gnu: Add go-github-com-blevesearch-upsidedown-store-api.

* gnu/packages/golang-xyz.scm (go-github-com-blevesearch-upsidedown-store-api):
New variable.

Change-Id: Ic423c6983df8ec211c9e867f1bb387b6cb3a9952
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/golang-xyz.scm

@@ -3468,6 +3468,30 @@ subsequent calls by using the @code{SetCurrent()} method.")
 frequently used with (but not limited to) the Polish language.")
     (license license:asl2.0)))
 
+(define-public go-github-com-blevesearch-upsidedown-store-api
+  (package
+    (name "go-github-com-blevesearch-upsidedown-store-api")
+    (version "1.0.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/blevesearch/upsidedown_store_api")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1sjs1ad4iprnmrac6g5acrb68g30q6zfihvnxx498iwq3sg4rbrz"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/blevesearch/upsidedown_store_api"))
+    (home-page "https://github.com/blevesearch/upsidedown_store_api")
+    (synopsis "Upside Down key-value store API")
+    (description
+     "Upside Down supports a pluggable key-value storage interface.  This
+package provides that key-value store API interface.")
+    (license license:asl2.0)))
+
 (define-public go-github-com-bmatcuk-doublestar
   (package
     (name "go-github-com-bmatcuk-doublestar")