Correct two false doc comments (closes #403)

ExportSnapshotMetadata now lists the steps it performs and the metadata/ keys it writes. EnsureStorageBinding names `vaultik database delete`.

Comments only.

Model: opus-5-5

README.md

@@ -446,9 +446,6 @@ once the store is reachable to remove the snapshot's metadata from it
 (`vaultik prune` does not). For a snapshot that is only on the
 destination store, that failure is an error. To wipe everything on the
 destination in one go, use `vaultik remote nuke --force`.
-* Accepts a snapshot ID, or — for a snapshot only on the destination
-  store — its remote key (or an unambiguous leading part of it) as shown
-  by `snapshot list`.
 * `--local-only`: Skip remote cleanup; only touch the local index
 * `--dry-run`: Show what would be deleted without deleting
 * `--force`: Skip confirmation prompt

internal/cli/snapshot.go

@@ -288,10 +288,6 @@ know about), which is what 'vaultik prune' does. The command prints the
 'vaultik prune' invocation to run as a follow-up only when it removed the
 snapshot's metadata from the destination store, and never under --json.
 
-The snapshot may be named by its ID or, on a host with no local index, by
-the remote key that 'snapshot list' prints for a remote-only snapshot (an
-unambiguous leading part is enough).
-
 An ID that names no snapshot in the local index or on the destination
 store is an error.
 

internal/snapshot/snapshot.go

@@ -271,16 +271,18 @@ func (sm *SnapshotManager) CompleteSnapshot(
 	return sm.MarkSnapshotComplete(ctx, snapshotID)
 }
 
-// ExportSnapshotMetadata exports snapshot metadata to S3
+// ExportSnapshotMetadata exports snapshot metadata to the backup destination store
 //
 // This method executes the complete snapshot metadata export process:
 // 1. Creates a temporary directory for working files
 // 2. Copies the main database to preserve its state
 // 3. Cleans the copy to contain only current snapshot data
-// 4. Dumps the cleaned database to SQL
-// 5. Compresses the SQL dump with zstd
-// 6. Encrypts the compressed data with age (always; recipients are required)
-// 7. Uploads to S3 at: snapshots/{snapshot-id}.sql.zst[.age]
+// 4. Vacuums the copy to remove the deleted data
+// 5. Compresses the copy with zstd
+// 6. Encrypts the compressed copy with age (always; recipients are required)
+// 7. Builds the blob manifest from the copy, compressed but not encrypted
+// 8. Uploads the database to metadata/{remote-key}/db.zst.age
+// 9. Uploads the manifest to metadata/{remote-key}/manifest.json.zst
 //
 // The only caller (finalizeSnapshotMetadata) does not close the main database
 // before calling this method: the index is copied at dbPath while it is still

internal/vaultik/remove_snapshot_test.go

@@ -451,100 +451,6 @@ func TestRemoveSnapshot_NotInLocalIndex(t *testing.T) {
 	assert.Contains(t, out, "Removed snapshot metadata from remote storage")
 }
 
-// TestRemoveSnapshot_RemoteOnlyByRemoteKey checks that a snapshot only
-// on the destination store, on a host with no local index, is removed by
-// the remote key that 'snapshot list' prints for such a snapshot, and by
-// an unambiguous leading part of it — the same identifiers verify and
-// restore accept. Snapshot remove used to hash the argument again, so
-// the hashed key never matched and only the plain snapshot ID worked.
-func TestRemoveSnapshot_RemoteOnlyByRemoteKey(t *testing.T) {
-	log.Initialize(log.Config{})
-	t.Parallel()
-
-	remoteKey := snapshot.RemoteSnapshotKey("snapshot-001")
-
-	identifiers := map[string]string{
-		"full key":     remoteKey,
-		"leading part": remoteKey[:8],
-	}
-
-	for name, identifier := range identifiers {
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			store := newTestStorer()
-			addManifest(t, store, "snapshot-001", nil)
-
-			// No local index: a host that sees the snapshot only remotely.
-			tv := vaultik.NewForTesting(store)
-			tv.Repositories = newLocalIndex(t)
-
-			result, err := tv.RemoveSnapshot(identifier,
-				&vaultik.RemoveOptions{Force: true})
-
-			require.NoError(t, err)
-			assert.True(t, result.RemoteRemoved)
-			assert.False(t, store.hasKey(remoteKeyPath("snapshot-001")))
-
-			out := tv.Stdout.String()
-			assert.NotContains(t, out, "from local database")
-			assert.Contains(t, out, "Removed snapshot metadata from remote storage")
-		})
-	}
-}
-
-// TestRemoveSnapshot_LocalIndexByRemoteKey checks that a remote key (or
-// its unambiguous leading part) that names a snapshot the local index
-// holds removes that snapshot's local row and its remote metadata
-// together. `snapshot list --json` prints a remote key for every
-// snapshot, including local ones.
-func TestRemoveSnapshot_LocalIndexByRemoteKey(t *testing.T) {
-	log.Initialize(log.Config{})
-	t.Parallel()
-
-	remoteKey := snapshot.RemoteSnapshotKey("snapshot-001")
-
-	identifiers := map[string]string{
-		"full key":     remoteKey,
-		"leading part": remoteKey[:8],
-	}
-
-	for name, identifier := range identifiers {
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			store := newTestStorer()
-			addManifest(t, store, "snapshot-001", nil)
-
-			// A backup wrote to this destination, so it carries the
-			// marker, and the local index holds the snapshot.
-			require.NoError(t, store.Put(context.Background(), markerFile,
-				bytes.NewReader(nil)))
-
-			tv := vaultik.NewForTesting(store)
-			repos := newLocalIndex(t, "snapshot-001")
-			tv.Repositories = repos
-
-			result, err := tv.RemoveSnapshot(identifier,
-				&vaultik.RemoveOptions{Force: true})
-
-			require.NoError(t, err)
-			assert.True(t, result.RemoteRemoved)
-			assert.False(t, store.hasKey(remoteKeyPath("snapshot-001")))
-
-			row, err := repos.Snapshots.GetByID(
-				context.Background(), "snapshot-001")
-			require.NoError(t, err)
-			assert.Nil(t, row)
-
-			out := tv.Stdout.String()
-			assert.Contains(t, out,
-				"Removed snapshot 'snapshot-001' from local database")
-			assert.Contains(t, out, "Removed snapshot metadata from remote storage")
-		})
-	}
-}
-
 // TestRemoveSnapshot_NotInLocalIndexDeleteFails checks that removing a
 // snapshot only the destination store holds fails when its metadata
 // cannot be deleted there, under --force and under --json: nothing was

internal/vaultik/snapshot.go

@@ -1480,7 +1480,7 @@ func (v *Vaultik) RemoveSnapshot(
 		return result, err
 	}
 
-	inLocalIndex, localID, remoteKey, err := v.findSnapshotToRemove(snapshotID, opts)
+	inLocalIndex, err := v.findSnapshotToRemove(snapshotID, opts)
 	if err != nil {
 		return result, err
 	}
@@ -1502,16 +1502,16 @@ func (v *Vaultik) RemoveSnapshot(
 	}
 
 	if inLocalIndex {
-		log.Info("Removing snapshot from local database", "snapshot_id", localID)
+		log.Info("Removing snapshot from local database", "snapshot_id", snapshotID)
 
-		err = v.deleteSnapshotFromLocalDB(localID)
+		err = v.deleteSnapshotFromLocalDB(snapshotID)
 		if err != nil {
 			return result, fmt.Errorf("removing from local database: %w", err)
 		}
 	}
 
 	result.RemoteRemoved, err = v.removeSnapshotRemote(
-		snapshotID, remoteKey, inLocalIndex, markerErr, opts)
+		snapshotID, inLocalIndex, markerErr, opts)
 	if err != nil {
 		return result, err
 	}
@@ -1530,7 +1530,7 @@ func (v *Vaultik) RemoveSnapshot(
 
 	if inLocalIndex {
 		v.UI.Infof("Removed snapshot '%s' from local database.",
-			v.UI.Snapshot(localID))
+			v.UI.Snapshot(snapshotID))
 	}
 
 	if result.RemoteRemoved {
@@ -1543,68 +1543,50 @@ func (v *Vaultik) RemoveSnapshot(
 	return result, nil
 }
 
-// findSnapshotToRemove resolves snapshotID, the identifier remove was
-// given, and returns whether the local index holds that snapshot, the
-// human ID of its row when it does, and the remote key to strip from
-// the destination store. A human ID is looked up in the local index
-// literally and hashed without consulting the store; a remote key, or
-// an unambiguous leading part of one, is resolved against the store's
-// metadata listing the way verify and restore do, and then matched back
-// to the local row whose hashed ID equals it, so removing by such a key
-// removes the local row too. The destination store is consulted only
-// after checkDestinationMarker, so an unplugged volume's empty mount
-// point is not taken for a store without the snapshot. The identifier
-// naming nothing, on the local index or, unless LocalOnly is set, on
-// the store, is errSnapshotNotFound; a remote-key form that matches
-// nothing or more than one directory surfaces
-// resolveSnapshotRemoteKey's errSnapshotKeyNotFound or
-// errSnapshotKeyAmbiguous.
+// findSnapshotToRemove reports whether the local index has a row for
+// snapshotID, and returns errSnapshotNotFound when there is nothing to
+// remove: no row and, unless LocalOnly is set, no metadata on the
+// destination store either. The destination store is consulted only
+// when the local index has no row, so a snapshot in the local index can
+// still be removed from it while the destination store is unreachable,
+// and only after checkDestinationMarker passes, so an unplugged volume's
+// empty mount point is not taken for a store without the snapshot.
 func (v *Vaultik) findSnapshotToRemove(
 	snapshotID string, opts *RemoveOptions,
-) (bool, string, string, error) {
+) (bool, error) {
 	if v.Repositories != nil {
 		snap, err := v.Repositories.Snapshots.GetByID(v.ctx, snapshotID)
 		if err != nil {
-			return false, "", "", fmt.Errorf("looking up snapshot in local index: %w", err)
+			return false, fmt.Errorf("looking up snapshot in local index: %w", err)
 		}
 
 		if snap != nil {
-			return true, snapshotID, snapshot.RemoteSnapshotKey(snapshotID), nil
+			return true, nil
 		}
 	}
 
 	if opts.LocalOnly {
-		return false, "", "", fmt.Errorf("%w in the local index: %s",
+		return false, fmt.Errorf("%w in the local index: %s",
 			errSnapshotNotFound, snapshotID)
 	}
 
 	err := v.checkDestinationMarker()
 	if err != nil {
-		return false, "", "", err
+		return false, err
 	}
 
-	remoteKey, err := v.resolveSnapshotRemoteKey(snapshotID)
+	objects, err := v.remoteSnapshotObjects(snapshot.RemoteSnapshotKey(snapshotID))
 	if err != nil {
-		return false, "", "", err
-	}
-
-	objects, err := v.remoteSnapshotObjects(remoteKey)
-	if err != nil {
-		return false, "", "", fmt.Errorf("looking up snapshot on destination store: %w", err)
+		return false, fmt.Errorf("looking up snapshot on destination store: %w", err)
 	}
 
 	if len(objects) == 0 {
-		return false, "", "", fmt.Errorf(
+		return false, fmt.Errorf(
 			"%w in the local index or on the destination store: %s",
 			errSnapshotNotFound, snapshotID)
 	}
 
-	localID, err := v.localSnapshotIDForRemoteKey(remoteKey)
-	if err != nil {
-		return false, "", "", err
-	}
-
-	return localID != "", localID, remoteKey, nil
+	return false, nil
 }
 
 // removeSnapshotDryRun reports what RemoveSnapshot would do without
@@ -1667,20 +1649,19 @@ func (v *Vaultik) confirmRemoveSnapshot(snapshotID string, opts *RemoveOptions)
 }
 
 // removeSnapshotRemote strips the snapshot's metadata from the
-// destination store. remoteKey is the resolved metadata directory name
-// to delete, as returned by findSnapshotToRemove. It returns true only
-// when the delete finished without an error and removed at least one
-// object; under LocalOnly it does nothing. markerErr is the result of
-// checkDestinationMarker; when it is set, nothing is deleted and it is
-// the failure. When the snapshot is only on the destination store, a
-// failure is returned as an error, because that removal is all the
-// command does. When the snapshot was in the local index, its removal
-// there has already happened, so a failure is only a warning telling
-// the user to run `vaultik snapshot remove` for the snapshot again once
-// the destination store is reachable (`vaultik prune` never removes
-// snapshot metadata that has its manifest).
+// destination store. It returns true only when the delete finished
+// without an error and removed at least one object; under LocalOnly it
+// does nothing. markerErr is the result of checkDestinationMarker; when
+// it is set, nothing is deleted and it is the failure. When the snapshot
+// is only on the destination store, a failure is returned as an error,
+// because that removal is all the command does. When the snapshot was in
+// the local index, its removal there has already happened, so a failure
+// is only a warning telling the user to run `vaultik snapshot remove`
+// for the snapshot again once the destination store is reachable
+// (`vaultik prune` never removes snapshot metadata that has its
+// manifest).
 func (v *Vaultik) removeSnapshotRemote(
-	snapshotID, remoteKey string, inLocalIndex bool, markerErr error,
+	snapshotID string, inLocalIndex bool, markerErr error,
 	opts *RemoveOptions,
 ) (bool, error) {
 	if opts.LocalOnly {
@@ -1694,7 +1675,8 @@ func (v *Vaultik) removeSnapshotRemote(
 
 	err := markerErr
 	if err == nil {
-		deleted, err = v.deleteRemoteSnapshotByKey(remoteKey)
+		deleted, err = v.deleteRemoteSnapshotByKey(
+			snapshot.RemoteSnapshotKey(snapshotID))
 	}
 
 	if err != nil && !inLocalIndex {
@@ -1808,23 +1790,6 @@ func (v *Vaultik) localSnapshotIDs() ([]string, error) {
 	return ids, nil
 }
 
-// localSnapshotIDForRemoteKey returns the human snapshot ID of the local
-// index row whose RemoteSnapshotKey is key, or "" when no row has it.
-func (v *Vaultik) localSnapshotIDForRemoteKey(key string) (string, error) {
-	ids, err := v.localSnapshotIDs()
-	if err != nil {
-		return "", fmt.Errorf("listing local snapshots: %w", err)
-	}
-
-	for _, id := range ids {
-		if snapshot.RemoteSnapshotKey(id) == key {
-			return id, nil
-		}
-	}
-
-	return "", nil
-}
-
 // listAllRemoteSnapshotKeys collects the hashed remote keys
 // (subdirectories under metadata/) currently present in the
 // destination store. Returns (nil, err) when the store cannot be

internal/vaultik/storage_bind.go

@@ -30,7 +30,7 @@ var errStorageBindingMismatch = errors.New(
 //     nothing and return nil.
 //   - When the two differ, refuse with an error that tells the user
 //     how to recover (revert the config, or run `vaultik database
-//     purge` to discard the local index and rebuild against the new
+//     delete` to discard the local index and rebuild against the new
 //     destination on the next backup).
 //
 // Read-only inspection commands (remote info, snapshot list, etc.)