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Commit c299ec2d authored by Alex Landau's avatar Alex Landau Committed by Sam Ravnborg
Browse files

kbuild: handle compressed cpio initramfs-es 



Make kbuild handle compressed cpio initramfs-es.  An already compressed
cpio is copied directly to usr/, while a non-compressed cpio is filtered
through gzip (no changes here) on its way to usr/.

If the user has created a compressed cpio by other means, this saves him
from uncompressing it, just to be compressed again by kbuild.

Signed-off-by: default avatarAlex Landau <landau.alex@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent b4d5171a

scripts/gen_initramfs_list.sh

+8 −2
Original line number Diff line number Diff line
@@ -191,9 +191,10 @@ input_file() { 
	source="$1"

	if [ -f "$1" ]; then

		${dep_list}header "$1"

		is_cpio="$(echo "$1" | sed 's/^.*\.cpio/cpio/')"

		is_cpio="$(echo "$1" | sed 's/^.*\.cpio\(\..*\)\?/cpio/')"

		if [ $2 -eq 0 -a ${is_cpio} == "cpio" ]; then

			cpio_file=$1

			echo "$1" | grep -q '^.*\.cpio\..*' && is_cpio_compressed="compressed"

			[ ! -z ${dep_list} ] && echo "$1"

			return 0

		fi
@@ -223,6 +224,7 @@ cpio_file= 
cpio_list=

output="/dev/stdout"

output_file=""

is_cpio_compressed=



arg="$1"

case "$arg" in
@@ -282,7 +284,11 @@ if [ ! -z ${output_file} ]; then 
		cpio_tfile=${cpio_file}

	fi

	rm ${cpio_list}

	if [ "${is_cpio_compressed}" = "compressed" ]; then

		cat ${cpio_tfile} > ${output_file}

	else

		cat ${cpio_tfile} | gzip -f -9 - > ${output_file}

	fi

	[ -z ${cpio_file} ] && rm ${cpio_tfile}

fi

exit 0