gnu: Add go-github-com-urfave-cli.

* gnu/packages/golang.scm (go-github-com-urfave-cli): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu/packages/golang.scm

@@ -1471,3 +1471,28 @@ (define-public go-github-com-tevino-abool
       (description "This package is atomic boolean library for Go code,
 optimized for performance yet simple to use.")
       (license license:expat))))
+
+(define-public go-github-com-urfave-cli
+  (let ((commit "cfb38830724cc34fedffe9a2a29fb54fa9169cd1")
+        (revision "0"))
+    (package
+      (name "go-github-com-urfave-cli")
+      (version (git-version "0.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/urfave/cli.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0y6f4sbzkiiwrxbl15biivj8c7qwxnvm3zl2dd3mw4wzg4x10ygj"))))
+      (build-system go-build-system)
+      (arguments
+       '(#:import-path "github.com/urfave/cli"))
+      (home-page "https://github.com/urfave/cli")
+      (synopsis "Library for building command-line interfaces in Go")
+      (description "This package provides a library for building command-line
+interfaces in Go.")
+      (license license:expat))))