rpmextarm

#!/bin/bash
RPM2CPIO=`which rpm2cpio`
CPIO=`which cpio`

quit=0

if [ -z "${RPM2CPIO}" ]; then
    quit=1
    echo "rpm2cpio not found!"
fi

if [ -z "${CPIO}" ]; then
    quit=1
    echo "cpio not found!"
fi

if [ $# -lt 2 ]; then
    echo "Usage: $0 pkgname package0.rpm [package1.rpm] [package2.rpm]"
    quit=1
fi

if [ ${quit} = 1 ]; then
exit 1
fi

pkgname=$1

if [ ${pkgname##*.} = "rpm" ]; then
    echo "Wrong package name: ${pkgname}"
    quit=1
fi

if [ ${quit} = 1 ]
then
    exit 1
fi

shift

for pkg in $@
do
    if [ ${pkg##*.} != "rpm" ]; then
        echo "Skipping file ${pkg}..."
        continue
    fi
    echo "Extracting ${pkg}..."
    basename=`basename ${pkg}`
    name=
    version=
    for section in `echo ${basename} | tr - \ `
    do
        version=`echo ${section} | egrep -o -e "^[0-9]*[0-9.]*[0-9]*$"`
        if [ ! -z "${version}" -a "${version}" = "${section}" ]; then
            break;
        else
            if [ -z "${name}" ]; then
                name=${section}
            else
                name=${name}-${section}
            fi
        fi
    done

    absfilepath=$(cd $(dirname $pkg); find ${PWD} -name ${basename}; cd -)

    arch=$(echo ${name} | awk -F- '{print $1}')
    rpmdir=$(pwd)
    if [ ${arch} = "aarch64" -o ${arch} = "armv8l" -o ${arch} = "armv6k" -o ${arch} = "armv7a" -o ${arch} = "thumb2" -o ${arch} = "armv7-a" -o ${arch} = "armv7-a-hf" ]; then
        orig_arch=${arch}
        if [ ${arch} = "aarch64" ]; then
            arch=armv8-a
        elif [ ${arch} = "armv8l" ]; then
            arch=armv8l
        elif [ ${arch} = "thumb2" ]; then
            arch=armv7-a-hf
        elif [ ${arch} = "armv7a" ]; then
            arch=armv7-a
        elif [ ${arch} = "armv7-a" ]; then
            orig_arch=armv7a
        elif [ ${arch} = "armv7-a-hf" ]; then
            orig_arch=thumb2
        fi
        mkdir -p ${arch}/${pkgname}
        pkgdir=${rpmdir}/${arch}/${pkgname}
        cd ${pkgdir}
        if [ -e ${pkgdir}/usr ]; then
            mv ${pkgdir}/usr ${pkgdir}/prev_usr
        fi
        ${RPM2CPIO} ${absfilepath} | ${CPIO} -dmiv > /dev/null 2>&1
        mv usr tmp_usr
        cp -dpRf ${pkgdir}/tmp_usr/*/${orig_arch}/* ${rpmdir}/${arch}/${pkgname}
        rm -rf tmp_usr
        if [ -e ${pkgdir}/prev_usr ]; then
            if [ -e ${pkgdir}/usr ]; then
                cp -dpRf ${pkgdir}/prev_usr/* ${pkgdir}/usr/
                rm -rf ${pkgdir}/prev_usr
            else
                mv ${pkgdir}/prev_usr ${pkgdir}/usr
            fi
        fi
        find ${pkgdir} -name "pkgconfig" | xargs rm -rf
        find ${pkgdir} -name "doc" | xargs rm -rf
        find ${pkgdir} -name "aclocal" | xargs rm -rf
        if [ -e ${pkgdir}/usr/include ]; then
            cp -dpRf ${pkgdir}/usr/include ${pkgdir}/
            rm -rf ${pkgdir}/usr/include
        fi
        if [ -e ${pkgdir}/usr/share ]; then
            datadir=$(ls ${pkgdir}/usr/share)
            if [ -z "${datadir}" ]; then
                rm -rf ${pkgdir}/usr/share
            fi
        fi

        if [ -e ${pkgdir}/usr ]; then
            usrdir=$(ls ${pkgdir}/usr)
            if [ -z "${usrdir}" ]; then
                rm -rf ${pkgdir}/usr
            fi
        fi
        cd ${rpmdir}
    fi
done