containerlab: fix version definition in LDFLAGS (#404091)

pkgs/by-name/co/containerlab/package.nix

@@ -3,6 +3,7 @@
   buildGoModule,
   fetchFromGitHub,
   installShellFiles,
+  versionCheckHook,
 }:
 
 buildGoModule rec {
@@ -23,9 +24,9 @@ buildGoModule rec {
   ldflags = [
     "-s"
     "-w"
-    "-X github.com/srl-labs/containerlab/cmd.version=${version}"
-    "-X github.com/srl-labs/containerlab/cmd.commit=${src.rev}"
-    "-X github.com/srl-labs/containerlab/cmd.date=1970-01-01T00:00:00Z"
+    "-X github.com/srl-labs/containerlab/cmd/version.Version=${version}"
+    "-X github.com/srl-labs/containerlab/cmd/version.commit=${src.rev}"
+    "-X github.com/srl-labs/containerlab/cmd/version.date=1970-01-01T00:00:00Z"
   ];
 
   preCheck = ''
@@ -41,6 +42,12 @@ buildGoModule rec {
       --zsh <($out/bin/containerlab completion zsh)
   '';
 
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+  doInstallCheck = true;
+  versionCheckProgramArg = "version";
+
   meta = {
     description = "Container-based networking lab";
     homepage = "https://containerlab.dev/";