# vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:

# increment this if you have made a change that should force a new kernel
# to build built
BUILD_GEN=1

DEVEL_KERNEL_TYPE="source"

prepare_and_build_srpm() {

    pushd $TOPDIR >/dev/null
    # seems there is a bug (on Ubuntu at least) where all of the .specs
    # are not put into SPECS
    mv SOURCES/*.spec SPECS/

    # generate our buildid
    local buildid="lustre${EXTRA_VERSION##*_lustre}"

    # edit the SPECs with our changes
    local spec
    for spec in $RPMSMPTYPE source; do
        #cp $TOPDIR/SPECS/kernel-$spec.spec{,.orig}
        sed -i -e 's/^\(Name:.*kernel-\)\(.*\)/\1lustre-\2/' \
               -e "s/^Release:.*/&_${buildid}/" \
               -e "/^Provides:  *kernel = /a\
Provides:       kernel-$spec = %{version}-%{release}
" \
               -e "s/^ExclusiveArch:.*/& ppc ppc64/" \
               -e '/^# Apply the patches needed for this architecture\./a\
cp  %_sourcedir/linux-2.6.16-lustre.patch %_builddir/%{name}-%{version}/lustre.patch\
! grep -q lustre.patch %_sourcedir/series.conf && echo -e "\\n\\tlustre.patch" >> %_sourcedir/series.conf' \
               -e "/flavor=\${config/a\
    [ \"\$flavor\" == \"$RPMSMPTYPE\" ] || continue" \
               -e 's/\(.*\)\([^#].*\)fookernel-source/\1\2kernel-lustre-source/g' \
               -e '/^%build/,/^%changelog/s/kernel-\({*\)source/kernel-\1lustre-source/g' \
          SPECS/kernel-${spec}.spec

    # XXX - a building-on-Ubuntu hack
    if grep -q "Ubuntu" /etc/issue; then
        sed -i -e '/^%_sourcedir\/install-configs %_sourcedir .*/i\
curl ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm1/broken-out/i386-use-c-code-for-current_thread_info.patch | patch -p1' \
               -e 's/^\(BuildRequires: .*\)$/#NOU \1/g' \
               -e 's/%(\(chmod .*\))$/%(bash -c "\1")/' \
               -e 's/ -a 109//' \
          SPECS/kernel-${spec}.spec
     fi
done

    # XXX - need to flesh this out per the rhel5 method
    local targets
    for arch in $BUILD_ARCHS; do
        targets="--target $arch $targets"
        mkdir -p config/$(basearch $arch)
        cp $CONFIG_FILE config/$(basearch $arch)/$RPMSMPTYPE
    done

    tar cjf SOURCES/config.tar.bz2 config
    rm -rf config

    # do we need any special rpm build options
    local rpmbuildopt="-bb"
    if $DO_SRC; then
        rpmbuildopt="-ba"
    fi

    # XXX - ignore the kabi changes.  need to figure out what this is really
    #       all about.
    touch SOURCES/IGNORE-KABI-BADNESS


# XXX temp speedup hack
#if false; then
    # now build it
    if ! $RPMBUILD $rpmbuildopt $targets \
                   --define "_topdir $TOPDIR" \
                   $TOPDIR/SPECS/kernel-$RPMSMPTYPE.spec >&2; then
        fatal 1 "Failed to build kernel RPM"
    fi
#fi

    # for SLES10, we also need to build the kernel-source rpm
    if ! $RPMBUILD $rpmbuildopt $targets \
                   --define "_topdir $TOPDIR" \
                   $TOPDIR/SPECS/kernel-source.spec >&2; then
        fatal 1 "Failed to build kernel source RPM"
    fi

}

devel_kernel_name() {
    local lustre=${1:-false}

    if $lustre; then
        echo "kernel-lustre-$DEVEL_KERNEL_TYPE"
    else
        echo "kernel-$DEVEL_KERNEL_TYPE"
    fi

}

rpm_BUILD_kernel_dirname() {
    local rpmsmptype="$1"
    local lnxmaj="$2"
    local lnxmin="$3"
    local arch="$4"

    echo kernel-lustre-${rpmsmptype}-${lnxmaj}${lnxmin}/linux-${lnxmaj}
}