Re: Help request for new Clojure package definition

[Gary Johnson]

Fabio Natali <me@fabionatali.com> writes:

> I'm trying to package Riddley [0], apparently a dependency for a Clojure
> package I'm interested in.
>
> I haven't done much - I started from one of the existing Clojure
> definitions as an example and I went through a few iterations of
> "build-fail-fix-repeat" until I reached the version below. Then I hit a
> wall.
>
> #+begin_src scheme
> (define-public clojure-riddley
>   (package
>     (name "clojure-riddley")
>     (version "0.2.0")
>     (home-page "https://github.com/ztellman/riddley";)
>     (source (origin
>               (method git-fetch)
>               (uri (git-reference
>                     (url home-page)
>                     (commit version)))
>               (file-name (git-file-name name version))
>               (sha256
>                (base32
>                 "1wpcjxsryzv36bf7ld0y9dw38dqhgji0wb8gsim6dmkgynbmz3q2"))))
>     (build-system clojure-build-system)
>     (arguments
>      '(#:source-dirs '("src/riddley")
>        #:java-source-dirs '("src/riddley")
>        #:test-dirs '("test/riddley")
>        #:doc-dirs '()))
>     (synopsis "A Clojure library for walking and transforming code")
>     (description "This library provides a correct
> @code{riddley.walk/macroexpand-all}, which preserves the binding information 
> in
> @code{&env} and expands inlined functions, and @code{riddley.walk/walk-exprs},
> which is a general mechanism for code walking and transformation.")
>     (license license:expat)))
> #+end_src
>

Hi Fabio,

You are quite close. Remember that #:source-dirs and #:test-dirs are
added to the Java classpath when building and running your Clojure
programs. Because the Clojure namespaces in the clojure-riddley package
are riddley.compiler and riddley.walk, you have to make sure not to
include "riddley" in the #:source-dirs or #:test-dirs paths. Here is an
updated package definition that successfully builds on my machine with
the current version of Guix:

#+begin_src clojure
(define-public clojure-riddley
  (package
   (name "clojure-riddley")
   (version "0.2.0")
   (home-page "https://github.com/ztellman/riddley";)
   (source (origin
            (method git-fetch)
            (uri (git-reference
                  (url home-page)
                  (commit version)))
            (file-name (git-file-name name version))
            (sha256
             (base32
              "1wpcjxsryzv36bf7ld0y9dw38dqhgji0wb8gsim6dmkgynbmz3q2"))))
   (build-system clojure-build-system)
   (arguments
    '(#:source-dirs '("src")
      #:java-source-dirs '("src/riddley")
      #:test-dirs '("test")
      #:doc-dirs '()))
   (synopsis "A Clojure library for walking and transforming code")
   (description "This library provides a correct
@code{riddley.walk/macroexpand-all}, which preserves the binding information in
@code{&env} and expands inlined functions, and @code{riddley.walk/walk-exprs},
which is a general mechanism for code walking and transformation.")
   (license expat)))
#+end_src

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