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#
# Populated ${STAGING} using packages
#
# To use it add that line to conf/local.conf:
#
# INHERIT += "packaged-staging"
#


# BUGS:
# * does not distinguish between -native, -cross and other packages
# * is oblivious to CROSSDIR  
# * breaks when a recipe needs stuff from STAGING_DIR to be present during do_stage, broken behaviour IMO
# * same goes for CROSS_DIR

# TODO:
# * also make packages for CROSSDIR
# * also build a feed for native and cross packages 
# * make package detection a bit smarter (search for compatible archs)
# * make do_clean clean staging as well

# Summary:
# This class will have two modes of operation:
# LEETVARNAME1: repopulated staging from scratch for each packages
# LEETVARNAME2: append each package to staging

DEPLOY_DIR_PSTAGE 	= "${DEPLOY_DIR}/pstage" 

PSTAGE_BUILD_CMD        = "${IPKGBUILDCMD}"
PSTAGE_INSTALL_CMD      = "ipkg-cl install -force-depends -f ${DEPLOY_DIR_PSTAGE}/ipkg.conf -o "
PSTAGE_UPDATE_CMD	= "ipkg-cl update -f ${DEPLOY_DIR_PSTAGE}/ipkg.conf -o "
PSTAGE_PKGNAME 		= "staging-${PN}_${PV}-${PR}_${PACKAGE_ARCH}.ipk"
PCROSS_PKGNAME		= "cross-${PN}_${PV}-${PR}_${BUILD_ARCH}.ipk"

SPAWNFILE 		= "${STAGING_DIR}/pkgmaps/${P}-${PR}.spawn"
SPAWNIPK                = ${spawn}

STAGING_BASEDIR		= "${STAGING_LIBDIR}/.."

PACKAGEFUNCS += "do_write_ipk_list"

python do_write_ipk_list () {
        import os, sys
        ipkdir = bb.data.getVar('DEPLOY_DIR_IPK', d, 1)
        stagingdir = bb.data.getVar('STAGING_DIR', d, 1)
        tmpdir = bb.data.getVar('TMPDIR', d, 1)
        p = bb.data.getVar('P', d, 1)
        pr = bb.data.getVar('PR', d, 1)

        packages = bb.data.getVar('PACKAGES', d, 1)
        if not packages:
                bb.debug(1, "PACKAGES not defined, nothing to package")
                return

        if packages == []:
                bb.debug(1, "No packages; nothing to do")
                return

        # Generate ipk.conf if it or the stamp doesnt exist
        listfile = os.path.join(stagingdir,"pkgmaps","%s-%s.spawn" %  ( p , pr ))
        os.system('mkdir -p ' + stagingdir + '/pkgmaps')
        if not os.access(listfile, os.R_OK):
                os.system('rm -f ' + listfile)
                f = open(listfile,"w")
                for spawn in packages.split():
                        #check if the packagename has changed due to debian shlib renaming
                        localdata = bb.data.createCopy(d)
                        pkgname = bb.data.getVar('PKG_%s' % spawn, localdata, 1)
                        if not pkgname:
                                pkgname = spawn
                        f.write("%s\n" % pkgname)
                f.close()
}


do_clean_append() {
        """clear the build and temp directories"""
        stagepkg = bb.data.expand("${DEPLOY_DIR_PSTAGE}/${PSTAGE_PKGNAME}", d)
        if stagepkg == '//': raise bb.build.FuncFailed("wrong DATADIR")
        bb.note("removing " + stagepkg)
        os.system('rm -rf ' + stagepkg)
}


do_stage_prepend() {

#detect aborted staging attempts
if [ -e ${TMPDIR}/moved-staging ]; then
        oenote "Detected a moved staging, moving it back"
	rm -rf ${STAGING_DIR} && mv ${TMPDIR}/pstage ${STAGING_DIR} && rm ${TMPDIR}/moved-staging
fi

#detect aborted staging attempts into cross/
if [ -e ${TMPDIR}/moved-cross ]; then
        oenote "Detected a moved cross/, moving it back"
        rm -rf ${CROSS_DIR} && mv ${TMPDIR}/pcross ${CROSS_DIR} && rm ${TMPDIR}/moved-cross
fi



if [ ! -e ${STAGING_BASEDIR} ]; then
	mkdir -p ${STAGING_BASEDIR}
fi

if [ ! -e ${DEPLOY_DIR_PSTAGE} ]; then
	mkdir -p ${DEPLOY_DIR_PSTAGE}
fi

if [ -e ${STAGING_BASEDIR}/usr ]; then
        oenote "${STAGING_BASEDIR}/usr already present, leaving it alone"
else
	oenote "${STAGING_BASEDIR}/usr not present, symlinking it"
	ln -s ${STAGING_BASEDIR}/ ${STAGING_BASEDIR}/usr
fi

#assemble appropriate ipkg.conf
if [ -e ${DEPLOY_DIR_PSTAGE}/ipkg.conf ]; then
        rm ${DEPLOY_DIR_PSTAGE}/ipkg.conf
fi

ipkgarchs="${BUILD_ARCH} all any noarch ${TARGET_ARCH} ${IPKG_ARCHS} ${IPKG_EXTRA_ARCHS} ${MACHINE}"
    priority=1
    for arch in $ipkgarchs; do
      echo "arch $arch $priority" >> ${DEPLOY_DIR_PSTAGE}/ipkg.conf
      priority=$(expr $priority + 5)
    done
echo "src oe file:${DEPLOY_DIR_IPK}" >> ${DEPLOY_DIR_PSTAGE}/ipkg.conf 
export OLD_PWD=`pwd`
cd ${DEPLOY_DIR_IPK} && rm *${BUILD_ARCH}.ipk -f ; ipkg-make-index -p Packages . ; cd ${OLD_PWD}
${PSTAGE_UPDATE_CMD} ${STAGING_BASEDIR}

#blacklist packages poking in staging *and* cross
if [ ${PN} != "linux-libc-headers" ] ; then
	#check for generated packages
	if [ -e ${SPAWNFILE} ]; then
        	oenote "List of spawned packages found: ${P}.spawn"
        	for spawn in `cat ${SPAWNFILE} | grep -v locale` ; do \
			if [ -e ${DEPLOY_DIR_IPK}/${spawn}_* ]; then
               	 		${PSTAGE_INSTALL_CMD} ${STAGING_BASEDIR} ${spawn}          
				# clean up .la files to avoid having references to the builddirs in the binaries
				for lafile in ${STAGING_LIBDIR}/*.la ; do \
					sed -i s:installed=yes:installed=no:g ${lafile}
				done
			else
				oenote "${spawn} not found, probably empty package"
			fi
        	done
        	exit 0
	else
		oenote "Spawn file not found!"
	fi
fi #if ${PN}


if [ ${PN} != "glibc-intermediate" ] ; then

        if [ -e ${DEPLOY_DIR_PSTAGE}/${PCROSS_PKGNAME} ]; then
                oenote "Cross stuff already packaged, using that instead"
                ${PSTAGE_INSTALL_CMD} ${CROSS_DIR}  ${DEPLOY_DIR_PSTAGE}/${PCROSS_PKGNAME}
        fi

	if [ -e ${DEPLOY_DIR_PSTAGE}/${PSTAGE_PKGNAME} ]; then
		oenote "Staging stuff already packaged, using that instead"
		${PSTAGE_INSTALL_CMD} ${STAGING_DIR}  ${DEPLOY_DIR_PSTAGE}/${PSTAGE_PKGNAME}
		exit 0      
	fi

	touch ${TMPDIR}/moved-staging
	mv ${STAGING_DIR} ${TMPDIR}/pstage

	if [ -e ${CROSS_DIR} ]; then
		mv ${CROSS_DIR} ${TMPDIR}/pcross
		touch ${TMPDIR}/moved-cross
	fi

	mkdir -p ${STAGING_BINDIR}
	mkdir -p ${STAGING_LIBDIR}
	mkdir -p ${STAGING_INCDIR}
	mkdir -p ${STAGING_DATADIR}/aclocal
else	
	oenote "Glibc-intermediate detected!"
fi #if !glibc intermediate
}

do_stage_append() {

if [ ${PN} != "glibc-intermediate" ] ; then
	mkdir -p ${DEPLOY_DIR_PSTAGE}

	#make a package for staging
	mkdir -p ${STAGING_DIR}/CONTROL

	echo "Package: staging-${PN}"           >  ${STAGING_DIR}/CONTROL/control
	echo "Version: ${PV}-${PR}"             >> ${STAGING_DIR}/CONTROL/control
	echo "Description: ${DESCRIPTION}"      >> ${STAGING_DIR}/CONTROL/control
	echo "Section: ${SECTION}"              >> ${STAGING_DIR}/CONTROL/control
	echo "Priority: Optional"               >> ${STAGING_DIR}/CONTROL/control
	echo "Maintainer: ${MAINTAINER}"        >> ${STAGING_DIR}/CONTROL/control
	echo "Architecture: ${PACKAGE_ARCH}"    >> ${STAGING_DIR}/CONTROL/control
	echo "Source: ${SRC_URI}"               >> ${STAGING_DIR}/CONTROL/control

        ${PSTAGE_BUILD_CMD} ${STAGING_DIR} ${DEPLOY_DIR_PSTAGE}
        rm -rf ${STAGING_DIR}


	#make a package for cross
	if [ -e ${CROSS_DIR} ] ; then
	        mkdir -p ${CROSS_DIR}/CONTROL

	        echo "Package: cross-${PN}"           	>  ${CROSS_DIR}/CONTROL/control
	        echo "Version: ${PV}-${PR}"             >> ${CROSS_DIR}/CONTROL/control
	        echo "Description: ${DESCRIPTION}"      >> ${CROSS_DIR}/CONTROL/control
	        echo "Section: ${SECTION}"              >> ${CROSS_DIR}/CONTROL/control
	        echo "Priority: Optional"               >> ${CROSS_DIR}/CONTROL/control
	        echo "Maintainer: ${MAINTAINER}"        >> ${CROSS_DIR}/CONTROL/control
	        echo "Architecture: ${BUILD_ARCH}"    	>> ${CROSS_DIR}/CONTROL/control
	        echo "Source: ${SRC_URI}"               >> ${CROSS_DIR}/CONTROL/control
	
		${PSTAGE_BUILD_CMD} ${CROSS_DIR} ${DEPLOY_DIR_PSTAGE}

		if [ -e ${TMPDIR}/pcross ] ; then  
			rm -rf ${CROSS_DIR}
		        mv ${TMPDIR}/pcross ${CROSS_DIR}
			rm ${TMPDIR}/moved-cross
		fi

		${PSTAGE_INSTALL_CMD} ${STAGING_DIR}  ${DEPLOY_DIR_PSTAGE}/${PCROSS_PKGNAME}
	fi # if -e CROSS_DIR

	#move back stagingdir so we can install packages   
	mv ${TMPDIR}/pstage ${STAGING_DIR}
	rm ${TMPDIR}/moved-staging

	${PSTAGE_INSTALL_CMD} ${STAGING_DIR}  ${DEPLOY_DIR_PSTAGE}/${PSTAGE_PKGNAME}
else
	oenote "Glibc-intermediate detected (again)"
fi #if !glibc-intermediate
}