bug#36371: guix build --with-git-reference=…

[Ludovic Courtès]

Hello!

Ludovic Courtès <address@hidden> skribis:

> $ guix build guile-gcrypt --with-commit=guile-gcrypt=v1.0.0
> updating checkout of 'https://notabug.org/cwebber/guile-gcrypt.git'...
> guix build: error: cannot fetch commit v1.0.0 from 
> https://notabug.org/cwebber/guile-gcrypt.git: unable to parse OID - contains 
> invalid characters
>
> Internally, that uses the ‘git-checkout’ record type defined in (guix
> git).
>
> What I would propose is to change ‘git-checkout-compiler’ so that it can
> determine with a simple heuristic like that of (@@ (guix swh) commit-id?)
> whether the string denotes a commit ID or a tag.

Done in 177fecb57c0c9e15249bf6a49244c9dc6eb8439c.

Thanks,
Ludo’.