gnu: Add go-github-com-emersion-go-sasl.

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

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/golang.scm

@@ -3692,6 +3692,30 @@ fnmatch gist (https://gist.github.com/kballard/272720).")
 can be used to build a client and/or a server.")
     (license license:expat)))
 
+(define-public go-github-com-emersion-go-sasl
+  (let ((commit "240c8404624e076f633766c16adbe96c7ac516b7")
+        (revision "0"))
+    (package
+      (name "go-github-com-emersion-go-sasl")
+      (version (git-version "0.0.0" revision commit))
+      (source
+        (origin
+          (method git-fetch)
+          (uri (git-reference
+                (url "https://github.com/emersion/go-sasl")
+                (commit commit)))
+          (sha256
+           (base32
+            "1py18p3clp474xhx6ypyp0bgv6n1dfm24m95cyyqb0k3vibar6ih"))
+          (file-name (git-file-name name version))))
+      (build-system go-build-system)
+      (arguments
+       '(#:import-path "github.com/emersion/go-sasl"))
+      (home-page "https://github.com/emersion/go-sasl")
+      (synopsis "SASL library written in Go")
+      (description "This package provides a SASL library written in Go.")
+      (license license:expat))))
+
 (define-public go-github-com-fatih-color
   (package
     (name "go-github-com-fatih-color")