mirrorbits: set and check package version

pkgs/by-name/mi/mirrorbits/package.nix

@@ -1,5 +1,6 @@
 {
   lib,
+  versionCheckHook,
   buildGoModule,
   fetchFromGitHub,
   pkg-config,
@@ -36,8 +37,13 @@ buildGoModule (finalAttrs: {
   ldflags = [
     "-s"
     "-w"
+    "-X github.com/etix/mirrorbits/core.VERSION=${finalAttrs.version}"
   ];
 
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  versionCheckProgramArg = "version";
+
   meta = {
     description = "Geographical download redirector for distributing files efficiently across a set of mirrors";
     homepage = "https://github.com/etix/mirrorbits";