Extract version command to common location

version/command.go

@@ -0,0 +1,24 @@
+package version
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	// VersionCmd prints out the current sdk version
+	VersionCmd = &cobra.Command{
+		Use:   "version",
+		Short: "Print the app version",
+		Run:   doVersionCmd,
+	}
+)
+
+func doVersionCmd(cmd *cobra.Command, args []string) {
+	v := Version
+	if GitCommit != "" {
+		v = v + " " + GitCommit
+	}
+	fmt.Println(v)
+}