From c8355162bc7320e2aba373f7c6f515021c63d5a4 Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Wed, 1 Aug 2018 07:40:57 +0100
Subject: gnu: Add ruby-descendants-tracker.

* gnu/packages/ruby.scm (ruby-descendants-tracker): New variable.
---
 gnu/packages/ruby.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index efb9f1abf9..36bd22b058 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1214,6 +1214,28 @@ support for security mechanisms.")
     (home-page "https://github.com/paddor/cztop")
     (license license:isc)))
 
+(define-public ruby-descendants-tracker
+  (package
+    (name "ruby-descendants-tracker")
+    (version "0.0.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "descendants_tracker" version))
+       (sha256
+        (base32
+         "15q8g3fcqyb41qixn6cky0k3p86291y7xsh1jfd851dvrza1vi79"))))
+    (build-system ruby-build-system)
+    (propagated-inputs
+     `(("ruby-thread-safe" ,ruby-thread-safe)))
+    (synopsis
+     "Module that adds descendant tracking to a class")
+    (description
+     "Module that adds descendant tracking to a class")
+    (home-page
+     "https://github.com/dkubb/descendants_tracker")
+    (license license:expat)))
+
 (define-public ruby-saikuro-treemap
   (package
     (name "ruby-saikuro-treemap")
-- 
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