14/26: gnu: Add perl6-meta6.

[guix-commits]

efraim pushed a commit to branch wip-perl6
in repository guix.

commit 6e902377a747d3b8025941f9975930f6bc5e11fe
Author: Efraim Flashner <address@hidden>
Date:   Sat Mar 9 22:14:39 2019 +0200

    gnu: Add perl6-meta6.
    
    * gnu/packages/perl6.scm (perl6-meta6): New variable.
---
 gnu/packages/perl6.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/perl6.scm b/gnu/packages/perl6.scm
index 6ab6d71..d41167d 100644
--- a/gnu/packages/perl6.scm
+++ b/gnu/packages/perl6.scm
@@ -363,6 +363,40 @@ It will of course also be needed in classes thar are going 
to use
 create an object from a JSON representation of an object.")
       (license license:expat))))
 
+(define-public perl6-meta6
+  (package
+    (name "perl6-meta6")
+    (version "0.0.23")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/jonathanstowe/META6.git";)
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32
+          "1xnlaamfbdlfb2zidim3bbc4mawsrg6qxhxi6gbld46z1cyry1cw"))))
+    (build-system rakudo-build-system)
+    (propagated-inputs
+     `(("perl6-json-class" ,perl6-json-class)))
+    (native-inputs
+     `(("perl6-json-fast" ,perl6-json-fast)))
+    (home-page "https://github.com/jonathanstowe/META6";)
+    (synopsis "Do things with Perl 6 [META files]")
+    (description "This provides a representation of the Perl 6 META files
+specification - the META file data can be read, created, parsed and written in 
a
+manner that is conformant with the specification.
+
+Where they are known about it also makes allowance for @quot{customary} usage 
in
+existing software (such as installers and so forth.)
+
+The intent of this is allow the generation and testing of META files for module
+authors, so it can provide meta-information whether the attributes are 
mandatory
+as per the spec and where known the places that @quot{customary} attributes are
+used.")
+    (license license:artistic2.0)))
+
 (define-public perl6-tap-harness
   (package
     (name "perl6-tap-harness")