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-rw-r--r--usr/Makefile1
-rwxr-xr-xusr/gen_initramfs.sh16
2 files changed, 10 insertions, 7 deletions
diff --git a/usr/Makefile b/usr/Makefile
index 59d9e8b07a01..f8e1ad19e05c 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -64,6 +64,7 @@ quiet_cmd_initfs = GEN $@
$(CONFIG_SHELL) $< -o $@ -l $(obj)/.initramfs_data.cpio.d \
$(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \
$(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) \
+ $(if $(KBUILD_BUILD_TIMESTAMP), -d "$(KBUILD_BUILD_TIMESTAMP)") \
$(ramfs-input)
# We rebuild initramfs_data.cpio if:
diff --git a/usr/gen_initramfs.sh b/usr/gen_initramfs.sh
index 63476bb70b41..14b5782f961a 100755
--- a/usr/gen_initramfs.sh
+++ b/usr/gen_initramfs.sh
@@ -23,6 +23,7 @@ $0 [-o <file>] [-l <dep_list>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ...
-g <gid> Group ID to map to group ID 0 (root).
<gid> is only meaningful if <cpio_source> is a
directory. "squash" forces all files to gid 0.
+ -d <date> Use date for all file mtime values
<cpio_source> File list or directory for cpio archive.
If <cpio_source> is a .cpio file it will be used
as direct input to initramfs.
@@ -190,6 +191,7 @@ prog=$0
root_uid=0
root_gid=0
dep_list=
+timestamp=
cpio_list=$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)
output="/dev/stdout"
@@ -218,6 +220,13 @@ while [ $# -gt 0 ]; do
[ "$root_gid" = "-1" ] && root_gid=$(id -g || echo 0)
shift
;;
+ "-d") # date for file mtimes
+ timestamp="$(date -d"$1" +%s || :)"
+ if test -n "$timestamp"; then
+ timestamp="-t $timestamp"
+ fi
+ shift
+ ;;
"-h")
usage
exit 0
@@ -237,11 +246,4 @@ done
# If output_file is set we will generate cpio archive
# we are careful to delete tmp files
-timestamp=
-if test -n "$KBUILD_BUILD_TIMESTAMP"; then
- timestamp="$(date -d"$KBUILD_BUILD_TIMESTAMP" +%s || :)"
- if test -n "$timestamp"; then
- timestamp="-t $timestamp"
- fi
-fi
usr/gen_init_cpio $timestamp $cpio_list > $output