On 16-05-12 02:08 PM, Ed Maste wrote:
Baptiste and I have been looking at reproducible builds in the FreeBSD
ports tree, and one thing we'll need is a consistent timestamp that
doesn't change when a port is rebuilt without changes.


Just wondering if any work has gone into consuming these timestamps in the tools?

Specifically, looking at tar(1) from -head, I see that it doesn't current support the -mtime flag that GNU tar does, to be able to set the timestamp on all of the files being archived.

Any thoughts on what the canonical way will be: e.g. a pass in advance with find/touch or if BSD tar is planned to support this internally?

Thanks!
Derek

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