bug#26822: [PATCH] gnu: Add git-repo.

[Leo Famulari]

On Sun, May 07, 2017 at 11:41:07PM +0200, Hartmut Goebel wrote:
> * gnu/packages/android.scm (git-repo): New variable.

Thanks!

> +     `(#:python ,python-2

If it only supports Python 2, can you say so in a comment?

> +       #:phases
> +       (modify-phases %standard-phases
> +         (replace 'build
> +           (lambda* (#:key outputs #:allow-other-keys)
> +             (let* ((out (assoc-ref outputs "out"))
> +                    (repo-dir (string-append out "/share/" ,name)))
> +               (substitute* "repo"
> +                 (("^repodir = '\\.repo'")
> +                  (string-append "repodir = '" repo-dir "'"))
> +                 (("^S_repo = 'repo'") "S_repo = '.'"))
> +               #t
> +               )))

For clarify, I think it should delete the build phase (since nothing is
built here) and add a new phase for this substitution.

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