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#!/bin/sh
command -v getarg > /dev/null || . /lib/dracut-lib.sh
if ! getargbool 0 rd.driver.export; then
exit 0
fi
driver_export=$(getarg rd.driver.export=)
KVERSION="$(uname -r)"
if [ ! -d "/lib/modules/$KVERSION" ]; then
warn "Something odd, no /lib/modules/$KVERSION in initramfs."
exit 0
fi
[ -d "$NEWROOT/lib/modules" ] || mkdir -p "$NEWROOT/lib/modules" \
|| {
warn "No /lib/modules in target. cannot help."
exit 0
}
if [ -d "$NEWROOT/lib/modules/$KVERSION" ]; then
if [ "${driver_export#*force}" = "$driver_export" ]; then
warn "/lib/modules/$KVERSION exists. To export modules set rd.driver.export=force!"
exit 0
else
info "Due to rd.driver.export=force exporting over existing modules!"
fi
fi
mount -t tmpfs driver_export "$NEWROOT/lib/modules" \
|| {
warn "Failed mount of tmpfs."
exit 0
}
cp -a "/lib/modules/$KVERSION" "$NEWROOT/lib/modules" \
|| {
warn "Failed to export modules to target root."
exit 0
}
|
