Re: with git update-ref?

From: Phillip Wood <phillip.wood123@gmail.com>
Date: Oct 13, 2024, 09:34 UTC
Message-ID: <f7a7046c-020a-4365-baf4-49184bd2c60b@gmail.com>
In-Reply-To: <xmqqa5facosb.fsf@gitster.g>

On 11/10/2024 22:28, Junio C Hamano wrote:

Show 21 quoted lines

> "Bence Ferdinandy" <bence@ferdinandy.com> writes:
> 
>> On Fri Oct 11, 2024 at 22:56, Kristoffer Haugsbakk <kristofferhaugsbakk@fastmail.com> wrote:
>>> `ref: refs/remotes/origin/test`? (space after colon)
>>
>> I tried a couple of variations and no:
>>
>> ❯ git update-ref --no-deref refs/remotes/origin/HEAD 'ref: refs/remotes/origin/test'
>> fatal: ref: refs/remotes/origin/test: not a valid SHA1
>> ❯ git update-ref refs/remotes/origin/HEAD 'ref: refs/remotes/origin/test'
>> fatal: ref: refs/remotes/origin/test: not a valid SHA1
>> ❯ git update-ref --no-deref refs/remotes/origin/HEAD 'ref:refs/remotes/origin/test'
>> fatal: ref:refs/remotes/origin/test: not a valid SHA1
>> ❯ git update-ref  refs/remotes/origin/HEAD 'ref:refs/remotes/origin/test'
>> fatal: ref:refs/remotes/origin/test: not a valid SHA1
>>
>> I guess the intended way of doing this is via git symbolic-ref anyway, but I'm
>> curious if this should work somehow or I'm misinterpreting the meaning of that
>> sentence.
> 
> I do not think update-ref is a tool to modify a symbolic-ref.

Didn't we add support for symbolic-refs to update-ref with 'kn/update-ref-symref'? Maybe it only works with --stdin? I've Cc'd Karthik for clarification on how it is supposed to work.

Best Wishes

Phillip

Show 18 quoted lines

> Moreover, the mention of "ref:" is meant to be for those who are
> overly curious for their own good and go peek into their .git/
> directory; script writers should not have to know such an
> implementation detail.
> 
> : ask what the current state is.
> $ git symbolic-ref refs/remotes/origin/HEAD
> fatal: ref refs/remotes/origin/HEAD is not a symbolic ref
> 
> : set it
> $ git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main
> 
> : inspect the result
> $ git symbolic-ref refs/remotes/origin/HEAD
> refs/remotes/origin/master
> 
> Thanks.
>