#!/bin/sh

PROG=$0

pkgcfg=/etc/sysconfig/lustre

while getopts "n:v:c:f:" opt; do
	case $opt in
		n) pkgname=$OPTARG ;;
		v) pkgver=$OPTARG  ;;
		c) pkgcfg=$OPTARG ;;
		f) filename=$OPTARG ;;
	esac
done

if [ -z "${pkgname}" -o -z "${pkgver}" -o -z "${filename}" ]; then
	echo "Usage: $PROG -n <pkgname> -v <pkgver> -c <pkgcfg> -f <filename>"
	exit 1
fi

rpm -qa | grep krb5-devel >/dev/null
if [ $? == 0 ] ; then
	GSS="--enable-gss"
else
	GSS="--disable-gss"
fi

cat >${filename} <<EOF
PACKAGE_NAME="${pkgname}"
PACKAGE_VERSION="${pkgver}"
PACKAGE_CONFIG="${pkgcfg}"
EOF
if [ $pkgname = "lustre" ] ; then
	cat >>${filename} <<EOF
SPL_VERSION=\$(dkms status -m spl -k \${kernelver}/\${arch} | awk -F', ' '{print \$2; exit 0}' | sed 's/: added\$//')
ZFS_VERSION=\$(dkms status -m zfs -k \${kernelver}/\${arch} | awk -F', ' '{print \$2; exit 0}' | sed 's/: added\$//')
EOF
fi
cat >>${filename} <<EOF
# allow to re-evaluate krb5-devel presence during dkms re-adds and to re-create dkms.conf
# accordingly!
POST_ADD="lustre-dkms_post-add.sh \$module \$module_version \$kernelver \$kernel_source_dir \
	 \$arch \$source_tree \$dkms_tree"
PRE_BUILD="configure
  --prefix=/usr
  --with-linux=\${kernel_source_dir}
  --with-linux-obj=\${kernel_source_dir}
  --enable-modules
EOF
if [ $pkgname = "lustre-client" ] ; then
	cat >>${filename} <<EOF
  --disable-server
EOF
else
	cat >>${filename} <<EOF
  --enable-server
  --with-spl=\${source_tree}/spl-\${SPL_VERSION}
  --with-spl-obj=\${dkms_tree}/spl/\${SPL_VERSION}/\${kernelver}/\${arch}
  --with-zfs=\${source_tree}/zfs-\${ZFS_VERSION}
  --with-zfs-obj=\${dkms_tree}/zfs/\${ZFS_VERSION}/\${kernelver}/\${arch}
  --disable-ldiskfs
EOF
fi
cat >>${filename} <<EOF
  --disable-iokit
  --disable-snmp
  --disable-doc
  --disable-utils
  $GSS
  --disable-tests
  --disable-maintainer-mode
  --disable-manpages
  --disable-dlc
  \$(
    [[ -r \${PACKAGE_CONFIG} ]] \\
    && source \${PACKAGE_CONFIG} \\
    && shopt -q -s extglob \\
    && \\
    {
      if [[ \${LUSTRE_DKMS_DISABLE_CDEBUG,,} == @(y|yes) ]]
      then
        echo --disable-libcfs-cdebug
      fi
      if [[ \${LUSTRE_DKMS_DISABLE_TRACE,,} == @(y|yes) ]]
      then
        echo --disable-libcfs-trace
      fi
      if [[ \${LUSTRE_DKMS_DISABLE_ASSERT,,} == @(y|yes) ]]
      then
        echo --disable-libcfs-assert
      fi
    }
  )
"
EOF
if [ $pkgname = "lustre" ] ; then
	cat >>${filename} <<EOF
BUILD_DEPENDS[0]="zfs"
EOF
fi
cat >>${filename} <<EOF
AUTOINSTALL="yes"
REMAKE_INITRD="no"
MAKE[0]="make"
# just have to set STRIP[0], it will become the new default.
STRIP[0]="\$(
  [[ -r \${PACKAGE_CONFIG} ]] \\
  && source \${PACKAGE_CONFIG} \\
  && shopt -q -s extglob \\
  && [[ \${LUSTRE_DKMS_DISABLE_STRIP,,} == @(y|yes) ]] \\
  && echo -n no
)"

# Common modules for both Client & Server
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lnet_selftest"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lnet/selftest/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lnet/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lnet"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lnet/lnet/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lnet/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ksocklnd"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lnet/klnds/socklnd/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lnet/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ko2iblnd"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lnet/klnds/o2iblnd/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lnet/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="libcfs"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="libcfs/libcfs/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ptlrpc"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/ptlrpc/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lov"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/lov/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="fld"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/fld/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="obdecho"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/obdecho/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="osc"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/osc/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="mgc"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/mgc/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="llite_lloop"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/llite/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="fid"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/fid/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="mdc"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/mdc/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="obdclass"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/obdclass/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lmv"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/lmv/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lustre"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/llite/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
EOF
if [ $GSS = "--enable-gss" ] ; then
	cat >>${filename} <<EOF
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ptlrpc_gss"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/ptlrpc/gss/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
EOF
fi
if [ $pkgname = "lustre" ] ; then
	cat >>${filename} <<EOF
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ofd"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/ofd/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="ost"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/ost/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lfsck"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/lfsck/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="osd_zfs"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/osd-zfs/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="mgs"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/mgs/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lquota"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/quota/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="mdt"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/mdt/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="osp"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/osp/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="mdd"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/mdd/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="llog_test"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/obdclass/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
BUILT_MODULE_NAME[\${#BUILT_MODULE_NAME[@]}]="lod"
BUILT_MODULE_LOCATION[\${#BUILT_MODULE_LOCATION[@]}]="lustre/lod/"
DEST_MODULE_LOCATION[\${#DEST_MODULE_LOCATION[@]}]="/@KMP_MODDIR@/lustre/"
EOF
fi