkg: $pkgpattern\n"
	${fakeroot_cmd} ${fakeroot_cmd_args} ${XBPS_BIN_CMD} \
		-Ay install \""$pkgpattern\""
	return $?
}

#
# Lists files installed by a package.
#
list_pkg_files()
{
	local pkg="$1" ver=

	[ -z $pkg ] && msg_error "unexistent package, aborting.\n"

	ver=$($XBPS_PKGDB_CMD version $pkg)
	[ -z "$ver" ] && msg_error "$pkg is not installed.\n"

	cat $XBPS_PKGMETADIR/$pkg/flist
}

#
# Removes a currently installed package (unstow + removed from destdir).
#
remove_pkg()
{
	local subpkg ver

	[ -z $pkgname ] && msg_error "unexistent package, aborting.\n"

	ver=$($XBPS_PKGDB_CMD version $pkgname)
	[ -z "$ver" ] && msg_error "$pkgname is not installed.\n"

	. $XBPS_SHUTILSDIR/stow_funcs.sh
	stow_pkg_handler unstow || return $?

	for subpkg in ${subpackages}; do
		if [ -d "$XBPS_DESTDIR/${subpkg}-${ver%_*}" ]; then
			rm -rf "$XBPS_DESTDIR/${subpkg}-${ver%_*}"
		fi
		# Remove leftover files in $wrksrc.
		if [ -f "${wrksrc}/.xbps_do_install_${subpkg}_done" ]; then
			rm -f ${wrksrc}/.xbps_do_install_${subpkg}_done
		fi
	done

	if [ -d "$XBPS_DESTDIR/${pkgname}-${ver%_*}" ]; then
		rm -rf "$XBPS_DESTDIR/${pkgname}-${ver%_*}"
	fi

	rm -f $XBPS_PRE_INSTALL_DONE
	rm -f $XBPS_POST_INSTALL_DONE
	rm -f $XBPS_INSTALL_DONE

	return $?
}