+
+ echo "$found_rpm"
+ return $ret
+
+}
+
+# unpack kernel(/source/devel) RPM
+#
+# This function and it's setting of $LINUX and $LINUXOBJ is a total hack that
+# needs to completely refactored. It completely ingores that $BUILD_ARCHS may
+# contain a list of arches for which rpmbuild commands (including the one for
+# lustre itself)
+unpack_linux_devel_rpm() {
+ local kernelrpm="${1}"
+ # it's worth noting that neither sles10 nor rhel5 appear to use their
+ # extra_version delimiter for the dirname under /usr/src, so we could
+ # probably just get rid of this parameter
+ local delimiter=${2:-"-"}
+
+ [ -f "$kernelrpm" ] || return 255
+ [ -d $TOPDIR/reused ] || mkdir $TOPDIR/reused || return 255
+
+ pushd $TOPDIR/reused || return 255
+
+ if ! rpm2cpio < "$kernelrpm" | cpio -id > /dev/null 2>&1; then
+ return 255
+ fi
+
+ # call a distro specific hook, if available
+ if type -p unpack_linux_devel_rpm-$DISTRO; then
+ unpack_linux_devel_rpm-$DISTRO "$kernelrpm"
+ fi
+
+ popd
+
+ find_linux_devel_paths $TOPDIR/reused
+
+ return 0
+
+}
+
+# XXX - this rhel/sles goop needs abstracting out into the
+# lbuild-{rhel5,sles10} method files
+find_linux_devel_paths() {
+ local path="$1"
+
+ local RC=0
+
+ pushd $path
+ # RHEL-style and SLES-style rpms
+ # XXX - until bug 19336 cleans this up, we need to extricate the
+ # ${lnxmin}- from the $lnxrel
+ local paths="kernels/${lnxmaj}${lnxmin}${delimiter}${lnxrel}-${TARGET_ARCH} linux-${lnxmaj}${lnxmin}${delimiter}${lnxrel##${lnxmin#.}-}"
+
+ local path
+ for path in $paths; do
+ local src='usr/src'
+
+ if [ -d "$src/$path/" ]; then
+ LINUX="$(pwd)/$src/$path"
+ fi
+ # SLES has a separate -obj tree
+ if [ -d "$src/${path}-obj" ]; then
+ local src="$src/${path}-obj"
+ local objects="$TARGET_ARCH/$RPMSMPTYPE"
+
+ # Novell, are you *TRYING* to make life hard for me?
+ if [ -d "$src/powerpc" ]; then
+ objects="powerpc/$TARGET_ARCH"
+ elif [ $TARGET_ARCH == 'i686' ]; then
+ objects="i386/$RPMSMPTYPE"
+ fi
+
+ LINUXOBJ="$(pwd)/$src/$objects"
+ fi
+ done
+ if [ -z "$LINUX" ]; then
+ RC=255
+ else
+ # dig out the release version
+ LINUXRELEASE=$(find_linux_release ${LINUXOBJ:-$LINUX})
+ if [ -z "$LINUXRELEASE" ]; then
+ echo "Failed to find linux release in ${LINUXOBJ:-$LINUX}"
+ RC=255
+ fi
+ fi
+ popd
+ return $RC
+}
+
+build_kernel_ib() {
+ # build kernel-ib{,-devel}
+ # some I/B drivers are architecture dependent and kernel-ib's configure
+ # does not figure it out for us ~sigh~
+ local configure_options=""
+ case "$TARGET_ARCH" in
+ x86_64 | ia64)
+ configure_options="--with-ipath_inf-mod"
+ ;;
+ ppc64)
+ configure_options="--with-ipath_inf-mod --with-ehca-mod"
+ ;;
+ esac
+ local K_SRC="K_SRC"
+ # ofed 1.3 had a bug in the rpm spec
+ if [ "$OFED_VERSION" = "1.3" ]; then
+ K_SRC="KSRC"
+ fi
+ $RPMBUILD --rebuild --define 'build_kernel_ib 1' --define 'build_kernel_ib_devel 1' \
+ --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
+ --define "KVERSION ${LINUXRELEASE}" \
+ --define "$K_SRC ${LINUXOBJ:-${LINUX}}" \
+ --define "LIB_MOD_DIR /lib/modules/${LINUXRELEASE}/updates" \
+ --define "configure_options --without-quilt --with-core-mod --with-user_mad-mod --with-user_access-mod --with-addr_trans-mod --with-srp-target-mod --with-core-mod --with-mthca-mod --with-mlx4-mod --with-mlx4_en-mod --with-cxgb3-mod --with-nes-mod --with-ipoib-mod --with-sdp-mod --with-srp-mod --without-srp-target-mod --with-rds-mod --with-iser-mod --with-qlgc_vnic-mod --with-madeye-mod $configure_options" ${TOPDIR}/OFED/SRPMS/ofa_kernel-*.src.rpm
+
+ if [ ${PIPESTATUS[0]} != 0 ]; then
+ fatal 1 "Error building kernel-ib"
+ fi
+
+}
+
+store_for_reuse() {
+ local articles="$1"
+ local module="$2"
+ local location="$3"
+ local signature="$4"
+ local use_links="$5"
+
+ local linkflag=""
+ if $use_links; then
+ linkflag="l"
+ fi
+
+ location="$location"/"$signature"/"$module"
+ mkdir -p "$location"
+ # the cleanup script removes any directory that doesn't have a
+ # .lastused, so let's try to prevent that as soon as we can
+ # this solution still slightly racy with the cleanup script
+ # but the race is a lot tighter now
+ touch -t 197001010000 "$location/.lastused"
+ ## use eval/echo here to make sure shell expansions are performed
+ #if ! cp -a${linkflag} $(eval echo $articles) "$location"; then
+ local article
+ for article in $(eval echo $articles); do
+ if ! cp -a${linkflag} "$article" "$location"; then
+ error "Failed to copy \"$article\" to \"$location\" in store_for_reuse()"
+ # rename the cache location so that it's not cached
+ # product, but is around for analysis
+ mv "$location"{,-bad-$(date +%s)} ||
+ error "failed to clean up a failed cache attempt" \
+ "in \"$location\" -- manual cleanup will be" \
+ "necessary"
+ return 1
+ fi
+ done
+
+ # flag the cache as complete (i.e. in case lbuild was previously
+ # interrupted while caching)
+ touch "$location/.lastused"
+
+ return 0
+
+}
+
+reuse() {
+ local module="$1"
+ local dest="$2"
+ local use_links="${3:-false}"
+ local signature="$4"
+
+ if [ -n "$REUSEBUILD" ] && [ -d "$REUSEBUILD/$signature/$module" ]; then
+ if [ ! -f "$REUSEBUILD/$signature/$module/.lastused" ]; then
+ # the .lastused flag is populated at the end of the caching to
+ # signal that the caching was completeld. if that flag is not
+ # there, then the cache is invalid (and should be removed in fact)
+ mv "$REUSEBUILD/$signature/$module"{,-bad-$(date +%s)} ||
+ fatal 1 "failed to clean up a bad cache in location" \
+ "\"$REUSEBUILD/$signature/$module\" -- manual cleanup" \
+ "will be necessary"
+ return 1
+ fi
+
+ # so that we know how stale this entry is
+ touch $REUSEBUILD/$signature/$module/.lastused
+
+ if $use_links; then
+ if ls $REUSEBUILD/$signature/$module/* >/dev/null 2>&1; then
+ cp -al $REUSEBUILD/$signature/$module/* $dest/
+ fi
+ else
+ # copying is pretty heavy
+ # cp -a $REUSEBUILD/$signature/$module/* $dest/
+ # do some creative symlinking instead
+ local dir
+ for dir in BUILD SRPMS SPECS; do
+ if ls $REUSEBUILD/$signature/$module/$dir/* >/dev/null 2>&1; then
+ ln -s $REUSEBUILD/$signature/$module/$dir/* $dest/$dir
+ fi
+ done
+ # sources have to be copied by file because we need SOURCES to
+ # be a dir we can write into
+# could overrun ls's arg list here
+ #ls $REUSEBUILD/$signature/$module/SOURCES/* |
+ find $REUSEBUILD/$signature/$module/SOURCES/ -type f |
+ xargs ln -t $dest/SOURCES -s
+
+ # same for RPMS/* dirs
+# could overrun ls's arg list here
+ #ls $REUSEBUILD/$signature/$module/RPMS/$TARGET_ARCH/* |
+ local dir
+ for dir in $REUSEBUILD/$signature/$module/RPMS/*; do
+ mkdir -p $dest/RPMS/${dir##*/}
+ find $dir -type f |
+ xargs ln -t $dest/RPMS/${dir##*/} -s
+ done
+
+ fi
+ return 0