Re: Should revision hashes match between hosts for -current?

From: Warner Losh <imp_at_bsdimp.com>
Date: Sat, 25 Jul 2026 01:13:52 UTC
On Fri, Jul 24, 2026, 6:22 PM bob prohaska <fbsd@www.zefox.net> wrote:

> On Thu, Jul 23, 2026 at 07:56:11PM +0200, Dag-Erling Smørgrav wrote:
> > bob prohaska <fbsd@www.zefox.net> writes:
> > > Should revision hashes match between different hosts if updated at the
> > > same time?
> >
> > No, they should match if they were built from the same point in Git
> > history (same revision of same branch).
> >
>
> Ok, the systems were set up at different time and have been "git reset"
> more than once, at different times. Sounds like nothing's wrong.
>
> >
> > Run `git log --first-parent --oneline --no-decorate` in /usr/src on each
> > host and compare the output.
>
> Not sure what I'm looking for. The comments are recognizable, the matching
> hashes look clearly related but not the same, for example
>
> e7efe2f059a4 firewire: remove deprecation notice from manual page
> vs
> e7efe2f059a firewire: remove deprecation notice from manual page
>
> Now I'm wondering where the extra 4 came from....
>

Different versions of git compute Different lengths of hash to print /
include.

Warner

8-)
>
> Thanks for writing,
>
> bob prohaska
>
>
>