Add remote listing support to sgard list via -r flag.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

PROGRESS.md

@@ -111,3 +111,4 @@ Phase 6: Manifest Signing (to be planned).
 | 2026-03-25 | — | `sgard info` command: shows detailed file information (status, hash, timestamps, mode, encryption, targeting). 5 tests. |
 | 2026-03-25 | — | Deploy sgardd to rift: Dockerfile, docker-compose, mc-proxy L4 route on :9443, Metacrypt TLS cert, DNS. |
 | 2026-03-25 | — | `sgard remote set/show`: persistent remote config in `<repo>/remote.yaml` (addr, tls, tls_ca). |
+| 2026-03-26 | — | `sgard list` remote support: uses `resolveRemoteConfig()` to list server manifest via `PullManifest` RPC. Client `List()` method added. |

client/client.go

@@ -8,6 +8,7 @@ import (
 	"io"
 
 	"github.com/kisom/sgard/garden"
+	"github.com/kisom/sgard/manifest"
 	"github.com/kisom/sgard/server"
 	"github.com/kisom/sgard/sgardpb"
 	"golang.org/x/crypto/ssh"
@@ -273,6 +274,22 @@ func (c *Client) doPull(ctx context.Context, g *garden.Garden) (int, error) {
 	return blobCount, nil
 }
 
+// List fetches the server's manifest and returns its entries without
+// downloading any blobs. Automatically re-authenticates if needed.
+func (c *Client) List(ctx context.Context) ([]manifest.Entry, error) {
+	var entries []manifest.Entry
+	err := c.retryOnAuth(ctx, func() error {
+		resp, err := c.rpc.PullManifest(ctx, &sgardpb.PullManifestRequest{})
+		if err != nil {
+			return fmt.Errorf("list remote: %w", err)
+		}
+		m := server.ProtoToManifest(resp.GetManifest())
+		entries = m.Files
+		return nil
+	})
+	return entries, err
+}
+
 // Prune requests the server to remove orphaned blobs. Returns the count removed.
 // Automatically re-authenticates if needed.
 func (c *Client) Prune(ctx context.Context) (int, error) {

cmd/sgard/list.go

@@ -1,22 +1,57 @@
 package main
 
 import (
+	"context"
 	"fmt"
 
 	"github.com/kisom/sgard/garden"
+	"github.com/kisom/sgard/manifest"
 	"github.com/spf13/cobra"
 )
 
+var listRemoteFlag bool
+
 var listCmd = &cobra.Command{
 	Use:   "list",
 	Short: "List all tracked files",
+	Long:  "List all tracked files locally, or on the remote server with -r.",
 	RunE: func(cmd *cobra.Command, args []string) error {
+		if listRemoteFlag {
+			return listRemote()
+		}
+		return listLocal()
+	},
+}
+
+func listLocal() error {
 	g, err := garden.Open(repoFlag)
 	if err != nil {
 		return err
 	}
 
-		entries := g.List()
+	printEntries(g.List())
+	return nil
+}
+
+func listRemote() error {
+	ctx := context.Background()
+
+	c, cleanup, err := dialRemote(ctx)
+	if err != nil {
+		return err
+	}
+	defer cleanup()
+
+	entries, err := c.List(ctx)
+	if err != nil {
+		return err
+	}
+
+	printEntries(entries)
+	return nil
+}
+
+func printEntries(entries []manifest.Entry) {
 	for _, e := range entries {
 		switch e.Type {
 		case "file":
@@ -31,11 +66,9 @@ var listCmd = &cobra.Command{
 			fmt.Printf("%-6s %s\n", "dir", e.Path)
 		}
 	}
-
-		return nil
-	},
 }
 
 func init() {
+	listCmd.Flags().BoolVarP(&listRemoteFlag, "use-remote", "r", false, "list files on the remote server")
 	rootCmd.AddCommand(listCmd)
 }