Re: Gerrit, GitButler, and Jujutsu projects collaborating on change-id commit footer

From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Date: Apr 2, 2025, 19:45 UTC
Message-ID: <20250402-adventurous-mustard-raccoon-ed93e3@meerkat>
In-Reply-To: <CAESOdVAspxUJKGAA58i0tvks4ZOfoGf1Aa5gPr0FXzdcywqUUw@mail.gmail.com>

On Wed, Apr 02, 2025 at 11:48:01AM -0700, Martin von Zweigbergk wrote:

Show 10 quoted lines

> Hi,
> 
> The Gerrit, GitButler, and Jujutsu projects all have a concept of
> a "change id", and it behaves in a similar way between the three
> tools. The change id is conceptually associated with a commit.
> It follows a commit as its rewritten (e.g. by amending and
> rebasing). The three projects currently store and format the
> change id differently. We would like to unify that so we can
> interoperate better. We hope the Git project is also interested
> in preserving and using this header.

Notably, b4 also uses change-id, but as a series identifier, not as a commit identifier. It is not intended to ever make its way into git commits and is always passed in the patch footer.

The format is an arbitrary unique string. :)

-K