[PATCH 2/4] erofs-utils: support $SOURCE_DATE_EPOCH

[Li GuiFu]

On 2020/10/30 20:30, Gao Xiang wrote:
> Currently, we use -T to set a given UNIX timestamp for all
> files, yet reproducible builds [1] requires what is called
> "timestamp clamping", IOW, a timestamp must be used no later
> than the value of this variable.
> 
> Let's support $SOURCE_DATE_EPOCH as well.
> 
> [1] https://reproducible-builds.org/specs/source-date-epoch/
> Suggested-by: nl6720 <nl6720 at gmail.com>
> Signed-off-by: Gao Xiang <hsiangkao at redhat.com>

It looks good
Reviewed-by: Li Guifu <bluce.lee at aliyun.com>
Thanks,