08/38: gnu: Add ruby-kpeg.

[guix-commits]

apteryx pushed a commit to branch master
in repository guix.

commit 439d47cdb1ed6bc29a9222a96ebe13f908d2e726
Author: Maxim Cournoyer <maxim.cournoyer@gmail.com>
AuthorDate: Sun Jun 28 16:56:49 2020 -0400

    gnu: Add ruby-kpeg.
    
    * gnu/packages/ruby.scm (ruby-kpeg): New variable.
---
 gnu/packages/ruby.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 2537a26..d636561 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -8446,6 +8446,29 @@ your application.")
                (base32
                 "1h39zqqxp3k4qk49ajpx0jps1vmvxgkh43mqkb6znk583bl0fv71"))))))
 
+(define-public ruby-kpeg
+  (package
+  (name "ruby-kpeg")
+  (version "1.1.0")
+  (source
+    (origin
+      (method url-fetch)
+      (uri (rubygems-uri "kpeg" version))
+      (sha256
+        (base32
+          "0x2kpfrcagj931masm5y1kwbnc6nxl60cqdcd3lyd1d2hz7kzlia"))))
+  (build-system ruby-build-system)
+  (native-inputs
+   `(("ruby-hoe" ,ruby-hoe)))
+  (synopsis "PEG library for Ruby")
+  (description "KPeg is a simple PEG library for Ruby.  It provides an API as
+well as native grammar to build the grammar.  KPeg supports direct left
+recursion of rules via the
+@uref{http://www.vpri.org/pdf/tr2008003_experimenting.pdf,OMeta memoization}
+technique.")
+  (home-page "https://github.com/evanphx/kpeg";)
+  (license license:expat)))
+
 (define-public ruby-rdoc
   (package
     (name "ruby-rdoc")