bug#41527: ‘file-append’ expansion is incorrect when passed a store item

[Ludovic Courtès]

Ludovic Courtès <ludovic.cour...@inria.fr> skribis:

> Since commit d03001a31a6d460b712825640dba11e3f1a53a14, an object like:
>
>   (file-append (local-file …) "/foo/bar")
>
> where (local-file …) is lowered to a store item, say,
> /gnu/store/…-example, would wrongfully expand to:
>
>   /gnu/store/…-example
>
> IOW, the second argument to ‘file-append’ is ignored.

Fixed in abf43d4511566e97f09049aa8b29453a2ed5ed16.

Ludo’.