Re: [PATCH] branch: let --delete-merged find squash merged branches

[Phillip Wood <phillip.wood123@gmail.com>]

Hi Harald

On 08/10/2026 19:42, Harald Nordgren wrote:
>> Even an efficient implementation is going to be a lot slower when it is
>> trying to find branches that have been squashed, so I think we probably
>> do want a way to turn it off. That's especially true in partial clones
>> where we'll have to download a bunch of blobs to do the squash
>> detection. So long as it isn't diabolically slow enabling it by default
>> is probably fine.
> 
> A bit slower (depends on how much!) could be worth it for improved
> usability. This is not a command that users will run multiple times a
> day.
> 
> I would hope we could have it on by default and add a flag to turn it
> off instead.

That's my hope too

> For partial or shallow clones, we should probably warn the user that
> detection won't be able to search the full history, and offer them to
> unshallow, etc. It's very reasonable that some parts are turned off,
> when the user doesn't want to hold the complete repo.
I've not really though much about shallow clones, but for partial clones 
I think it is perfectly reasonable to go and fetch the blobs we need to 
calculate the patch ids and warn in the documentation that it can be slow.

Thanks

Phillip