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From: Junio C Hamano <gitster@pobox.com>
To: Elijah Newren <newren@gmail.com>
Cc: "Luke Shumaker" <lukeshu@lukeshu.com>,
	"Git Mailing List" <git@vger.kernel.org>,
	"Jeff King" <peff@peff.net>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	"Taylor Blau" <me@ttaylorr.com>,
	"brian m . carlson" <sandals@crustytoothpaste.net>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Luke Shumaker" <lukeshu@datawire.io>
Subject: Re: [PATCH v3 3/3] fast-export, fast-import: implement signed-commits
Date: Fri, 30 Apr 2021 08:42:24 +0900	[thread overview]
Message-ID: <xmqqim44fyjj.fsf@gitster.g> (raw)
In-Reply-To: <CABPp-BHhfT3b=UyWOXACrBb6nw86n74thNAx7DUDF0YNOcA-yA@mail.gmail.com> (Elijah Newren's message of "Thu, 29 Apr 2021 15:38:57 -0700")

Elijah Newren <newren@gmail.com> writes:

> I do get that we might have to use warn-strip as the default anyway
> just because some existing tools might rely on it, but do you have any
> examples outside of git-filter-repo?  Given the filter-repo bug
> reports I've gotten with users being surprised at commit signatures
> being stripped (despite the fact that this is documented -- users
> don't always read the documentation), I'd argue that changing to
> --signed-commits=abort as the default is probably a good bugfix for
> both fast-export and for filter-repo.

Thanks.  The "filter-repo already gets bug reports from the users"
is a valuable input when deciding if it is reasonable to sell the
behaviour change as a bugfix to our users.

Perhaps teaching fast-export to pay attention to two environment
variables that say "when no --signed-{tag,commit}=<disposition>"
command line option is given, use this behaviour" would be a good
enough escape hatch for existing tools and their users, while they
are waiting for their tools to get updated with the new option you
are planning to add?

Also, I am glad that you brought up another possible behaviour that
Luke's patch did not add.  Exporting existing signatures that may
become invalid and deciding what to do with them on the receiving
end would be a good option to have.  And that would most likely have
to be done at "fast-import" end, as a commit that "fast-export"
expected to retain its object name if its export stream were applied
as-is may not retain the object name when the export stream gets
preprocessed before being fed to "fast-import".



  reply	other threads:[~2021-04-29 23:42 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-22  0:27 [PATCH v2 0/3] " Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 1/3] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 2/3] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-22  3:59   ` Eric Sunshine
2021-04-22  4:43     ` Luke Shumaker
2021-04-22  4:50       ` Luke Shumaker
2021-04-22  0:27 ` [PATCH v2 3/3] fast-export, fast-import: implement signed-commits Luke Shumaker
2021-04-23 16:41 ` [PATCH v3 0/3] " Luke Shumaker
2021-04-23 16:41   ` [PATCH v3 1/3] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-23 16:41   ` [PATCH v3 2/3] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-28  3:29     ` Junio C Hamano
2021-04-29 19:02       ` Luke Shumaker
2021-04-30  0:03         ` Junio C Hamano
2021-04-23 16:41   ` [PATCH v3 3/3] fast-export, fast-import: implement signed-commits Luke Shumaker
2021-04-28  4:02     ` Junio C Hamano
2021-04-29 20:06       ` Luke Shumaker
2021-04-29 22:38         ` Elijah Newren
2021-04-29 23:42           ` Junio C Hamano [this message]
2021-04-30  2:23             ` Elijah Newren
2021-04-30  3:20               ` Junio C Hamano
2021-04-30 17:07             ` Luke Shumaker
2021-04-30 19:34       ` Luke Shumaker
2021-04-30 19:59         ` Elijah Newren
2021-04-30 22:21           ` Luke Shumaker
2021-04-30 23:25   ` [PATCH v4 0/5] fast-export, fast-import: add support for signed-commits Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 1/5] git-fast-import.txt: add missing LF in the BNF Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 2/5] fast-export: rename --signed-tags='warn' to 'warn-verbatim' Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 3/5] git-fast-export.txt: clarify why 'verbatim' may not be a good idea Luke Shumaker
2021-04-30 23:25     ` [PATCH v4 4/5] fast-export: do not modify memory from get_commit_buffer Luke Shumaker
2021-05-03  4:41       ` Junio C Hamano
2021-04-30 23:25     ` [PATCH v4 5/5] fast-export, fast-import: add support for signed-commits Luke Shumaker
2021-05-03  5:09       ` Junio C Hamano

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