+arg="$1"
+case "$arg" in
+ "-l") # files included in initramfs - used by kbuild
+ dep_list="list_"
+ echo "deps_initramfs := \\"
+ shift
+ ;;
+ "-o") # generate gzipped cpio image named $1
+ shift
+ output_file="$1"
+ cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
+ output=${cpio_list}
+ shift
+ ;;
+esac
+while [ $# -gt 0 ]; do
+ arg="$1"
+ shift
+ case "$arg" in
+ "-u") # map $1 to uid=0 (root)
+ root_uid="$1"
+ shift
+ ;;
+ "-g") # map $1 to gid=0 (root)
+ root_gid="$1"
+ shift
+ ;;
+ "-d") # display default initramfs list
+ default_list="$arg"
+ ${dep_list}default_initramfs
+ ;;
+ "-h")
+ usage
+ exit 0
+ ;;
+ *)
+ case "$arg" in
+ "-"*)
+ unknown_option
+ ;;
+ *) # input file/dir - process it
+ input_file "$arg" "$#"
+ ;;
+ esac
+ ;;
+ esac
+done
+
+# If output_file is set we will generate cpio archive and gzip it
+# we are carefull to delete tmp files
+if [ ! -z ${output_file} ]; then
+ if [ -z ${cpio_file} ]; then
+ cpio_tfile="$(mktemp ${TMPDIR:-/tmp}/cpiofile.XXXXXX)"
+ usr/gen_init_cpio ${cpio_list} > ${cpio_tfile}
+ else
+ cpio_tfile=${cpio_file}
+ fi
+ rm ${cpio_list}
+ cat ${cpio_tfile} | gzip -f -9 - > ${output_file}
+ [ -z ${cpio_file} ] && rm ${cpio_tfile}
+fi