gnu: Add go-github-com-masterminds-semver.

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

gnu/packages/golang.scm

@@ -4286,4 +4286,32 @@ suffix comparison, rather than the string-based or tree-based approaches.")
 various ways.  It is a Go implementation of some string manipulation libraries
 of Java Apache Commons.")
     (license license:asl2.0)))
+
+(define-public go-github-com-masterminds-semver
+  (package
+    (name "go-github-com-masterminds-semver")
+    (version "3.1.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/Masterminds/semver")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1g1wizfdy29d02l9dh8gsb029yr4m4swp13swf0pnh9ryh5f1msz"))))
+    (build-system go-build-system)
+    (arguments
+     `(#:import-path "github.com/Masterminds/semver"))
+    (home-page "https://github.com/Masterminds/semver/")
+    (synopsis "@code{semver} helps to work with semantic versions")
+    (description "The semver package provides the ability to work with
+semantic versions.  Specifically it provides the ability to:
+@itemize
+@item Parse semantic versions
+@item Sort semantic versions
+@item Check if a semantic version fits within a set of constraints
+@item Optionally work with a @code{v} prefix
+@end itemize\n")
+    (license license:expat)))
     (license license:expat)))