14/23: gnu: Add ruby-tdiff.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 2632a0671283fb1dabb02f98acce2777c3d67309
Author: Ricardo Wurmus <address@hidden>
Date:   Wed Nov 25 15:44:17 2015 +0100

    gnu: Add ruby-tdiff.
    
    * gnu/packages/ruby.scm (ruby-tdiff): New variable.
---
 gnu/packages/ruby.scm |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index bdcb7ce..9ac859b 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -2405,6 +2405,28 @@ including comments and whitespace.")
     (home-page "https://github.com/knu/ruby-unf_ext";)
     (license license:expat)))
 
+(define-public ruby-tdiff
+  (package
+    (name "ruby-tdiff")
+    (version "0.3.3")
+    (source (origin
+              (method url-fetch)
+              (uri (rubygems-uri "tdiff" version))
+              (sha256
+               (base32
+                "0k41jbvn8qq4mgrixnhlk742b971d136i8wpbcv2cczvi22xpc86"))))
+    (build-system ruby-build-system)
+    (native-inputs
+     `(("ruby-rspec-2" ,ruby-rspec-2)
+       ("ruby-yard" ,ruby-yard)
+       ("ruby-rubygems-tasks" ,ruby-rubygems-tasks)))
+    (synopsis "Calculate the differences between two tree-like structures")
+    (description
+     "This library provides functions to calculate the differences between two
+tree-like structures.  It is similar to Ruby's built-in @code{TSort} module.")
+    (home-page "https://github.com/postmodern/tdiff";)
+    (license license:expat)))
+
 (define-public ruby-rack
   (package
     (name "ruby-rack")