Oleg Pykhalov <go.wigust@gmail.com> writes:

> * gnu/packages/video.scm (twitchy): New public variable.

[...]
  
> +(define-public twitchy
> +  (let ((commit "0c0f925b9c7ff2aed4a3b0046561cb794143c398"))
> +    (package
> +      (name "twitchy")
> +      (version (git-version "3.2" "1" commit))
> +      (source
> +       (origin
> +         (method git-fetch)
> +         (uri (git-reference
> +               (url "https://github.com/BasioMeusPuga/twitchy.git")
> +               (commit commit)))
> +         (file-name (git-file-name name version))
> +         (sha256
> +          (base32
> +           "02aizvsr744sh8bdqvwwsmp2qpczlzn8fy76h5dyd3517n9nlcz9"))))

Can you add a comment about why a git checkout is necessary?

Apart from that LGTM.