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From: Theodore Ts'o <tytso@mit.edu>
To: Junio C Hamano <gitster@pobox.com>
Cc: Josh Triplett <josh@joshtriplett.org>, git@vger.kernel.org
Subject: Re: gc and repack ignore .git/*HEAD when checking reachability
Date: Fri, 8 Jul 2016 15:25:04 -0400	[thread overview]
Message-ID: <20160708192504.GL19871@thunk.org> (raw)
In-Reply-To: <xmqqa8hsm4qu.fsf@gitster.mtv.corp.google.com>

On Fri, Jul 08, 2016 at 10:14:33AM -0700, Junio C Hamano wrote:
> 
> It cannot be "anything directly under .git that has all-caps name
> that ends with _HEAD".  The ones we write we know are going to be
> removed at some point in time (e.g. "git reset", "git bisect reset",
> "git merge --abort", etc.).  We do not have any control on random
> ones that the users and third-party tools leave behind, holding onto
> irrelevant objects forever.

What about anything that is all-caps and ends in _HEAD which has a
mod-time within the last N days?  (Where N is 2-7 days.)  If it's
older than that, it's almost certainly stale...

						- Ted

  reply	other threads:[~2016-07-08 19:25 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08  2:59 gc and repack ignore .git/*HEAD when checking reachability Josh Triplett
2016-07-08  4:34 ` Junio C Hamano
2016-07-08  6:44   ` Josh Triplett
2016-07-08 17:14     ` Junio C Hamano
2016-07-08 19:25       ` Theodore Ts'o [this message]
2016-07-08 20:30         ` Junio C Hamano
2016-07-08 23:50           ` Theodore Ts'o
2016-07-09  5:23             ` Josh Triplett
2016-07-08 20:29       ` Josh Triplett
2016-07-09  7:35       ` Johannes Schindelin
2016-07-09 14:09         ` Josh Triplett
2016-07-09 16:45           ` Duy Nguyen
2016-07-10 10:59             ` Johannes Schindelin
2016-07-10 11:04               ` Duy Nguyen
2016-07-10 14:16                 ` Johannes Schindelin
2016-07-10 15:01                   ` Duy Nguyen
2016-07-11  6:07                     ` Johannes Schindelin
2016-07-11 18:52                   ` Junio C Hamano
2016-07-12 10:47                     ` Johannes Schindelin
2016-07-12 15:26                       ` Jeff King
2016-07-12 15:46                         ` Duy Nguyen
2016-07-12 15:51                           ` Jeff King
2016-07-12 16:13                             ` Duy Nguyen
2016-07-13  8:20                               ` Johannes Schindelin
2016-07-13 14:54                                 ` Duy Nguyen
2016-07-13 18:59                                   ` Johannes Schindelin
2016-07-15 15:46                                     ` Duy Nguyen

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