Re: Grue Hunter: Can't create directories in the store

[Nikita Karetnikov]

How can I unpack the tarball?  The following returns "In execvp of tar:
No such file or directory."

(arguments `(#:modules ...
                         #:builder
                         (begin
                           ...
                           (let* ((tarball (assoc-ref %build-inputs "tarball"))
                                          ...)
                                 (system* "tar" "xvf" tarball)
                                 ...))))

(inputs `(...
                  ("tarball" ,source)))

(display tarball) returns 
'/nix/store/6xwqfw5k58l0bhzzm8s81rrkmhm88vk4-grue-hunter.tar.gz'.

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