Default Cobra CMD Setup

cmd/generate.go

@@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var generateCmd = &cobra.Command{
+	Use:   "generate",
+	Short: "Generate project artifacts",
+}
+
+var generateTemplateCmd = &cobra.Command{
+	Use:   "template",
+	Short: "Generate a template",
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: implement template generation
+	},
+}
+
+func init() {
+	generateCmd.AddCommand(generateTemplateCmd)
+	rootCmd.AddCommand(generateCmd)
+}

cmd/root.go

@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"printer.backend/internal/config"
+)
+
+var (
+	cfgFile string
+	cfg     *config.Config
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "printer-backend",
+	Short: "Alox printer backend CLI",
+	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+		if cfgFile == "" {
+			cfg = config.Default()
+			return nil
+		}
+		var err error
+		cfg, err = config.Load(cfgFile)
+		return err
+	},
+	SilenceUsage: true,
+}
+
+// Execute runs the root command.
+func Execute() error {
+	return rootCmd.Execute()
+}
+
+func init() {
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "path to JSON config file")
+}
+
+func exitWithError(err error) {
+	fmt.Fprintln(os.Stderr, err)
+	os.Exit(1)
+}

cmd/serve.go

@@ -0,0 +1,17 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var serveCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "Start the HTTP server",
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: implement server
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(serveCmd)
+}

cmd/version.go

@@ -0,0 +1,29 @@
+package cmd
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print version information",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("printer-backend %s\n", version)
+		fmt.Printf("  commit:  %s\n", commit)
+		fmt.Printf("  built:   %s\n", date)
+		fmt.Printf("  go:      %s\n", runtime.Version())
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}