feat: add shuttle extensions cli commands

cmd/cmd.go

@@ -159,6 +159,8 @@ func initializedRootFromArgs(stdout, stderr io.Writer, args []string) (*cobra.Co
 	// Run and LS will not get closured variables from contextProvider
 	rootCmd.ParseFlags(args)
 
+	rootCmd.AddCommand(newExtCmd())
+
 	if isInRepoContext() {
 		runCmd, err := newRun(uii, ctxProvider)
 		if err != nil {

cmd/ext.go

@@ -0,0 +1,59 @@
+package cmd
+
+import (
+	"github.com/lunarway/shuttle/internal/extensions"
+	"github.com/spf13/cobra"
+)
+
+func newExtCmd() *cobra.Command {
+	extManager := extensions.NewExtensionsManager("some registry")
+
+	cmd := &cobra.Command{
+		Use:  "ext",
+		Long: "helps you manage shuttle extensions",
+	}
+
+	cmd.AddCommand(
+		newExtInstallCmd(extManager),
+		newExtUpdateCmd(extManager),
+		newExtInitCmd(extManager),
+	)
+
+	return cmd
+}
+
+func newExtInstallCmd(extManager *extensions.ExtensionsManager) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:  "install",
+		Long: "Install ensures that extensions already known about are downloaded and available",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return nil
+		},
+	}
+
+	return cmd
+}
+
+func newExtUpdateCmd(extManager *extensions.ExtensionsManager) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:  "update",
+		Long: "Update will fetch the latest version of the extensions from the given registry",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return nil
+		},
+	}
+
+	return cmd
+}
+
+func newExtInitCmd(extManager *extensions.ExtensionsManager) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:  "init",
+		Long: "init will create an initial extensions repository",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return nil
+		},
+	}
+
+	return cmd
+}

internal/extensions/extensions.go

@@ -0,0 +1,31 @@
+package extensions
+
+import "context"
+
+type ExtensionsManager struct {
+	registry string
+}
+
+func NewExtensionsManager(registry string) *ExtensionsManager {
+	return &ExtensionsManager{
+		registry: registry,
+	}
+}
+
+func (e *ExtensionsManager) Init(ctx context.Context) error {
+	return nil
+}
+
+func (e *ExtensionsManager) GetAll(ctx context.Context) ([]Extension, error) {
+	return nil, nil
+}
+
+func (e *ExtensionsManager) Install(ctx context.Context) error {
+	return nil
+}
+
+func (e *ExtensionsManager) Update(ctx context.Context) error {
+	return nil
+}
+
+type Extension struct{}