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#
# Creates a root filesystem out of rpm packages
#

ROOTFS_PKGMANAGE = "rpm zypper"

# Add 50Meg of extra space for zypper database space
IMAGE_ROOTFS_EXTRA_SPACE_append = "${@base_contains("PACKAGE_INSTALL", "zypper", " + 51200", "" ,d)}"

# Smart is python based, so be sure python-native is available to us.
EXTRANATIVEPATH += "python-native"

# Postinstalls on device are handled within this class at present
ROOTFS_PKGMANAGE_BOOTSTRAP = ""

do_rootfs[depends] += "rpm-native:do_populate_sysroot"
do_rootfs[depends] += "rpmresolve-native:do_populate_sysroot"
do_rootfs[depends] += "python-smartpm-native:do_populate_sysroot"

# Needed for update-alternatives
do_rootfs[depends] += "opkg-native:do_populate_sysroot"

# Creating the repo info in do_rootfs
do_rootfs[depends] += "createrepo-native:do_populate_sysroot"

do_rootfs[recrdeptask] += "do_package_write_rpm"

RPM_PREPROCESS_COMMANDS = "package_update_index_rpm; "
RPM_POSTPROCESS_COMMANDS = "rpm_setup_smart_target_config; "

# 
# Allow distributions to alter when [postponed] package install scripts are run
#
POSTINSTALL_INITPOSITION ?= "98"

rpmlibdir = "/var/lib/rpm"
opkglibdir = "${localstatedir}/lib/opkg"

RPMOPTS="--dbpath ${rpmlibdir}"
RPM="rpm ${RPMOPTS}"

# RPM doesn't work with multiple rootfs generation at once due to collisions in the use of files 
# in ${DEPLOY_DIR_RPM}. This can be removed if package_update_index_rpm can be called concurrently
do_rootfs[lockfiles] += "${DEPLOY_DIR_RPM}/rpm.lock"

fakeroot rootfs_rpm_do_rootfs () {
	${RPM_PREPROCESS_COMMANDS}

	# install packages
	# This needs to work in the same way as populate_sdk_rpm.bbclass!
	export INSTALL_ROOTFS_RPM="${IMAGE_ROOTFS}"
	export INSTALL_PLATFORM_RPM="${TARGET_ARCH}"
	export INSTALL_PACKAGES_RPM="${PACKAGE_INSTALL}"
	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="${PACKAGE_INSTALL_ATTEMPTONLY}"
	export INSTALL_PACKAGES_LINGUAS_RPM="${LINGUAS_INSTALL}"
	export INSTALL_PROVIDENAME_RPM=""
	export INSTALL_TASK_RPM="rootfs_rpm_do_rootfs"
	export INSTALL_COMPLEMENTARY_RPM=""

	# Setup base system configuration
	mkdir -p ${INSTALL_ROOTFS_RPM}/etc/rpm/

	# List must be prefered to least preferred order
	INSTALL_PLATFORM_EXTRA_RPM=""
	for each_arch in ${MULTILIB_PACKAGE_ARCHS} ${PACKAGE_ARCHS}; do
		INSTALL_PLATFORM_EXTRA_RPM="$each_arch $INSTALL_PLATFORM_EXTRA_RPM"
	done
	export INSTALL_PLATFORM_RPM

	package_install_internal_rpm

	rootfs_install_complementary

	export D=${IMAGE_ROOTFS}
	export OFFLINE_ROOT=${IMAGE_ROOTFS}
	export IPKG_OFFLINE_ROOT=${IMAGE_ROOTFS}
	export OPKG_OFFLINE_ROOT=${IMAGE_ROOTFS}

	${ROOTFS_POSTINSTALL_COMMAND}

	# Report delayed package scriptlets
	for i in ${IMAGE_ROOTFS}/etc/rpm-postinsts/*; do
		if [ -f $i ]; then
			echo "Delayed package scriptlet: `head -n 3 $i | tail -n 1`"
		fi
	done

	install -d ${IMAGE_ROOTFS}/${sysconfdir}/rcS.d
	# Stop $i getting expanded below...
	i=\$i
	cat > ${IMAGE_ROOTFS}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts << EOF
#!/bin/sh
for i in /etc/rpm-postinsts/*; do
	echo "Running postinst $i..."
	if [ -f $i ] && $i; then
		rm $i
	else
		echo "ERROR: postinst $i failed."
	fi
done
rm -f ${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts
EOF
	chmod 0755 ${IMAGE_ROOTFS}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts

	install -d ${IMAGE_ROOTFS}/${sysconfdir}
	echo ${BUILDNAME} > ${IMAGE_ROOTFS}/${sysconfdir}/version

	${RPM_POSTPROCESS_COMMANDS}
	${ROOTFS_POSTPROCESS_COMMAND}
	
	rm -rf ${IMAGE_ROOTFS}/var/cache2/
	rm -rf ${IMAGE_ROOTFS}/var/run2/
	rm -rf ${IMAGE_ROOTFS}/var/log2/

	# remove lock files
	rm -f ${IMAGE_ROOTFS}${rpmlibdir}/__db.*

	# Remove all remaining resolver files
	rm -rf ${IMAGE_ROOTFS}/install

	log_check rootfs
}

remove_packaging_data_files() {
	# Save the rpmlib for increment rpm image generation
	t="${T}/saved_rpmlib/var/lib"
	rm -fr $t
	mkdir -p $t
	mv ${IMAGE_ROOTFS}${rpmlibdir} $t
	rm -rf ${IMAGE_ROOTFS}${opkglibdir}
	rm -rf ${IMAGE_ROOTFS}/var/lib/smart
}

rpm_setup_smart_target_config() {
	# Set up smart configuration for the target
	rm -rf ${IMAGE_ROOTFS}/var/lib/smart
	smart --data-dir=${IMAGE_ROOTFS}/var/lib/smart channel --add rpmsys type=rpm-sys -y
	smart --data-dir=${IMAGE_ROOTFS}/var/lib/smart config --set rpm-nolinktos=1
	smart --data-dir=${IMAGE_ROOTFS}/var/lib/smart config --set rpm-noparentdirs=1
	rm -f ${IMAGE_ROOTFS}/var/lib/smart/config.old
}

RPM_QUERY_CMD = '${RPM} --root $INSTALL_ROOTFS_RPM -D "_dbpath ${rpmlibdir}"'

list_installed_packages() {
	GET_LIST=$(${RPM_QUERY_CMD} -qa --qf "[%{NAME} %{ARCH} %{PACKAGEORIGIN} %{Platform}\n]")

	# Use awk to find the multilib prefix and compare it
	# with the platform RPM thinks it is part of
	for prefix in `echo ${MULTILIB_PREFIX_LIST}`; do
		GET_LIST=$(echo "$GET_LIST" | awk -v prefix="$prefix" '$0 ~ prefix {printf("%s-%s\n", prefix, $0); } $0 !~ prefix {print $0}')
	done

	# print the info, need to different return counts
	if [ "$1" = "arch" ] ; then
		echo "$GET_LIST" | awk -v archs="${PACKAGE_ARCHS}" '{if(!index(archs, $2)) {gsub("_", "-", $2)} print $1, $2}'
        elif [ "$1" = "file" ] ; then
		echo "$GET_LIST" | awk '{print $1, $3}'
        else
		echo "$GET_LIST" | awk '{print $1}' 
	fi
}

rootfs_list_installed_depends() {
	rpmresolve -t $INSTALL_ROOTFS_RPM/${rpmlibdir}
}

rootfs_install_packages() {
	# Note - we expect the variables not set here to already have been set
	export INSTALL_PACKAGES_RPM=""
	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="`cat $1`"
	export INSTALL_PROVIDENAME_RPM=""
	export INSTALL_TASK_RPM="rootfs_install_packages"
	export INSTALL_COMPLEMENTARY_RPM="1"

	package_install_internal_rpm
}

python () {
    if d.getVar('BUILD_IMAGES_FROM_FEEDS', True):
        flags = d.getVarFlag('do_rootfs', 'recrdeptask')
        flags = flags.replace("do_package_write_rpm", "")
        flags = flags.replace("do_deploy", "")
        flags = flags.replace("do_populate_sysroot", "")
        d.setVarFlag('do_rootfs', 'recrdeptask', flags)
        d.setVar('RPM_PREPROCESS_COMMANDS', '')
        d.setVar('RPM_POSTPROCESS_COMMANDS', '')

    # The following code should be kept in sync w/ the populate_sdk_rpm version.
    ml_package_archs = ""
    ml_prefix_list = ""
    multilibs = d.getVar('MULTILIBS', True) or ""
    for ext in multilibs.split():
        eext = ext.split(':')
        if len(eext) > 1 and eext[0] == 'multilib':
            localdata = bb.data.createCopy(d)
            default_tune = localdata.getVar("DEFAULTTUNE_virtclass-multilib-" + eext[1], False)
            if default_tune:
                localdata.setVar("DEFAULTTUNE", default_tune)
            package_archs = localdata.getVar("PACKAGE_ARCHS", True) or ""
            package_archs = " ".join([i in "all noarch any".split() and i or eext[1]+"_"+i for i in package_archs.split()])
            ml_package_archs += " " + package_archs
            ml_prefix_list += " " + eext[1]
            #bb.note("ML_PACKAGE_ARCHS %s %s %s" % (eext[1], localdata.getVar("PACKAGE_ARCHS", True) or "(none)", overrides))
    d.setVar('MULTILIB_PACKAGE_ARCHS', ml_package_archs)
    d.setVar('MULTILIB_PREFIX_LIST', ml_prefix_list)
}