From: Junio C Hamano <gitster@pobox•com>
To: Duy Nguyen <pclouds@gmail•com>
Cc: John Keeping <john@keeping•me.uk>, Johannes Sixt <j6t@kdbg•org>,
Git Mailing List <git@vger•kernel.org>,
Jens Lehmann <Jens.Lehmann@web•de>
Subject: Re: [PATCH 1/2] reset: handle submodule with trailing slash
Date: Wed, 11 Sep 2013 10:08:18 -0700 [thread overview]
Message-ID: <xmqqwqmnthfh.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <CACsJy8BgEM3eEDo8wOgkqYTL1fkh9azZNqbogxBubp9g5KRNbQ@mail.gmail.com> (Duy Nguyen's message of "Wed, 11 Sep 2013 17:54:48 +0700")
Duy Nguyen <pclouds@gmail•com> writes:
> reset --soft does not go through these code paths (i.e. it does not
> need index at all). If we fail to load index index in "reset --soft" I
> think it's ok to die(). Corrupt index is fatal anyway.
Do I smell a breakage here? Isn't "reset --soft HEAD" (or some
known good commit) a way to recover from a corrupt index?
If that is the case, I do not think it is OK at all. What do we
suggest as an alternative? "rm .git/index && read-tree"?
> But "reset
> --soft" now has to pay the cost to load index, which could be slow
> when the index is big. Assuming nobody does "reset --soft" that often
> I think this is OK.
>
> Alternatively we could load index lazily in _CHEAP code only when we
> see trailing slashes, then replace these read_cache() with
> read_cache_unless_its_already_loaded_earlier() or something.
next prev parent reply other threads:[~2013-09-11 17:08 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-10 19:13 [PATCH 0/2] reset: handle submodule with trailing slash John Keeping
2013-09-10 19:13 ` [PATCH 1/2] " John Keeping
2013-09-10 19:37 ` Jens Lehmann
2013-09-10 19:46 ` John Keeping
2013-09-11 6:05 ` Johannes Sixt
2013-09-11 8:20 ` John Keeping
2013-09-11 10:54 ` Duy Nguyen
2013-09-11 11:08 ` John Keeping
2013-09-11 11:20 ` Duy Nguyen
2013-09-11 17:08 ` Junio C Hamano [this message]
2013-09-11 17:27 ` John Keeping
2013-09-11 18:14 ` Junio C Hamano
2013-09-11 18:22 ` John Keeping
2013-09-11 18:45 ` Junio C Hamano
2013-09-10 19:13 ` [PATCH 2/2] rm: re-use parse_pathspec's trailing-slash removal John Keeping
2013-09-11 7:48 ` Duy Nguyen
2013-09-11 8:24 ` John Keeping
2013-09-12 19:24 ` [PATCH v2 0/4] submodule trailing slash improvements John Keeping
2013-09-12 19:24 ` [PATCH v2 1/4] pathspec: use is_dir_sep() to check for trailing slashes John Keeping
2013-09-12 20:17 ` Johannes Sixt
2013-09-12 19:24 ` [PATCH v2 2/4] pathspec: strip multiple trailing slashes from submodules John Keeping
2013-09-12 19:48 ` Junio C Hamano
2013-09-12 20:21 ` John Keeping
2013-09-13 1:28 ` Duy Nguyen
2013-09-13 8:48 ` John Keeping
2013-09-12 19:25 ` [PATCH v2 3/4] rm: re-use parse_pathspec's trailing-slash removal John Keeping
2013-09-12 19:25 ` [PATCH v2 4/4] reset: handle submodule with trailing slash John Keeping
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