gnu: Add go-github-com-felixge-httpsnoop.

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

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/golang.scm

@@ -22,6 +22,7 @@
 ;;; Copyright © 2020 Ryan Prior <rprior@protonmail.com>
 ;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2020 raingloom <raingloom@riseup.net>
+;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1522,6 +1523,31 @@ GNU extensions} to the POSIX recommendations for command-line options.")
 all types of configuration needs and formats.")
     (license license:expat)))
 
+(define-public go-github-com-felixge-httpsnoop
+  (package
+    (name "go-github-com-felixge-httpsnoop")
+    (version "1.0.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/felixge/httpsnoop")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0ncd8lar5zxiwjhsp315s4hsl4bhnm271h49jhyxc66r5yffgmac"))))
+    (build-system go-build-system)
+    (arguments
+     '(#:import-path "github.com/felixge/httpsnoop"))
+    (home-page "https://github.com/felixge/httpsnoop/")
+    (synopsis "Capture http related metrics")
+    (description
+     "Httpsnoop provides an easy way to capture http related
+metrics (i.e. response time, bytes written, and http status code) from your
+application's http.Handlers.")
+    (license license:expat)))
+
 (define-public go-github-com-fsnotify-fsnotify
   (package
     (name "go-github-com-fsnotify-fsnotify")