Re: Specify patches for packages with local source

[Ludovic Courtès]

Hi,

Mekeor Melire <address@hidden> skribis:

> Is it possible to specify patches for packages with local source?
>
> The `local-file` declaration doesn't allow a `patches` declaration.

Indeed, that’s annoying.

I would suggest maybe using ‘computed-file’ in conjunction with
‘local-file’ to apply the patch, but that means duplicating the patching
logic of origins, which is inconvenient.

> Therefore, I'm guessing I'd have to use `origin`. But I'm not sure
> whether either (method git-fetch) or (method url-fetch) allow to specify
> a local path?
>
> The manual states:
>
>     URL-FETCH from ‘(guix download)’
>          download a file from the HTTP, HTTPS, or FTP URL
>          specified in the ‘uri’ field;
>
> But is "file://" also supported? Can I write something as follows?
>
>     (define-public own-st
>         (package
>             (inherit st)
>             (source
>                 (origin
>                     (method url-fetch)
>                     (uri        "/path/to/st") ; like this ← ?
>                    ;(uri "file:///path/to/st") ; or like this ← ?
>                    (patches …)))))

I think so.  The problem is that you wouldn’t want to write an absolute
file name here, so it’s not convenient.

Ludo’.