[U-Boot] [PATCH v2 3/3] Set time and umask on fit-dtb.blob to ensure reproducibile builds.

[Tom Rini]

On Thu, May 02, 2019 at 11:14:12AM -0700, Vagrant Cascadian wrote:

> Support for compressed fit-dtb.blob was added in:
> 
>   commit 95f4bbd581cf ("lib: fdt: Allow LZO and GZIP DT compression in
>   U-Boot")
> 
> When building compressed (lzop, gzip) fit-dtb.blob images, the
> compression tool may embed the time or umask in the image.
> 
> Work around this by manually setting the time of the source file using
> SOURCE_DATE_EPOCH and a hard-coded 0600 umask.
> 
> With gzip, this could be accomplished by using -n/--no-name, but lzop
> has no current workaround:
> 
>   https://bugs.debian.org/896520
> 
> This is essentially the same fix applied to multi-dtb fit SPL images in:
> 
>   commit 8664ab7debab ("Set time and umask on multi-dtb fit images to
>   ensure reproducibile builds.")
> 
> Signed-off-by: Vagrant Cascadian <vagrant at reproducible-builds.org>

Applied to u-boot/master, thanks!

-- 
Tom
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