[PATCH 05/19] gnu: Add r-evaluate.

[Vicente Vera <vicentemvp@gmail.com>]

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From c386e31fc1b2ae45c52a6a4314f6993498f3a76b Mon Sep 17 00:00:00 2001
From: Vicente Vera Parra <vicentemvp@gmail.com>
Date: Sun, 13 Sep 2015 13:10:35 -0300
Subject: [PATCH 05/19] gnu: Add r-evaluate.

* gnu/packages/statistics.scm (r-evaluate): New variable.
---
 gnu/packages/statistics.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 54cbb42..d34020f 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -578,3 +578,23 @@ among CRAN package. By placing these libraries in this package, we
 offer a more efficient distribution system for CRAN as replication of
 this code in the sources of other packages is avoided.")
     (license license:boost1.0)))
+
+(define-public r-evaluate
+  (package
+    (name "r-evaluate")
+    (version "0.7.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://cran/src/contrib/evaluate_"
+                                  version ".tar.gz"))
+              (sha256
+               (base32 "0r4jl32d817w9472l7a240w3aip5h7v0vw7byvkwqwv8gnx8r7xv"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-stringr" ,r-stringr)))
+    (home-page "https://github.com/hadley/evaluate")
+    (synopsis "Parsing and Evaluation Tools that Provide More Details than the Default")
+    (description
+     "Parsing and evaluation tools that make it easy to recreate the
+command line behaviour of R.")
+    (license license:gpl3+)))
-- 
2.5.1