Re: Generated patches change over time

[Maxim Cournoyer]

address@hidden (Ludovic Courtès) writes:

[...]

> You’re right, along the same lines, it could be a fixed-output
> derivation.
>
> The problem is rather that the workflow would be a bit awkward: ‘guix
> download’ would download the raw, unprocessed patch, and thus it would
> give you the “wrong” hash.
>
> In essence you’d have to put a random hash in your package definition,
> run “guix build -S”, copy the correct hash from the error message,
> manually look at the patch, etc.
>
> It’s possible, but it’s a bit awkward IMO.
>
> Or we would need to add a ‘--strip-patch-metadata’ option to ‘guix
> download’ so that it applies the exact same transformation when
> downloading.

The way I see it, `guix download' should just do the right thing -- the
metadata stripping should be baked in and not user
controllable. Alternatively, it could be controllable, but enabled by
default. This would keep the workflow the same as it is now.

Maxim