# 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 for this distribution (only -- if you want to force a kernel
# build on all distributions, update the BUILD_GEN variable in build/lbuild)
BUILD_GEN+=".0"

# This distro does not support zfs, so define WITH_ZFS
# use words that make the bash log readable.
WITH_ZFS="Zfs Not Supported"

source ${LBUILD_DIR}/lbuild-sles

kernel_srpm_location() {

    local site
    case $lnxmaj in
    3.12)
	site="http://mgmt/cobbler/repo_mirror/updates-sles12.1-src"
	;;
    4.4)
	site="http://mgmt/cobbler/repo_mirror/updates-sles12.2-src"
	;;
    esac
    echo "$site/src/"

}

edit_specs() {

    # edit the SPECs with our changes
    local spec
    (cd $TOPDIR/SOURCES; ./mkspec --release ${lnxrel})
    for spec in $RPMSMPTYPE source syms; do
        #cp $TOPDIR/SOURCES/kernel-$spec.spec{,.orig}
	case $lnxmaj in
	4.4)
        sed -i -e "s/^\(Release: *\).*$/\1${lnxrel}_${buildid}/" \
               -e '/^%setup /a\
cp  %_sourcedir/linux-4.4-lustre.patch %_builddir/%{name}-%{version}/lustre.patch\
! grep -q lustre.patch %_sourcedir/series.conf && echo -e "\\n\\tlustre.patch" >> %_sourcedir/series.conf' \
          SOURCES/kernel-${spec}.spec || \
            fatal 1 "Error while editing SOURCES/kernel-${spec}.spec"
	;;
	3.12)
        sed -i -e "s/^\(Release: *\).*$/\1${lnxrel}_${buildid}/" \
               -e '/^%setup /a\
cp  %_sourcedir/linux-3.12-lustre.patch %_builddir/%{name}-%{version}/lustre.patch\
! grep -q lustre.patch %_sourcedir/series.conf && echo -e "\\n\\tlustre.patch" >> %_sourcedir/series.conf' \
          SOURCES/kernel-${spec}.spec || \
            fatal 1 "Error while editing SOURCES/kernel-${spec}.spec"
	;;
	esac

        if $KERNEL_LUSTRE_NAMING; then
            # these are all of the changes needed because we change the package names
            # to kernel-lustre-*.  these should all go away when we stop this insanity
            sed -i -e 's/^\(Name:.*kernel-\)\(.*\)/\1lustre-\2/' \
                   -e "/^Provides:  *kernel = /a\
Provides:       kernel-$spec = %{version}-%{release}
" \
                   -e 's/^\([ 	][ 	]*-i %_builddir\/kernel-\)\(source-2.6.27.21\/\$patch; then\)/\1lustre-\2/' \
                   -e '/^%build/,/^%changelog/s/\(kernel-\)\(source\.files\)/\1lustre-\2/g' \
                   -e '/--no-backup-if-mismatch/,/fi/s/kernel-source-/kernel-lustre-source-/g' \
                   -e "s/^\(%package -n kernel-\)\(.*\)/\1lustre-\2/" \
                   -e "s/^\(%description -n kernel-\)\(.*\)/\1lustre-\2/" \
                   -e "s/^\(%files -n kernel-\)\(.*\)/\1lustre-\2/" \
                   -e "s/^\(Provides:.*kernel-\)\(.*\)/\1lustre-\2/" \
                   -e "s/^\(Requires:.*kernel-\)\(.*\)/\1lustre-\2/" \
                   -e "s/^\(Supplements:.*kernel-\)\(.*\)/\1lustre-\2/" \
                SOURCES/kernel-${spec}.spec || \
                fatal 1 "Error while editing SOURCES/kernel-${spec}.spec"
        fi

        # 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/%(\(chmod .*\))$/%(bash -c "\1")/' \
                   -e 's/ -a 109//' \
              SOURCES/kernel-${spec}.spec || \
            fatal 1 "Error while editing SOURCES/kernel-${spec}.spec"
        fi
    done
}

unpack_linux_devel_rpm-sles12() {
    local callers_rpm="$1"

    local rpmdir="${callers_rpm%/*}"

    local kernelrpm
    local wanted_kernel="${lnxmaj}${lnxmin}-${lnxrel}"

    # this is a hack that should go away when the modified lustre kernel
    # Provides kernel-default-devel                       vvvvvvvvv
    if ! kernelrpm=$(find_rpm "$rpmdir" provides "^kernel-(lustre-)?default-devel = $wanted_kernel"); then
        fatal 1 "Could not find the kernel-default-devel in $rpmdir/"
    fi

    if ! rpm2cpio < "$rpmdir/$kernelrpm" | cpio -id > /dev/null 2>&1; then
        fatal 1 "Unpack error for $kernelrpm"
    fi

    if [ -d "${rpmdir}/../noarch" ]; then
	rpmdir="${rpmdir%/*}"
	rpmdir="${rpmdir}/noarch"
    fi

    if ! kernelrpm=$(find_rpm "$rpmdir" provides "^kernel-(lustre-)?devel = $wanted_kernel"); then
        fatal 1 "Could not find the kernel-devel in $rpmdir/"
    fi

    if ! rpm2cpio < "$rpmdir/$kernelrpm" | cpio -id > /dev/null 2>&1; then
        fatal 1 "Unpack error for $kernelrpm"
    fi

    # SLES also needs the kernel-source together with the kernel-default-devel
    if ! kernelrpm=$(find_rpm "$rpmdir" provides "^kernel-source = $wanted_kernel"); then
        fatal 1 "Could not find the kernel-source in $rpmdir/"
    fi

    if ! rpm2cpio < "$rpmdir/$kernelrpm" | cpio -id > /dev/null 2>&1; then
        fatal 1 "Unpack error for $kernelrpm"
    fi

}

find_linux_rpm-sles12() {
    local prefix="$1"
    local wanted_kernel="$2"
    local pathtorpms=${3:-"$KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH"}

    local site
    case $lnxmaj in
    3.12)
	site="http://mgmt/cobbler/repo_mirror/updates-sles12.1-x86_64"
	;;
    4.4)
	site="http://mgmt/cobbler/repo_mirror/updates-sles12.2-x86_64"
	;;
    esac
    if [ ! -f $pathtorpms/kernel-default-devel-$wanted_kernel.$(resolve_arch $TARGET_ARCH).rpm ]; then
        fetch_url "$site/x86_64/kernel-default-devel-$wanted_kernel.$(resolve_arch $TARGET_ARCH).rpm" $pathtorpms
    fi
    # SLES 12 also needs kernel-devel in addition to kernel-default-devel
    if [ ! -f $pathtorpms/kernel-devel-$wanted_kernel.noarch.rpm ]; then
        fetch_url "$site/noarch/kernel-devel-$wanted_kernel.noarch.rpm" $pathtorpms
    fi
    # SLES also needs the kernel-source along with kernel-devel
    if [ ! -f $pathtorpms/kernel-source-$wanted_kernel.noarch.rpm ]; then
        fetch_url "$site/noarch/kernel-source-$wanted_kernel.noarch.rpm" $pathtorpms
    fi
    echo "kernel-default-devel-$wanted_kernel.$(resolve_arch $TARGET_ARCH).rpm"

    return 0

}