12/18: gnu: Add r-docopt.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit fbebccf7f6459a7543defbbdb98abd26e9ac56e6
Author: Ricardo Wurmus <address@hidden>
Date:   Mon Jan 7 16:21:49 2019 +0100

    gnu: Add r-docopt.
    
    * gnu/packages/cran.scm (r-docopt): New variable.
---
 gnu/packages/cran.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index eaf3449..6551811 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -8705,3 +8705,22 @@ manipulate tree data.")
      "This package provides tools to check the latest release version of R and
 R packages (on CRAN, Bioconductor or Github).")
     (license license:artistic2.0)))
+
+(define-public r-docopt
+  (package
+    (name "r-docopt")
+    (version "0.6.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "docopt" version))
+       (sha256
+        (base32
+         "06zknnd0c5s2y0hbddzdlr3m63ib783izpck6pgz7sjbab5pd068"))))
+    (build-system r-build-system)
+    (home-page "https://github.com/docopt/docopt.R";)
+    (synopsis "Command-line interface specification language")
+    (description
+     "This package enables you to define a command-line interface by just
+giving it a description in the specific format.")
+    (license license:expat)))