[bug#31250] [PATCH] Add leiningen

[Nils Gillmann <ng0@n0.is>]

Ludovic Courtès transcribed 1.7K bytes:
> Hello,
> 
> Charlie Ritter <chewzerita@posteo.net> skribis:
> 
> > From eac978c99ef288926530dcdee64cc9e3b7b8fe32 Mon Sep 17 00:00:00 2001
> > From: Charlie Ritter <chewzerita@posteo.net>
> > Date: Tue, 24 Apr 2018 11:42:39 -0400
> > Subject: [PATCH] gnu: Add leiningen.
> >
> > * gnu/packages/java.scm (leiningen): New variable.

Nice!

> Good to see the family of package managers *and* Lisps grow in Guix.
> :-)
> 
> > +    (source (origin
> > +              (method url-fetch/tarbomb)
> > +              (uri (string-append
> > +                    "https://github.com/technomancy/"
> > +                    name "/archive/" version ".tar.gz"))
> > +              (sha256
> > +               (base32
> > +                "0hjjszxqhc9sh31dpirak3c5ws90z41ypcc16y4s1q35ydlajv3w"))))
> > +    (build-system ant-build-system)
> > +    (arguments
> > +     `(#:phases
> > +       (modify-phases %standard-phases
> > +         (delete 'configure)
> > +         (delete 'build)
> > +         (delete 'check)
> > +         (replace 'install
> > +           (lambda* (#:key outputs #:allow-other-keys)
> > +             (install-file (string-append
> > +                            ,name "-" ,version "/bin/lein")
> > +                           (string-append
> > +                            (assoc-ref outputs "out") "/bin")))))))
> 
> Unfortunately installing the ‘lein’ script alone won’t cut it.  The
> issue is that, AIUI, the script downloads and installs pre-built Jars on
> a first run (through its ‘self_install’ function).

Yes, that's why my attempt at leiningen has been "sleeping" for a long time now...

> The policy for Guix is to build things from source.  So we would have to
> provide Leiningen and its dependencies as packages built from source,
> and to remove the auto-download functionality from the script.

But this is on first run, not during the installation as far as I remember.
So in my opinion that's not an immediate blocker for the initial package.
The obvious fix afterwards is to apply the building from source.

> That’s obviously more work.  WDYT?
> 
> Thanks,
> Ludo’.
> 
> 
>