Add version pkg and struct to print like the cool kids

cmd/root.go

@@ -1,14 +1,16 @@
 package cmd
 
 import (
-	"fmt"
 	"os"
 
 	"github.com/pokanop/nostromo/log"
+	"github.com/pokanop/nostromo/version"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
 
+var ver *version.Info
+
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:   "nostromo",
@@ -36,7 +38,11 @@ func Execute() {
 
 // SetVersion to inject version info
 func SetVersion(v, c, d string) {
-	rootCmd.Version = fmt.Sprintf("[%s %s %s]", v, c, d)
+	ver = &version.Info{
+		SemVer:    v,
+		GitCommit: c,
+		BuildDate: d,
+	}
 }
 
 func init() {
@@ -58,5 +64,5 @@ func printUsage(cmd *cobra.Command) {
 }
 
 func printVersion() {
-	log.Regularf("nostromo version %s\n", rootCmd.Version)
+	log.Regularf("Nostromo: %s\n", ver.Formatted())
 }

version/version.go

@@ -0,0 +1,15 @@
+package version
+
+import "fmt"
+
+// Info identifying version information for releases
+type Info struct {
+	SemVer    string
+	GitCommit string
+	BuildDate string
+}
+
+// Formatted returns version formatted string
+func (i *Info) Formatted() string {
+	return fmt.Sprintf("&version.Info{SemVer:\"%s\", GitCommit:\"%s\", BuildDate:\"%s\"}", i.SemVer, i.GitCommit, i.BuildDate)
+}