gnu: Add go-github-com-rubyist-tracerx.

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

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

gnu/packages/golang.scm

@@ -6662,6 +6662,31 @@ source file.")
     (description "Blackfriday is a Markdown processor in Go.")
     (license license:bsd-2)))
 
+(define-public go-github-com-rubyist-tracerx
+  (let ((commit "787959303086f44a8c361240dfac53d3e9d53ed2")
+        (revision "0"))
+    (package
+      (name "go-github-com-rubyist-tracerx")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/rubyist/tracerx")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1xj5213r00zjhb7d2l6wlwv62g6mss50jwjpf7g8fk8djv3l29zz"))))
+      (build-system go-build-system)
+      (arguments
+       `(#:import-path "github.com/rubyist/tracerx"))
+      (home-page "https://github.com/rubyist/tracerx/")
+      (synopsis "Output tracing information in your Go app")
+      (description "This package is a simple tracing application that logs
+messages depending on environment variables.  It is very much inspired by git's
+GIT_TRACE mechanism.")
+      (license license:expat))))
+
 (define-public go-github-com-shurcool-sanitized-anchor-name
   (package
     (name "go-github-com-shurcool-sanitized-anchor-name")