gnu: Add go-gopkg.in-check.v1.

* gnu/packages/check.scm (go-gopkg.in-check.v1): New variable.

gnu/packages/check.scm

@@ -59,6 +59,7 @@
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system go)
   #:use-module (guix build-system python)
   #:use-module (guix build-system trivial))
 
@@ -283,6 +284,30 @@ normally do not detect.  The goal is to detect only real errors in the code
 (i.e. have zero false positives).")
     (license license:gpl3+)))
 
+(define-public go-gopkg.in-check.v1
+  (let ((commit "20d25e2804050c1cd24a7eea1e7a6447dd0e74ec")
+        (revision "0"))
+    (package
+      (name "go-gopkg.in-check.v1")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/go-check/check.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0k1m83ji9l1a7ng8a7v40psbymxasmssbrrhpdv2wl4rhs0nc3np"))))
+      (build-system go-build-system)
+      (arguments
+       '(#:import-path "gopkg.in/check.v1"))
+      (synopsis "Rich testing extension for Go's testing package")
+      (description
+       "@code{check} is a rich testing extension for Go's testing package.")
+      (home-page "https://github.com/go-check/check")
+      (license license:bsd-2))))
+
 (define-public googletest
   (package
     (name "googletest")