[PATCH 16/19] gnu: Add r-crayon.

[Vicente Vera <vicentemvp@gmail.com>]

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From d2bf70d4effba6d1cd580704396522a385061d65 Mon Sep 17 00:00:00 2001
From: Vicente Vera Parra <vicentemvp@gmail.com>
Date: Sun, 13 Sep 2015 13:26:29 -0300
Subject: [PATCH 16/19] gnu: Add r-crayon.

* gnu/packages/statistics.scm (r-crayon): New variable.
---
 gnu/packages/statistics.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index cb9a793..a231cb8 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -810,3 +810,26 @@ language at a deeper level.")
      "Cache the results of a function so that when you call it again
 with the same arguments it returns the pre-computed value.")
     (license license:expat)))
+
+(define-public r-crayon
+  (package
+    (name "r-crayon")
+    (version "1.3.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://cran/src/contrib/crayon_"
+                                  version ".tar.gz"))
+              (sha256
+               (base32 "0d38fm06h272a8iqlc0d45m2rh36giwqw7mwq4z8hkp4vs975fmm"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-memoise" ,r-memoise)))
+    (home-page "https://github.com/gaborcsardi/crayon")
+    (synopsis "Colored Terminal Output")
+    (description
+     "Colored terminal output on terminals that support 'ANSI' color
+and highlight codes. It also works in 'Emacs' 'ESS'. 'ANSI' color
+support is automatically detected. Colors and highlighting can be
+combined and nested. New styles can also be created easily. This
+package was inspired by the 'chalk' 'JavaScript' project.")
+    (license license:expat)))
-- 
2.5.1