From: Junio C Hamano <gitster@pobox•com>
To: Jeff King <peff@peff•net>
Cc: Duy Nguyen <pclouds@gmail•com>, Augie Fackler <augie@google•com>,
Johannes Sixt <j6t@kdbg•org>,
Git Mailing List <git@vger•kernel.org>,
Stefan Beller <sbeller@google•com>
Subject: Re: [PATCH 3/3] trace: add GIT_TRACE_STDIN
Date: Fri, 26 Jun 2015 11:47:03 -0700 [thread overview]
Message-ID: <xmqqoak2tihk.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20150617191023.GA25304@peff.net> (Jeff King's message of "Wed, 17 Jun 2015 15:10:23 -0400")
Jeff King <peff@peff•net> writes:
> My other motive for trace.* was that we could have something like
> "trace.prune", and have git-prune provide verbose debugging information.
> We have custom patches like that on GitHub servers, which we've used to
> debug occasional weirdness (e.g., you find that an object is missing
> from a repo, but you have no clue why it went away; was it never there,
> did somebody prune it, did it get dropped from a pack?).
>
> I can send those upstream, but it would be nice not to introduce a
> totally separate tracing facility when trace_* is so close. But it
> needs:
>
> 1. To be enabled by config, not environment.
>
> 2. To support some basic output filename flexibility so the output can
> be organized (we write the equivalent of GIT_TRACE_FOO to
> $GIT_DIR/ghlog_foo/YYYY-MM-DD/YYYY-MM-DDTHH:MM:SS.PID).
>
> For (1), we could just load trace.* in git_default_config; you couldn't
> use it with any "early" tracing that happens before then, but I think in
> practice it would be fine for most traces.
>
> For (2), I think we could accomplish that with %-placeholders (like my
> earlier patch), and the ability to write relative paths into $GIT_DIR
> (again, you couldn't do this for "early" traces, but you could for other
> stuff).
Both sounds like a sensible compromise to me.
Thanks, all, for an interesting discussion.
next prev parent reply other threads:[~2015-06-26 18:47 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAGZ79kaS4utvDbXOo7emmSUH6M-8LY-oA65Ss3PLDkFModkbSg@mail.gmail.com>
2015-06-11 18:59 ` [PATCH v2] fetch-pack: optionally save packs to disk Augie Fackler
2015-06-12 6:22 ` Johannes Sixt
2015-06-12 15:07 ` Junio C Hamano
2015-06-12 17:02 ` Augie Fackler
2015-06-12 18:00 ` Jeff King
2015-06-12 21:25 ` Jeff King
2015-06-12 21:28 ` [PATCH 1/3] pkt-line: simplify starts_with checks in packet tracing Jeff King
2015-06-12 21:35 ` Stefan Beller
2015-06-12 21:28 ` [PATCH 2/3] pkt-line: tighten sideband PACK check when tracing Jeff King
2015-06-12 21:39 ` Stefan Beller
2015-06-12 21:41 ` Jeff King
2015-06-12 21:43 ` Stefan Beller
2015-06-12 21:28 ` [PATCH 3/3] pkt-line: support tracing verbatim pack contents Jeff King
2015-06-16 15:38 ` Augie Fackler
2015-06-16 16:39 ` Junio C Hamano
2015-06-16 16:43 ` Jeff King
2015-06-16 16:52 ` Augie Fackler
2015-06-16 17:23 ` Jeff King
2015-06-16 17:10 ` Jeff King
2015-06-16 17:14 ` Augie Fackler
2015-06-16 17:18 ` Jeff King
2015-06-16 17:23 ` Augie Fackler
2015-06-16 19:31 ` [PATCH/RFC 0/3] add GIT_TRACE_STDIN Jeff King
2015-06-16 19:35 ` [PATCH 1/3] trace: implement %p placeholder for filenames Jeff King
2015-06-16 19:36 ` [PATCH 2/3] trace: add pid to each output line Jeff King
2015-06-16 19:37 ` [PATCH 3/3] trace: add GIT_TRACE_STDIN Jeff King
2015-06-16 19:49 ` Jeff King
2015-06-16 21:20 ` Jeff King
2015-06-17 10:04 ` Duy Nguyen
2015-06-17 19:10 ` Jeff King
2015-06-18 10:20 ` Duy Nguyen
2015-06-26 18:47 ` Junio C Hamano [this message]
2015-06-12 16:54 ` [PATCH v2] fetch-pack: optionally save packs to disk Augie Fackler
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