diff options
| author | Robert Marko | 2026-10-02 12:16:57 +0000 |
|---|---|---|
| committer | Robert Marko | 2026-10-03 09:53:09 +0000 |
| commit | fcc5cb880e042b275b2d4f9d9a7287079126f414 (patch) | |
| tree | a365679afa032dcd3fadbfe81efb089d1fad9612 | |
| parent | 3bab3a63a18b6b759b5edc717c78dbbcbaaba0e2 (diff) | |
image: make kernel UBIFS images reproducible
The temporary directory used to create a kernel UBIFS image and its
kernel file receive wall-clock mtimes. mkfs.ubifs preserves these
times, making images differ between builds.
Set their timestamps to SOURCE_DATE_EPOCH before invoking mkfs.ubifs.
Signed-off-by: Robert Marko <robimarko@gmail.com>
| -rw-r--r-- | include/image-commands.mk | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/image-commands.mk b/include/image-commands.mk index 60ab73f4fa..ea5e483b52 100644 --- a/include/image-commands.mk +++ b/include/image-commands.mk @@ -30,6 +30,9 @@ endef define Build/package-kernel-ubifs mkdir $@.kernelubifs cp $@ $@.kernelubifs/kernel + $(if $(SOURCE_DATE_EPOCH), \ + touch -hcd "@$(SOURCE_DATE_EPOCH)" \ + $@.kernelubifs $@.kernelubifs/kernel) $(STAGING_DIR_HOST)/bin/mkfs.ubifs \ $(KERNEL_UBIFS_OPTS) \ -r $@.kernelubifs $@ |