Stephen,

Stephen Scheck 写道：
> Is there a way to retrieve the unaltered source of a Git project 
> in a
> `(package ...)` definition? I'm using `%build-inputs` to 
> retrieve the
> source, but this is a directory in /gnu/store, and all of the 
> file
> permissions are changed to read-only (0400), which unfortunately 
> causes
> problems with the project's build.

Try adding a phase like this[0] one.  It's usually sufficient.

Kind regards,

T G-R

[0]: 
https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/xml.scm#n2022