inherit package

IMAGE_PKGTYPE ?= "rpm"

RPM="rpm"
RPMBUILD="rpmbuild"

PKGWRITEDIRRPM = "${WORKDIR}/deploy-rpms"

python package_rpm_fn () {
	d.setVar('PKGFN', d.getVar('PKG'))
}

python package_rpm_install () {
	bb.fatal("package_rpm_install not implemented!")
}

RPMCONF_TARGET_BASE = "${DEPLOY_DIR_RPM}/solvedb"
RPMCONF_HOST_BASE = "${DEPLOY_DIR_RPM}/solvedb-sdk"
#
# Update the Packages depsolver db in ${DEPLOY_DIR_RPM}
#
package_update_index_rpm () {
	if [ ! -z "${DEPLOY_KEEP_PACKAGES}" ]; then
		return
	fi

	# Update target packages
	base_archs="${PACKAGE_ARCHS}"
	ml_archs="${MULTILIB_PACKAGE_ARCHS}"
	package_update_index_rpm_common "${RPMCONF_TARGET_BASE}" base_archs ml_archs

	# Update SDK packages
	base_archs="${SDK_PACKAGE_ARCHS}"
	package_update_index_rpm_common "${RPMCONF_HOST_BASE}" base_archs
}

package_update_index_rpm_common () {
	rpmconf_base="$1"
	shift

	for archvar in "$@"; do
		eval archs=\${${archvar}}
		packagedirs=""
		for arch in $archs; do
			packagedirs="${DEPLOY_DIR_RPM}/$arch $packagedirs"
			rm -rf ${DEPLOY_DIR_RPM}/$arch/solvedb
		done

		cat /dev/null > ${rpmconf_base}-${archvar}.conf
		for pkgdir in $packagedirs; do
			if [ -e $pkgdir/ ]; then
				echo "Generating solve db for $pkgdir..."
				echo $pkgdir/solvedb >> ${rpmconf_base}-${archvar}.conf
				if [ -d $pkgdir/solvedb ]; then
					# We've already processed this and it's a duplicate
					continue
				fi
				mkdir -p $pkgdir/solvedb
				echo "# Dynamically generated solve manifest" >> $pkgdir/solvedb/manifest
				find $pkgdir -maxdepth 1 -type f >> $pkgdir/solvedb/manifest
				${RPM} -i --replacepkgs --replacefiles --oldpackage \
					-D "_dbpath $pkgdir/solvedb" --justdb \
					--noaid --nodeps --noorder --noscripts --notriggers --noparentdirs --nolinktos --stats \
					--ignoresize --nosignature --nodigest \
					-D "__dbi_txn create nofsync" \
					$pkgdir/solvedb/manifest
			fi
		done
	done
}

#
# Generate an rpm configuration suitable for use against the
# generated depsolver db's...
#
package_generate_rpm_conf () {
	# Update target packages
	package_generate_rpm_conf_common "${RPMCONF_TARGET_BASE}" base_archs ml_archs

	# Update SDK packages
	package_generate_rpm_conf_common "${RPMCONF_HOST_BASE}" base_archs
}

package_generate_rpm_conf_common() {
	rpmconf_base="$1"
	shift

	printf "_solve_dbpath " > ${rpmconf_base}.macro
	o_colon="false"

	for archvar in "$@"; do
		printf "_solve_dbpath " > ${rpmconf_base}-${archvar}.macro
		colon="false"
		for each in `cat ${rpmconf_base}-${archvar}.conf` ; do
			if [ "$o_colon" = "true" ]; then
				printf ":" >> ${rpmconf_base}.macro
			fi
			if [ "$colon" = "true" ]; then
				printf ":" >> ${rpmconf_base}-${archvar}.macro
			fi
			printf "%s" $each >> ${rpmconf_base}.macro
			o_colon="true"
			printf "%s" $each >> ${rpmconf_base}-${archvar}.macro
			colon="true"
		done
		printf "\n" >> ${rpmconf_base}-${archvar}.macro
	done
	printf "\n" >> ${rpmconf_base}.macro
}

rpm_log_check() {
       target="$1"
       lf_path="$2"

       lf_txt="`cat $lf_path`"
       for keyword_die in "Cannot find package" "exit 1" ERR Fail
       do
               if (echo "$lf_txt" | grep -v log_check | grep "$keyword_die") >/dev/null 2>&1
               then
                       echo "log_check: There were error messages in the logfile"
                       echo -e "log_check: Matched keyword: [$keyword_die]\n"
                       echo "$lf_txt" | grep -v log_check | grep -C 5 -i "$keyword_die"
                       echo ""
                       do_exit=1
               fi
       done
       test "$do_exit" = 1 && exit 1
       true
}


#
# Resolve package names to filepaths
# resolve_pacakge <pkgname> <solvdb conffile>
#
resolve_package_rpm () {
	local conffile="$1"
	shift
	local pkg_name=""
	for solve in `cat ${conffile}`; do
		pkg_name=$(${RPM} -D "_dbpath $solve" -D "__dbi_txn create nofsync" -q --yaml $@ | grep -i 'Packageorigin' | cut -d : -f 2)
		if [ -n "$pkg_name" ]; then
			break;
		fi
	done
	echo $pkg_name
}

# rpm common command and options
rpm_common_comand () {

    local target_rootfs="${INSTALL_ROOTFS_RPM}"
    local extra_args="$@"

    ${RPM} --root ${target_rootfs} \
        --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
        --predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
        -D "_var ${localstatedir}" \
        -D "_dbpath ${rpmlibdir}" \
        --noparentdirs --nolinktos \
        -D "__dbi_txn create nofsync private" \
        -D "_cross_scriptlet_wrapper ${WORKDIR}/scriptlet_wrapper" $extra_args
}

# install or remove the pkg
rpm_update_pkg () {

    local target_rootfs="${INSTALL_ROOTFS_RPM}"

    # Save the rpm's build time for incremental image generation, and the file
    # would be moved to ${T}
    rm -f ${target_rootfs}/install/total_solution_bt.manifest
    for i in `cat ${target_rootfs}/install/total_solution.manifest`; do
        # Use "rpm" rather than "${RPM}" here, since we don't need the
        # '--dbpath' option
        echo "$i `rpm -qp --qf '%{BUILDTIME}\n' $i`" >> \
            ${target_rootfs}/install/total_solution_bt.manifest
    done

    # Only install the different pkgs if incremental image generation is set
    if [ "${INC_RPM_IMAGE_GEN}" = "1" -a -f ${T}/total_solution_bt.manifest -a \
        "${IMAGE_PKGTYPE}" = "rpm" ]; then
        cur_list="${target_rootfs}/install/total_solution_bt.manifest"
        pre_list="${T}/total_solution_bt.manifest"
        sort -u $cur_list -o $cur_list
        sort -u $pre_list -o $pre_list
        comm -1 -3 $cur_list $pre_list | sed 's#.*/\(.*\)\.rpm .*#\1#' > \
            ${target_rootfs}/install/remove.manifest
        comm -2 -3 $cur_list $pre_list | awk '{print $1}' > \
            ${target_rootfs}/install/incremental.manifest

        # Attempt to remove unwanted pkgs, the scripts(pre, post, etc.) has not
        # been run by now, so don't have to run them(preun, postun, etc.) when
        # erase the pkg
        if [ -s ${target_rootfs}/install/remove.manifest ]; then
            rpm_common_comand --noscripts --nodeps \
                -e `cat ${target_rootfs}/install/remove.manifest`
        fi

        # Attempt to install the incremental pkgs
        rpm_common_comand --nodeps --replacefiles --replacepkgs \
            -Uvh ${target_rootfs}/install/incremental.manifest
    else
        # Attempt to install
        rpm_common_comand --replacepkgs \
            -Uhv ${target_rootfs}/install/total_solution.manifest
    fi
}

#
# install a bunch of packages using rpm
# the following shell variables needs to be set before calling this func:
# INSTALL_ROOTFS_RPM - install root dir
# INSTALL_PLATFORM_RPM - main platform
# INSTALL_PLATFORM_EXTRA_RPM - extra platform
# INSTALL_CONFBASE_RPM - configuration file base name
# INSTALL_PACKAGES_RPM - packages to be installed
# INSTALL_PACKAGES_ATTEMPTONLY_RPM - packages attemped to be installed only
# INSTALL_PACKAGES_LINGUAS_RPM - additional packages for uclibc
# INSTALL_PROVIDENAME_RPM - content for provide name
# INSTALL_TASK_RPM - task name

package_install_internal_rpm () {

	local target_rootfs="${INSTALL_ROOTFS_RPM}"
	local platform="${INSTALL_PLATFORM_RPM}"
	local platform_extra="${INSTALL_PLATFORM_EXTRA_RPM}"
	local confbase="${INSTALL_CONFBASE_RPM}"
	local package_to_install="${INSTALL_PACKAGES_RPM}"
	local package_attemptonly="${INSTALL_PACKAGES_ATTEMPTONLY_RPM}"
	local package_linguas="${INSTALL_PACKAGES_LINGUAS_RPM}"
	local providename="${INSTALL_PROVIDENAME_RPM}"
	local task="${INSTALL_TASK_RPM}"

	# Setup base system configuration
	mkdir -p ${target_rootfs}/etc/rpm/
	echo "${platform}${TARGET_VENDOR}-${TARGET_OS}" > ${target_rootfs}/etc/rpm/platform
	if [ ! -z "$platform_extra" ]; then
		for pt in $platform_extra ; do
			case $pt in
				noarch | any | all)
					os="`echo ${TARGET_OS} | sed "s,-.*,,"`.*"
					;;
				*)
					os="${TARGET_OS}"
					;;
			esac
			echo "$pt-.*-$os" >> ${target_rootfs}/etc/rpm/platform
		done
	fi

	# Tell RPM that the "/" directory exist and is available
	mkdir -p ${target_rootfs}/etc/rpm/sysinfo
	echo "/" >${target_rootfs}/etc/rpm/sysinfo/Dirnames
	if [ ! -z "$providename" ]; then
		cat /dev/null > ${target_rootfs}/etc/rpm/sysinfo/Providename
		for provide in $providename ; do
			echo $provide >> ${target_rootfs}/etc/rpm/sysinfo/Providename
		done
	fi

	# Setup manifest of packages to install...
	mkdir -p ${target_rootfs}/install
	echo "# Install manifest" > ${target_rootfs}/install/install.manifest

	# Uclibc builds don't provide this stuff...
	if [ x${TARGET_OS} = "xlinux" ] || [ x${TARGET_OS} = "xlinux-gnueabi" ] ; then
		if [ ! -z "${package_linguas}" ]; then
			for pkg in ${package_linguas}; do
				echo "Processing $pkg..."

				archvar=base_archs
				manifest=install.manifest
				ml_prefix=`echo ${pkg} | cut -d'-' -f1`
				ml_pkg=$pkg
				for i in ${MULTILIB_PREFIX_LIST} ; do
					if [ ${ml_prefix} = ${i} ]; then
						ml_pkg=$(echo ${pkg} | sed "s,^${ml_prefix}-\(.*\),\1,")
						archvar=ml_archs
						manifest=install_multilib.manifest
						break
					fi
				done

				pkg_name=$(resolve_package_rpm ${confbase}-${archvar}.conf ${ml_pkg})
				if [ -z "$pkg_name" ]; then
					echo "Unable to find package $pkg ($ml_pkg)!"
					exit 1
				fi
				echo $pkg_name >> ${target_rootfs}/install/${manifest}
			done
		fi
	fi
	if [ ! -z "${package_to_install}" ]; then
		for pkg in ${package_to_install} ; do
			echo "Processing $pkg..."

			archvar=base_archs
			manifest=install.manifest
			ml_prefix=`echo ${pkg} | cut -d'-' -f1`
			ml_pkg=$pkg
			for i in ${MULTILIB_PREFIX_LIST} ; do
				if [ ${ml_prefix} = ${i} ]; then
					ml_pkg=$(echo ${pkg} | sed "s,^${ml_prefix}-\(.*\),\1,")
					archvar=ml_archs
					manifest=install_multilib.manifest
					break
				fi
			done

			pkg_name=$(resolve_package_rpm ${confbase}-${archvar}.conf ${ml_pkg})
			if [ -z "$pkg_name" ]; then
				echo "Unable to find package $pkg ($ml_pkg)!"
				exit 1
			fi
			echo $pkg_name >> ${target_rootfs}/install/${manifest}
		done
	fi

	# Normal package installation

	# Generate an install solution by doing a --justdb install, then recreate it with
	# an actual package install!
	${RPM} --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
		--predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
		-D "_dbpath ${target_rootfs}/install" -D "`cat ${confbase}-base_archs.macro`" \
		-D "__dbi_txn create nofsync" \
		-U --justdb --noscripts --notriggers --noparentdirs --nolinktos --ignoresize \
		${target_rootfs}/install/install.manifest

	if [ ! -z "${package_attemptonly}" ]; then
		echo "Adding attempt only packages..."
		for pkg in ${package_attemptonly} ; do
			echo "Processing $pkg..."
			archvar=base_archs
			ml_prefix=`echo ${pkg} | cut -d'-' -f1`
			ml_pkg=$pkg
			for i in ${MULTILIB_PREFIX_LIST} ; do
				if [ ${ml_prefix} = ${i} ]; then
					ml_pkg=$(echo ${pkg} | sed "s,^${ml_prefix}-\(.*\),\1,")
					archvar=ml_archs
					break
				fi
			done

			pkg_name=$(resolve_package_rpm ${confbase}-${archvar}.conf ${ml_pkg})
			if [ -z "$pkg_name" ]; then
				echo "Note: Unable to find package $pkg ($ml_pkg) -- PACKAGE_INSTALL_ATTEMPTONLY"
				continue
			fi
			echo "Attempting $pkg_name..." >> "${WORKDIR}/temp/log.do_${task}_attemptonly.${PID}"
			${RPM} --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
				--predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
				-D "_dbpath ${target_rootfs}/install" -D "`cat ${confbase}.macro`" \
				-D "__dbi_txn create nofsync private" \
				-U --justdb --noscripts --notriggers --noparentdirs --nolinktos --ignoresize \
			$pkg_name >> "${WORKDIR}/temp/log.do_${task}_attemptonly.${PID}" || true
		done
	fi

	#### Note: 'Recommends' is an arbitrary tag that means _SUGGESTS_ in OE-core..
	# Add any recommended packages to the image
	# RPM does not solve for recommended packages because they are optional...
	# So we query them and tree them like the ATTEMPTONLY packages above...
	# Change the loop to "1" to run this code...
	loop=0
	if [ $loop -eq 1 ]; then
	 echo "Processing recommended packages..."
	 cat /dev/null >  ${target_rootfs}/install/recommend.list
	 while [ $loop -eq 1 ]; do
		# Dump the full set of recommends...
		${RPM} --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
			--predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
			-D "_dbpath ${target_rootfs}/install" -D "`cat ${confbase}.macro`" \
			-D "__dbi_txn create nofsync private" \
			-qa --qf "[%{RECOMMENDS}\n]" | sort -u > ${target_rootfs}/install/recommend
		# Did we add more to the list?
		grep -v -x -F -f ${target_rootfs}/install/recommend.list ${target_rootfs}/install/recommend > ${target_rootfs}/install/recommend.new || true
		# We don't want to loop unless there is a change to the list!
		loop=0
		cat ${target_rootfs}/install/recommend.new | \
		 while read pkg ; do
			# Ohh there was a new one, we'll need to loop again...
			loop=1
			echo "Processing $pkg..."
			found=0
			for archvar in base_archs ml_archs ; do
				pkg_name=$(resolve_package_rpm ${confbase}-${archvar}.conf ${pkg})
				if [ -n "$pkg_name" ]; then
					found=1
					break
				fi
			done

			if [ $found -eq 0 ]; then
				echo "Note: Unable to find package $pkg -- suggests"
				echo "Unable to find package $pkg." >> "${WORKDIR}/temp/log.do_${task}_recommend.${PID}"
				continue
			fi
			echo "Attempting $pkg_name..." >> "${WORKDIR}/temp/log.do_{task}_recommend.${PID}"
			${RPM} --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
				--predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
				-D "_dbpath ${target_rootfs}/install" -D "`cat ${confbase}.macro`" \
				-D "__dbi_txn create nofsync private" \
				-U --justdb --noscripts --notriggers --noparentdirs --nolinktos --ignoresize \
				$pkg_name >> "${WORKDIR}/temp/log.do_${task}_recommend.${PID}" 2>&1 || true
		done
		cat ${target_rootfs}/install/recommend.list ${target_rootfs}/install/recommend.new | sort -u > ${target_rootfs}/install/recommend.new.list
		mv -f ${target_rootfs}/install/recommend.new.list ${target_rootfs}/install/recommend.list
		rm ${target_rootfs}/install/recommend ${target_rootfs}/install/recommend.new
	 done
	fi

	# Now that we have a solution, pull out a list of what to install...
	echo "Manifest: ${target_rootfs}/install/install.manifest"
	${RPM} -D "_dbpath ${target_rootfs}/install" -qa --yaml \
		-D "__dbi_txn create nofsync private" \
		| grep -i 'Packageorigin' | cut -d : -f 2 > ${target_rootfs}/install/install_solution.manifest

	touch ${target_rootfs}/install/install_multilib_solution.manifest

	if [ -e "${target_rootfs}/install/install_multilib.manifest" ]; then
		# multilib package installation

		# Generate an install solution by doing a --justdb install, then recreate it with
		# an actual package install!
		${RPM} --predefine "_rpmds_sysinfo_path ${target_rootfs}/etc/rpm/sysinfo" \
			--predefine "_rpmrc_platform_path ${target_rootfs}/etc/rpm/platform" \
			-D "_dbpath ${target_rootfs}/install" -D "`cat ${confbase}-ml_archs.macro`" \
			-D "__dbi_txn create nofsync" \
			-U --justdb --noscripts --notriggers --noparentdirs --nolinktos --ignoresize \
			${target_rootfs}/install/install_multilib.manifest

		# Now that we have a solution, pull out a list of what to install...
		echo "Manifest: ${target_rootfs}/install/install_multilib.manifest"
		${RPM} -D "_dbpath ${target_rootfs}/install" -qa --yaml \
			-D "__dbi_txn create nofsync private" \
			| grep -i 'Packageorigin' | cut -d : -f 2 > ${target_rootfs}/install/install_multilib_solution.manifest

	fi

	cat ${target_rootfs}/install/install_solution.manifest > ${target_rootfs}/install/total_solution.manifest
	cat ${target_rootfs}/install/install_multilib_solution.manifest >> ${target_rootfs}/install/total_solution.manifest

	# Construct install scriptlet wrapper
	cat << EOF > ${WORKDIR}/scriptlet_wrapper
#!/bin/bash

export PATH="${PATH}"
export D="${target_rootfs}"
export OFFLINE_ROOT="\$D"
export IPKG_OFFLINE_ROOT="\$D"
export OPKG_OFFLINE_ROOT="\$D"

\$2 \$1/\$3 \$4
if [ \$? -ne 0 ]; then
  mkdir -p \$1/etc/rpm-postinsts
  num=100
  while [ -e \$1/etc/rpm-postinsts/\${num} ]; do num=\$((num + 1)); done
  echo "#!\$2" > \$1/etc/rpm-postinsts/\${num}
  echo "# Arg: \$4" >> \$1/etc/rpm-postinsts/\${num}
  cat \$1/\$3 >> \$1/etc/rpm-postinsts/\${num}
  chmod +x \$1/etc/rpm-postinsts/\${num}
fi
EOF

	chmod 0755 ${WORKDIR}/scriptlet_wrapper

    rpm_update_pkg

}

python write_specfile () {
	import textwrap
	import oe.packagedata

	# We need a simple way to remove the MLPREFIX from the package name,
	# and dependency information...
	def strip_multilib(name, d):
		multilibs = d.getVar('MULTILIBS', True) or ""
		for ext in multilibs.split():
			eext = ext.split(':')
			if len(eext) > 1 and eext[0] == 'multilib' and name and name.find(eext[1] + '-') >= 0:
				name = "".join(name.split(eext[1] + '-'))
		return name

#		ml = d.getVar("MLPREFIX", True)
#		if ml and name and len(ml) != 0 and name.find(ml) == 0:
#			return ml.join(name.split(ml, 1)[1:])
#		return name

	# In RPM, dependencies are of the format: pkg <>= Epoch:Version-Release
	# This format is similar to OE, however there are restrictions on the
	# characters that can be in a field.  In the Version field, "-"
	# characters are not allowed.  "-" is allowed in the Release field.
	#
	# We translate the "-" in the version to a "+", by loading the PKGV
	# from the dependent recipe, replacing the - with a +, and then using
	# that value to do a replace inside of this recipe's dependencies.
	# This preserves the "-" separator between the version and release, as
	# well as any "-" characters inside of the release field.
	#
	# All of this has to happen BEFORE the mapping_rename_hook as
	# after renaming we cannot look up the dependencies in the packagedata
	# store.
	def translate_vers(varname, d):
		depends = d.getVar(varname, True)
		if depends:
			depends_dict = bb.utils.explode_dep_versions(depends)
			newdeps_dict = {}
			for dep in depends_dict:
				ver = depends_dict[dep]
				if dep and ver:
					if '-' in ver:
						subd = oe.packagedata.read_subpkgdata_dict(dep, d)
						if 'PKGV' in subd:
							pv = subd['PKGV']
							reppv = pv.replace('-', '+')
							ver = ver.replace(pv, reppv)
				newdeps_dict[dep] = ver
			depends = bb.utils.join_deps(newdeps_dict)
			d.setVar(varname, depends.strip())

	# We need to change the style the dependency from BB to RPM
	# This needs to happen AFTER the mapping_rename_hook
	def print_deps(variable, tag, array, d):
		depends = variable
		if depends:
			depends_dict = bb.utils.explode_dep_versions(depends)
			for dep in depends_dict:
				ver = depends_dict[dep]
				if dep and ver:
					ver = ver.replace('(', '')
					ver = ver.replace(')', '')
					array.append("%s: %s %s" % (tag, dep, ver))
				else:
					array.append("%s: %s" % (tag, dep))

	def walk_files(walkpath, target, conffiles):
		import os
		for rootpath, dirs, files in os.walk(walkpath):
			path = rootpath.replace(walkpath, "")
			for dir in dirs:
				# All packages own the directories their files are in...
				target.append('%dir "' + path + '/' + dir + '"')
			for file in files:
				if conffiles.count(path + '/' + file):
					target.append('%config "' + path + '/' + file + '"')
				else:
					target.append('"' + path + '/' + file + '"')

	# Prevent the prerm/postrm scripts from being run during an upgrade
	def wrap_uninstall(scriptvar):
		scr = scriptvar.strip()
		if scr.startswith("#!"):
			pos = scr.find("\n") + 1
		else:
			pos = 0
		scr = scr[:pos] + 'if [ "$1" = "0" ] ; then\n' + scr[pos:] + '\nfi'
		return scr

	packages = d.getVar('PACKAGES', True)
	if not packages or packages == '':
		bb.debug(1, "No packages; nothing to do")
		return

	pkgdest = d.getVar('PKGDEST', True)
	if not pkgdest:
		bb.fatal("No PKGDEST")
		return

	outspecfile = d.getVar('OUTSPECFILE', True)
	if not outspecfile:
		bb.fatal("No OUTSPECFILE")
		return

	# Construct the SPEC file...
	srcname    = strip_multilib(d.getVar('PN', True), d)
	srcsummary = (d.getVar('SUMMARY', True) or d.getVar('DESCRIPTION', True) or ".")
	srcversion = d.getVar('PKGV', True).replace('-', '+')
	srcrelease = d.getVar('PKGR', True)
	srcepoch   = (d.getVar('PKGE', True) or "")
	srclicense = d.getVar('LICENSE', True)
	srcsection = d.getVar('SECTION', True)
	srcmaintainer  = d.getVar('MAINTAINER', True)
	srchomepage    = d.getVar('HOMEPAGE', True)
	srcdescription = d.getVar('DESCRIPTION', True) or "."

	srcdepends     = strip_multilib(d.getVar('DEPENDS', True), d)
	srcrdepends    = []
	srcrrecommends = []
	srcrsuggests   = []
	srcrprovides   = []
	srcrreplaces   = []
	srcrconflicts  = []
	srcrobsoletes  = []

	srcpreinst  = []
	srcpostinst = []
	srcprerm    = []
	srcpostrm   = []

	spec_preamble_top = []
	spec_preamble_bottom = []

	spec_scriptlets_top = []
	spec_scriptlets_bottom = []

	spec_files_top = []
	spec_files_bottom = []

	for pkg in packages.split():
		localdata = bb.data.createCopy(d)

		root = "%s/%s" % (pkgdest, pkg)

		lf = bb.utils.lockfile(root + ".lock")

		localdata.setVar('ROOT', '')
		localdata.setVar('ROOT_%s' % pkg, root)
		pkgname = localdata.getVar('PKG_%s' % pkg, 1)
		if not pkgname:
			pkgname = pkg
		localdata.setVar('PKG', pkgname)

		localdata.setVar('OVERRIDES', pkg)

		bb.data.update_data(localdata)

		conffiles = (localdata.getVar('CONFFILES', True) or "").split()

		splitname    = strip_multilib(pkgname, d)

		splitsummary = (localdata.getVar('SUMMARY', True) or localdata.getVar('DESCRIPTION', True) or ".")
		splitversion = (localdata.getVar('PKGV', True) or "").replace('-', '+')
		splitrelease = (localdata.getVar('PKGR', True) or "")
		splitepoch   = (localdata.getVar('PKGE', True) or "")
		splitlicense = (localdata.getVar('LICENSE', True) or "")
		splitsection = (localdata.getVar('SECTION', True) or "")
		splitdescription = (localdata.getVar('DESCRIPTION', True) or ".")

		translate_vers('RDEPENDS', localdata)
		translate_vers('RRECOMMENDS', localdata)
		translate_vers('RSUGGESTS', localdata)
		translate_vers('RPROVIDES', localdata)
		translate_vers('RREPLACES', localdata)
		translate_vers('RCONFLICTS', localdata)

		# Map the dependencies into their final form
		bb.build.exec_func("mapping_rename_hook", localdata)

		splitrdepends    = strip_multilib(localdata.getVar('RDEPENDS', True), d) or ""
		splitrrecommends = strip_multilib(localdata.getVar('RRECOMMENDS', True), d) or ""
		splitrsuggests   = strip_multilib(localdata.getVar('RSUGGESTS', True), d) or ""
		splitrprovides   = strip_multilib(localdata.getVar('RPROVIDES', True), d) or ""
		splitrreplaces   = strip_multilib(localdata.getVar('RREPLACES', True), d) or ""
		splitrconflicts  = strip_multilib(localdata.getVar('RCONFLICTS', True), d) or ""
		splitrobsoletes  = []

		# For now we need to manually supplement RPROVIDES with any update-alternatives links
		if pkg == d.getVar("PN", True):
			splitrprovides = splitrprovides + " " + (d.getVar('ALTERNATIVE_LINK', True) or '') + " " + (d.getVar('ALTERNATIVE_LINKS', True) or '')

		# Gather special src/first package data
		if srcname == splitname:
			srcrdepends    = splitrdepends
			srcrrecommends = splitrrecommends
			srcrsuggests   = splitrsuggests
			srcrprovides   = splitrprovides
			srcrreplaces   = splitrreplaces
			srcrconflicts  = splitrconflicts

			srcpreinst  = localdata.getVar('pkg_preinst', True)
			srcpostinst = localdata.getVar('pkg_postinst', True)
			srcprerm    = localdata.getVar('pkg_prerm', True)
			srcpostrm   = localdata.getVar('pkg_postrm', True)

			file_list = []
			walk_files(root, file_list, conffiles)
			if not file_list and localdata.getVar('ALLOW_EMPTY') != "1":
				bb.note("Not creating empty RPM package for %s" % splitname)
			else:
				bb.note("Creating RPM package for %s" % splitname)
				spec_files_top.append('%files')
				spec_files_top.append('%defattr(-,-,-,-)')
				if file_list:
					bb.note("Creating RPM package for %s" % splitname)
					spec_files_top.extend(file_list)
				else:
					bb.note("Creating EMPTY RPM Package for %s" % splitname)
				spec_files_top.append('')

			bb.utils.unlockfile(lf)
			continue

		# Process subpackage data
		spec_preamble_bottom.append('%%package -n %s' % splitname)
		spec_preamble_bottom.append('Summary: %s' % splitsummary)
		if srcversion != splitversion:
			spec_preamble_bottom.append('Version: %s' % splitversion)
		if srcrelease != splitrelease:
			spec_preamble_bottom.append('Release: %s' % splitrelease)
		if srcepoch != splitepoch:
			spec_preamble_bottom.append('Epoch: %s' % splitepoch)
		if srclicense != splitlicense:
			spec_preamble_bottom.append('License: %s' % splitlicense)
		spec_preamble_bottom.append('Group: %s' % splitsection)

		# Replaces == Obsoletes && Provides
		if splitrreplaces and splitrreplaces.strip() != "":
			for dep in splitrreplaces.split(','):
				if splitrprovides:
					splitrprovides = splitrprovides + ", " + dep
				else:
					splitrprovides = dep
				if splitrobsoletes:
					splitrobsoletes = splitrobsoletes + ", " + dep
				else:
					splitrobsoletes = dep

		print_deps(splitrdepends,	"Requires", spec_preamble_bottom, d)
		# Suggests in RPM are like recommends in OE-core!
		print_deps(splitrrecommends,	"Suggests", spec_preamble_bottom, d)
		# While there is no analog for suggests... (So call them recommends for now)
		print_deps(splitrsuggests, 	"Recommends", spec_preamble_bottom, d)
		print_deps(splitrprovides, 	"Provides", spec_preamble_bottom, d)
		print_deps(splitrobsoletes, 	"Obsoletes", spec_preamble_bottom, d)

		# conflicts can not be in a provide!  We will need to filter it.
		if splitrconflicts:
			depends_dict = bb.utils.explode_dep_versions(splitrconflicts)
			newdeps_dict = {}
			for dep in depends_dict:
				if dep not in splitrprovides:
					newdeps_dict[dep] = depends_dict[dep]
			if newdeps_dict:
				splitrconflicts = bb.utils.join_deps(newdeps_dict)
			else:
				splitrconflicts = ""

		print_deps(splitrconflicts, 	"Conflicts", spec_preamble_bottom, d)

		spec_preamble_bottom.append('')

		spec_preamble_bottom.append('%%description -n %s' % splitname)
		dedent_text = textwrap.dedent(splitdescription).strip()
		spec_preamble_bottom.append('%s' % textwrap.fill(dedent_text, width=75))

		spec_preamble_bottom.append('')

		# Now process scriptlets
		for script in ["preinst", "postinst", "prerm", "postrm"]:
			scriptvar = localdata.getVar('pkg_%s' % script, True)
			if not scriptvar:
				continue
			if script == 'preinst':
				spec_scriptlets_bottom.append('%%pre -n %s' % splitname)
			elif script == 'postinst':
				spec_scriptlets_bottom.append('%%post -n %s' % splitname)
			elif script == 'prerm':
				spec_scriptlets_bottom.append('%%preun -n %s' % splitname)
				scriptvar = wrap_uninstall(scriptvar)
			elif script == 'postrm':
				spec_scriptlets_bottom.append('%%postun -n %s' % splitname)
				scriptvar = wrap_uninstall(scriptvar)
			spec_scriptlets_bottom.append('# %s - %s' % (splitname, script))
			spec_scriptlets_bottom.append(scriptvar)
			spec_scriptlets_bottom.append('')

		# Now process files
		file_list = []
		walk_files(root, file_list, conffiles)
		if not file_list and localdata.getVar('ALLOW_EMPTY') != "1":
			bb.note("Not creating empty RPM package for %s" % splitname)
		else:
			spec_files_bottom.append('%%files -n %s' % splitname)
			spec_files_bottom.append('%defattr(-,-,-,-)')
			if file_list:
				bb.note("Creating RPM package for %s" % splitname)
				spec_files_bottom.extend(file_list)
			else:
				bb.note("Creating EMPTY RPM Package for %s" % splitname)
			spec_files_bottom.append('')

		del localdata
		bb.utils.unlockfile(lf)

	spec_preamble_top.append('Summary: %s' % srcsummary)
	spec_preamble_top.append('Name: %s' % srcname)
	spec_preamble_top.append('Version: %s' % srcversion)
	spec_preamble_top.append('Release: %s' % srcrelease)
	if srcepoch and srcepoch.strip() != "":
		spec_preamble_top.append('Epoch: %s' % srcepoch)
	spec_preamble_top.append('License: %s' % srclicense)
	spec_preamble_top.append('Group: %s' % srcsection)
	spec_preamble_top.append('Packager: %s' % srcmaintainer)
	spec_preamble_top.append('URL: %s' % srchomepage)

	# Replaces == Obsoletes && Provides
	if srcrreplaces and srcrreplaces.strip() != "":
		for dep in srcrreplaces.split(','):
			if srcrprovides:
				srcrprovides = srcrprovides + ", " + dep
			else:
				srcrprovides = dep
			if srcrobsoletes:
				srcrobsoletes = srcrobsoletes + ", " + dep
			else:
				srcrobsoletes = dep

	print_deps(srcdepends,		"BuildRequires", spec_preamble_top, d)
	print_deps(srcrdepends,		"Requires", spec_preamble_top, d)
	# Suggests in RPM are like recommends in OE-core!
	print_deps(srcrrecommends,	"Suggests", spec_preamble_top, d)
	# While there is no analog for suggests... (So call them recommends for now)
	print_deps(srcrsuggests, 	"Recommends", spec_preamble_top, d)
	print_deps(srcrprovides, 	"Provides", spec_preamble_top, d)
	print_deps(srcrobsoletes, 	"Obsoletes", spec_preamble_top, d)

	# conflicts can not be in a provide!  We will need to filter it.
	if srcrconflicts:
		depends_dict = bb.utils.explode_dep_versions(srcrconflicts)
		newdeps_dict = {}
		for dep in depends_dict:
			if dep not in srcrprovides:
				newdeps_dict[dep] = depends_dict[dep]
		if newdeps_dict:
			srcrconflicts = bb.utils.join_deps(newdeps_dict)
		else:
			srcrconflicts = ""

	print_deps(srcrconflicts, 	"Conflicts", spec_preamble_top, d)

	spec_preamble_top.append('')

	spec_preamble_top.append('%description')
	dedent_text = textwrap.dedent(srcdescription).strip()
	spec_preamble_top.append('%s' % textwrap.fill(dedent_text, width=75))

	spec_preamble_top.append('')

	if srcpreinst:
		spec_scriptlets_top.append('%pre')
		spec_scriptlets_top.append('# %s - preinst' % srcname)
		spec_scriptlets_top.append(srcpreinst)
		spec_scriptlets_top.append('')
	if srcpostinst:
		spec_scriptlets_top.append('%post')
		spec_scriptlets_top.append('# %s - postinst' % srcname)
		spec_scriptlets_top.append(srcpostinst)
		spec_scriptlets_top.append('')
	if srcprerm:
		spec_scriptlets_top.append('%preun')
		spec_scriptlets_top.append('# %s - prerm' % srcname)
		scriptvar = wrap_uninstall(srcprerm)
		spec_scriptlets_top.append(scriptvar)
		spec_scriptlets_top.append('')
	if srcpostrm:
		spec_scriptlets_top.append('%postun')
		spec_scriptlets_top.append('# %s - postrm' % srcname)
		scriptvar = wrap_uninstall(srcpostrm)
		spec_scriptlets_top.append(scriptvar)
		spec_scriptlets_top.append('')

	# Write the SPEC file
	try:
		from __builtin__ import file
		specfile = file(outspecfile, 'w')
	except OSError:
		raise bb.build.FuncFailed("unable to open spec file for writing.")

	# RPMSPEC_PREAMBLE is a way to add arbitrary text to the top
	# of the generated spec file
	external_preamble = d.getVar("RPMSPEC_PREAMBLE", True)
	if external_preamble:
		specfile.write(external_preamble + "\n")

	for line in spec_preamble_top:
		specfile.write(line + "\n")

	for line in spec_preamble_bottom:
		specfile.write(line + "\n")

	for line in spec_scriptlets_top:
		specfile.write(line + "\n")

	for line in spec_scriptlets_bottom:
		specfile.write(line + "\n")

	for line in spec_files_top:
		specfile.write(line + "\n")

	for line in spec_files_bottom:
		specfile.write(line + "\n")

	specfile.close()
}

python do_package_rpm () {
	import os

	# We need a simple way to remove the MLPREFIX from the package name,
	# and dependency information...
	def strip_multilib(name, d):
		ml = d.getVar("MLPREFIX", True)
		if ml and name and len(ml) != 0 and name.find(ml) >= 0:
			return "".join(name.split(ml))
		return name

	workdir = d.getVar('WORKDIR', True)
	outdir = d.getVar('DEPLOY_DIR_IPK', True)
	tmpdir = d.getVar('TMPDIR', True)
	pkgd = d.getVar('PKGD', True)
	pkgdest = d.getVar('PKGDEST', True)
	if not workdir or not outdir or not pkgd or not tmpdir:
		bb.error("Variables incorrectly set, unable to package")
		return

	packages = d.getVar('PACKAGES', True)
	if not packages or packages == '':
		bb.debug(1, "No packages; nothing to do")
		return

	# Construct the spec file...
	srcname    = strip_multilib(d.getVar('PN', True), d)
	outspecfile = workdir + "/" + srcname + ".spec"
	d.setVar('OUTSPECFILE', outspecfile)
	bb.build.exec_func('write_specfile', d)

	# Construct per file dependencies file
	def dump_filerdeps(varname, outfile, d):
		outfile.write("#!/bin/sh\n")
		outfile.write("\n# Dependency table\n")
		for pkg in packages.split():
			dependsflist_key = 'FILE' + varname + 'FLIST' + "_" + pkg
			dependsflist = (d.getVar(dependsflist_key, True) or "")
			for dfile in dependsflist.split():
				key = "FILE" + varname + "_" + dfile + "_" + pkg
				depends_dict = bb.utils.explode_dep_versions(d.getVar(key, True) or "")
				file = dfile.replace("@underscore@", "_")
				file = file.replace("@closebrace@", "]")
				file = file.replace("@openbrace@", "[")
				file = file.replace("@tab@", "\t")
				file = file.replace("@space@", " ")
				file = file.replace("@at@", "@")
				outfile.write("#" + pkgd + file + "\t")
				for dep in depends_dict:
					ver = depends_dict[dep]
					if dep and ver:
						ver = ver.replace("(","")
						ver = ver.replace(")","")
						outfile.write(dep + " " + ver + " ")
					else:
						outfile.write(dep + " ")
				outfile.write("\n")
		outfile.write("\n\nwhile read file_name ; do\n")
		outfile.write("\tlength=$(echo \"#${file_name}\t\" | wc -c )\n")
		outfile.write("\tline=$(grep \"^#${file_name}\t\" $0 | cut -c ${length}- )\n")
		outfile.write("\tprintf \"%s\\n\" ${line}\n")
		outfile.write("done\n")

	# OE-core dependencies a.k.a. RPM requires
	outdepends = workdir + "/" + srcname + ".requires"

	try:
		from __builtin__ import file
		dependsfile = file(outdepends, 'w')
	except OSError:
		raise bb.build.FuncFailed("unable to open spec file for writing.")

	dump_filerdeps('RDEPENDS', dependsfile, d)

	dependsfile.close()
	os.chmod(outdepends, 0755)

	# OE-core / RPM Provides
	outprovides = workdir + "/" + srcname + ".provides"

	try:
		from __builtin__ import file
		providesfile = file(outprovides, 'w')
	except OSError:
		raise bb.build.FuncFailed("unable to open spec file for writing.")

	dump_filerdeps('RPROVIDES', providesfile, d)

	providesfile.close()
	os.chmod(outprovides, 0755)

	# Setup the rpmbuild arguments...
	rpmbuild = d.getVar('RPMBUILD', True)
	targetsys = d.getVar('TARGET_SYS', True)
	targetvendor = d.getVar('TARGET_VENDOR', True)
	package_arch = d.getVar('PACKAGE_ARCH', True) or ""
	if package_arch not in "all any noarch".split():
		ml_prefix = (d.getVar('MLPREFIX', True) or "").replace("-", "_")
		d.setVar('PACKAGE_ARCH_EXTEND', ml_prefix + package_arch)
	else:
		d.setVar('PACKAGE_ARCH_EXTEND', package_arch)
	pkgwritedir = bb.data.expand('${PKGWRITEDIRRPM}/${PACKAGE_ARCH_EXTEND}', d)
	pkgarch = bb.data.expand('${PACKAGE_ARCH_EXTEND}${TARGET_VENDOR}-${TARGET_OS}', d)
	magicfile = bb.data.expand('${STAGING_DIR_NATIVE}${datadir_native}/misc/magic.mgc', d)
	bb.mkdirhier(pkgwritedir)
	os.chmod(pkgwritedir, 0755)

	cmd = rpmbuild
	cmd = cmd + " --nodeps --short-circuit --target " + pkgarch + " --buildroot " + pkgd
	cmd = cmd + " --define '_topdir " + workdir + "' --define '_rpmdir " + pkgwritedir + "'"
	cmd = cmd + " --define '_build_name_fmt %%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm'"
	cmd = cmd + " --define '_use_internal_dependency_generator 0'"
	cmd = cmd + " --define '__find_requires " + outdepends + "'"
	cmd = cmd + " --define '__find_provides " + outprovides + "'"
	cmd = cmd + " --define '_unpackaged_files_terminate_build 0'"
	cmd = cmd + " --define 'debug_package %{nil}'"
	cmd = cmd + " --define '_rpmfc_magic_path " + magicfile + "'"
	cmd = cmd + " --define '_tmppath " + workdir + "'"
	cmd = cmd + " -bb " + outspecfile

	# Build the rpm package!
	d.setVar('BUILDSPEC', cmd + "\n")
	d.setVarFlag('BUILDSPEC', 'func', '1')
	bb.build.exec_func('BUILDSPEC', d)
}

python () {
    if d.getVar('PACKAGES', True) != '':
        deps = ' rpm-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
        d.appendVarFlag('do_package_write_rpm', 'depends', deps)
        d.setVarFlag('do_package_write_rpm', 'fakeroot', 1)
        d.setVarFlag('do_package_write_rpm_setscene', 'fakeroot', 1)
}

SSTATETASKS += "do_package_write_rpm"
do_package_write_rpm[sstate-name] = "deploy-rpm"
do_package_write_rpm[sstate-inputdirs] = "${PKGWRITEDIRRPM}"
do_package_write_rpm[sstate-outputdirs] = "${DEPLOY_DIR_RPM}"
# Take a shared lock, we can write multiple packages at the same time...
# but we need to stop the rootfs/solver from running while we do...
do_package_write_rpm[sstate-lockfile-shared] += "${DEPLOY_DIR_RPM}/rpm.lock"

python do_package_write_rpm_setscene () {
	sstate_setscene(d)
}
addtask do_package_write_rpm_setscene

python do_package_write_rpm () {
	bb.build.exec_func("read_subpackage_metadata", d)
	bb.build.exec_func("do_package_rpm", d)
}

do_package_write_rpm[dirs] = "${PKGWRITEDIRRPM}"
addtask package_write_rpm before do_package_write after do_package

PACKAGEINDEXES += "package_update_index_rpm; createrepo ${DEPLOY_DIR_RPM};"
PACKAGEINDEXDEPS += "rpm-native:do_populate_sysroot"
PACKAGEINDEXDEPS += "createrepo-native:do_populate_sysroot"