Re: Is there way to set git commit --date to be older than 1970 ?

From: Junio C Hamano <gitster@pobox.com>
Date: Oct 30, 2014, 22:11 UTC
Message-ID: <xmqqtx2ltdg6.fsf@gitster.dls.corp.google.com>
In-Reply-To: <20141030214852.GB21017@peff.net>

Jeff King <peff@peff.net> writes:

Show 10 quoted lines

> I think it would be a nice project to convert git to consistently use
> signed 64-bit times internally, and then everything would Just Work
> going back to the beginning of history. But the demand for such a
> feature has been low enough that nobody has really dug in and tried the
> conversion.
>
> We do also gain some small amount of efficiency by storing commit
> timestamps as 32-bit values. However, those should always be "current"
> times anyway. I think we are really talking about author timestamps
> here (and of course the underlying time-manipulation functions).

There are only three places we store timestamps that matter in the on-disk representations, so if we were to go 64-bit internally, which I do not mind at all, we probably should do all three i.e., committer, tagger and author dates.