add basic version command

cmd/backup.go

@@ -14,9 +14,11 @@ var backupCommand = &cobra.Command{
 	Use:   "backup [github.com/username]",
 	Short: "Backup all of the repos at a given github URL",
 	Long:  "This command will backup all of the repos from a user into your CURRENT directory.",
-	Run:   backup,
+	// Run the backup command
+	Run: backup,
 }
 
+// TODO: Put this into another file as to not muddy up the cmd package that should only be used for managing commands
 func backup(cmd *cobra.Command, args []string) {
 	fmt.Println("Hello, from the backup command!")
 }

cmd/version.go

@@ -0,0 +1,20 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(versionCommand)
+}
+
+var versionCommand = &cobra.Command{
+	Use:   "version",
+	Short: "Print the version of GoBackup",
+	Long:  "All software has a version, and this is GoBackup's.",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("GoBackup's Version: Unreleased")
+	},
+}