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From: Jeff King <peff@peff.net>
To: "SZEDER Gábor" <szeder.dev@gmail.com>
Cc: Taylor Blau <me@ttaylorr.com>, Junio C Hamano <gitster@pobox.com>,
	Derrick Stolee <dstolee@microsoft.com>,
	git@vger.kernel.org
Subject: Re: [PATCH 3/3] commit-graph: error out on invalid commit oids in 'write --stdin-commits'
Date: Fri, 3 Apr 2020 15:51:03 -0400	[thread overview]
Message-ID: <20200403195103.GA663412@coredump.intra.peff.net> (raw)
In-Reply-To: <20200403193842.GA7859@szeder.dev>

On Fri, Apr 03, 2020 at 09:38:42PM +0200, SZEDER Gábor wrote:

> > > Can you explain more why the old behavior is a problem?
> 
> Because when I do:
> 
>    # sometimes I forgot that refs are not good...
>    $ echo HEAD | git commit-graph write --stdin-commits
> 
> then I get _nothing_: neither an error, nor a commit-graph.

OK, that makes more sense: it's an input format error, because we only
take hex oids.

Do you care about complaining about:

  git rev-parse HEAD^{tree} | git commit-graph write --stdin-commits

? That's the case that's much more interesting, I think.

> Or introduce 'git commit-graph write --stdin-refs'?  Or teach
> '--stdin-commits' to DWIM and accept and parse refs?  Though the
> question still remains what to do with refs that can't be peeled back
> to commits

Right. I think there are two orthogonal questions:

  - whether to resolve arbitrary names to objects and how to handle such
    input if we don't

  - what to do with an oid (whether given as hex or resolved from a
    name) that isn't a commit-ish

-Peff

  reply	other threads:[~2020-04-03 19:51 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-05  8:02 [PATCH 0/3] " SZEDER Gábor
2019-08-05  8:02 ` [PATCH 1/3] t5318-commit-graph: use 'test_expect_code' SZEDER Gábor
2019-08-05  8:02 ` [PATCH 2/3] commit-graph: turn a group of write-related macro flags into an enum SZEDER Gábor
2019-08-05  8:02 ` [PATCH 3/3] commit-graph: error out on invalid commit oids in 'write --stdin-commits' SZEDER Gábor
2019-08-05 13:57   ` Derrick Stolee
2019-08-05 17:57     ` SZEDER Gábor
2020-04-03 18:30   ` Jeff King
2020-04-03 18:49     ` Taylor Blau
2020-04-03 19:38       ` SZEDER Gábor
2020-04-03 19:51         ` Jeff King [this message]
2020-04-03 20:40           ` SZEDER Gábor
2020-04-03 23:10             ` Jeff King
2020-04-13 19:39               ` Taylor Blau
2020-04-13 21:25                 ` Jeff King
2020-04-14  2:04                   ` Taylor Blau
2020-04-03 19:55         ` Taylor Blau
2020-04-03 19:47       ` Junio C Hamano
2020-04-03 19:57         ` Taylor Blau
2019-08-05 10:14 ` [PATCH 0/3] " SZEDER Gábor

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