From: rsbecker@nexbridge.com
Date: Fri, 24 Oct 2025 18:38:05 GMT
Subject: RE: [BUG] Strange git notes completion behaviour
Message-ID: <029f01dc4515$59ae09c0$0d0a1d40$@nexbridge.com>
In-Reply-To: <20251024174659.GA3635620@coredump.intra.peff.net>

On October 24, 2025 1:47 PM, Jeff King wrote:
>On Fri, Oct 24, 2025 at 01:33:02PM -0400, rsbecker@nexbridge.com wrote:
>
>> What I found is this:
>>
>> Git drops into sane_execvp and converts the
>>
>> git notes show HEAD
>>
>> to
>>
>> git show 1aa950256829721750e809788e7b858db79a934a.
>>
>> When execvp is called, it immediately fails with a -12 - not returned,
>> just terminates. The -12 is an NonStop-specific execvp error
>> indicating the process failed because the object is invalid (strange
>> and likely an artifact rather than a real problem).
>
>When you say "object" here, you don't mean a Git object, but rather that
>execvp() could not run the "git" binary for some reason (so the "object"
>here is the on-disk executable)? Just making sure I understand.
>
>> When I use the arguments as presented to execvp via bash directly, I get:
>>
>> error: no note found for object
>1aa950256829721750e809788e7b858db79a934a.
>>
>> There is no commit with that hash. HEAD is actually
>> 3fc1917e0e69b23265f5c49f90fdb6f4ed98f4a3
>> so git show is correctly failing. This is Indicating that notes is not
>> invoking git correctly.
>
>Are you sure you are running "git show" there and not "git notes show".
>Because 1aa950256 should be the blob that the note for HEAD points to, and thus
>does not itself have a note. And "git show" should not be looking up notes at all
>(and the "no note found" message is from builtin/notes.c).

I am 100% sure that git notes show is running git show with the notes blob as above.