From d8c189ed56d20c2eeb52710b197f52b3472103c8 Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Sun, 27 Jan 2019 16:43:13 +0000
Subject: gnu: Add ruby-unicode-display-width.

Required for ruby-rubocop.

* gnu/packages/ruby.scm (ruby-unicode-display-width): 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 3f4d902740..06f6fffbf3 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -5026,6 +5026,28 @@ (define-public ruby-webmock-2
     (home-page "https://github.com/bblimke/webmock")
     (license license:expat)))
 
+(define-public ruby-unicode-display-width
+  (package
+    (name "ruby-unicode-display-width")
+    (version "1.4.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "unicode-display_width" version))
+       (sha256
+        (base32
+         "0bq528fibi8s0jmxz0xzlgzggdq0x4fx46wfqz49478pv8gb2diq"))))
+    (build-system ruby-build-system)
+    (arguments
+     '(;; Test data not included.
+       #:tests? #f))
+    (synopsis "Determine the monospace display width of Ruby strings")
+    (description
+     "@code{Unicode::DisplayWidth} is a Ruby library which can determine the
+display width of strings in Ruby.")
+    (home-page "https://github.com/janlelis/unicode-display_width")
+    (license license:expat)))
+
 (define-public ruby-domain-name
   (package
     (name "ruby-domain-name")
-- 
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