initial project structure

cmd/root.go

@@ -0,0 +1,40 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+const ApplicationName = "imgbom"
+
+var rootOptions struct {
+	cfgFile   string
+}
+
+var rootCmd = &cobra.Command{
+	Use:   ApplicationName,
+	Short: "A container image BOM tool",
+	Long:  `todo.`,
+	Run:    doRunCmd,
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(loadApplicationConfig)
+	rootCmd.PersistentFlags().StringVar(&rootOptions.cfgFile, "config", "", "config file")
+}
+
+func loadApplicationConfig() {
+	// TODO...
+}
+
+func doRunCmd(cmd *cobra.Command, args []string) {
+
+}

cmd/version.go

@@ -0,0 +1,33 @@
+package cmd
+
+import (
+"fmt"
+
+"github.com/spf13/cobra"
+)
+
+type Version struct {
+	Version   string
+	Commit    string
+	BuildTime string
+}
+
+var version *Version
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "show the version",
+	Run:   printVersion,
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+func SetVersion(v *Version) {
+	version = v
+}
+
+func printVersion(cmd *cobra.Command, args []string) {
+	fmt.Printf("%s %s\n", ApplicationName, version.Version)
+}