first version

internal/version/version.go

@@ -0,0 +1,20 @@
+package version
+
+import (
+	"fmt"
+	"runtime"
+)
+
+var (
+	Version   string
+	BuildDate string
+)
+
+func PrintCliVersion() string {
+	return fmt.Sprintf(
+		"version: %s, built on %s, %s",
+		Version,
+		BuildDate,
+		runtime.Version(),
+	)
+}