feat(cli): docs grouping and version

cmd/cleanup.go

@@ -23,6 +23,7 @@ $ hcloud ssh-key list -l apricote.de/created-by=hcloud-upload-image
 
 This command does not handle any parallel executions of hcloud-upload-image
 and will remove in-use resources if called at the same time.`,
+	GroupID: "primary",
 	RunE: func(cmd *cobra.Command, args []string) error {
 		ctx := cmd.Context()
 		logger := contextlogger.From(ctx)

cmd/root.go

@@ -13,6 +13,7 @@ import (
 	"github.com/apricote/hcloud-upload-image/hcloudimages/backoff"
 	"github.com/apricote/hcloud-upload-image/hcloudimages/contextlogger"
 	"github.com/apricote/hcloud-upload-image/internal/ui"
+	"github.com/apricote/hcloud-upload-image/internal/version"
 )
 
 const (
@@ -34,6 +35,8 @@ var rootCmd = &cobra.Command{
 	Long:         `Manage custom OS images on Hetzner Cloud.`,
 	SilenceUsage: true,
 
+	Version: version.Version,
+
 	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
 		ctx := cmd.Context()
 
@@ -100,4 +103,9 @@ func init() {
 	rootCmd.SetErrPrefix("\033[1;31mError:")
 
 	rootCmd.PersistentFlags().CountVarP(&verbose, flagVerbose, "v", "verbose debug output, can be specified up to 2 times")
+
+	rootCmd.AddGroup(&cobra.Group{
+		ID:    "primary",
+		Title: "Primary Commands:",
+	})
 }

cmd/upload.go

@@ -25,6 +25,7 @@ var uploadCmd = &cobra.Command{
 	Short: "Upload the specified disk image into your Hetzner Cloud project.",
 	Long: `This command implements a fake "upload", by going through a real server and snapshots.
 This does cost a bit of money for the server.`,
+	GroupID: "primary",
 
 	RunE: func(cmd *cobra.Command, args []string) error {
 		ctx := cmd.Context()

internal/version/version.go

@@ -0,0 +1,19 @@
+package version
+
+var (
+	// version is a semver version (https://semver.org).
+	version = "0.0.1" // x-release-please-version
+
+	// versionPrerelease is a semver version pre-release identifier (https://semver.org).
+	//
+	// For final releases, we set this to an empty string.
+	versionPrerelease = "dev"
+
+	// Version of the hcloud-upload-image CLI.
+	Version = func() string {
+		if versionPrerelease != "" {
+			return version + "-" + versionPrerelease
+		}
+		return version
+	}()
+)