Subject: Re: [PATCH] Add "--expire <time>" option to 'git prune'

From: Junio C Hamano <[email-masked]>
Date: Thu, 29 Nov 2007 12:06:07 -0800

Johannes Schindelin <[email-masked]> writes:

> The implementation uses st.st_mtime rather than st.st_ctime,
> because it can be tested better, using 'touch -d <time>' (and
> omitting the test when the platform does not support that
> command line switch).

But I think you can use more portable -t for setting mtime to
1970/01/01, but I had a feeling that earlier we were bitten by
non-portability of "touch" and introduced test-chmtime.