Default new CLI and Obsidian environments to NFC path identity

src/common/initialPathIdentity.ts

@@ -0,0 +1,15 @@
+import type { RemoteConnectionProbe } from "@vrtmrz/livesync-commonlib/replication";
+import { withOwnedRemoteResource } from "./ownedRemoteResource";
+
+/** Select initial settings from a read-only declaration before opening the local database. */
+export async function resolveInitialPathIdentity(
+    probe: RemoteConnectionProbe | undefined,
+    newEnvironmentVersion: number
+): Promise<0 | 1> {
+    if (!probe) throw new Error("The remote path identity cannot be inspected.");
+    return await withOwnedRemoteResource(probe, async (ownedProbe) => {
+        if (!ownedProbe.inspectPathIdentity) throw new Error("The remote path identity cannot be inspected.");
+        const result = await ownedProbe.inspectPathIdentity();
+        return result.status === "empty" ? (newEnvironmentVersion === 1 ? 1 : 0) : result.pathNormalizationVersion;
+    });
+}

src/common/initialPathIdentity.unit.spec.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it, vi } from "vitest";
+import type { PathIdentityInspection, RemoteConnectionProbe } from "@vrtmrz/livesync-commonlib/replication";
+import { resolveInitialPathIdentity } from "./initialPathIdentity";
+
+function makeProbe(result: PathIdentityInspection) {
+    return {
+        check: vi.fn(),
+        getStatus: vi.fn(),
+        inspectPathIdentity: vi.fn(async () => result),
+        dispose: vi.fn(async () => undefined),
+    } satisfies RemoteConnectionProbe;
+}
+
+describe("resolveInitialPathIdentity", () => {
+    it.each([0, 1] as const)("adopts existing version %s instead of the new-environment default", async (version) => {
+        const probe = makeProbe({ status: "configured", pathNormalizationVersion: version });
+        await expect(resolveInitialPathIdentity(probe, 1 - version)).resolves.toBe(version);
+        expect(probe.dispose).toHaveBeenCalledOnce();
+    });
+    it.each([0, 1] as const)("retains version %s only for a confirmed empty remote", async (version) => {
+        const probe = makeProbe({ status: "empty" });
+        await expect(resolveInitialPathIdentity(probe, version)).resolves.toBe(version);
+        expect(probe.dispose).toHaveBeenCalledOnce();
+    });
+    it("preserves inspection failures and disposes the probe", async () => {
+        const probe = makeProbe({ status: "empty" });
+        const error = new Error("remote unavailable");
+        probe.inspectPathIdentity.mockRejectedValue(error);
+        await expect(resolveInitialPathIdentity(probe, 1)).rejects.toBe(error);
+        expect(probe.dispose).toHaveBeenCalledOnce();
+    });
+    it("refuses an unavailable inspection capability without guessing", async () => {
+        const probe = makeProbe({ status: "empty" });
+        const { inspectPathIdentity: _inspect, ...unsupported } = probe;
+        await expect(resolveInitialPathIdentity(unsupported, 1)).rejects.toThrow("cannot be inspected");
+        expect(probe.dispose).toHaveBeenCalledOnce();
+        await expect(resolveInitialPathIdentity(undefined, 1)).rejects.toThrow("cannot be inspected");
+    });
+});

src/common/newVaultSettings.ts

@@ -0,0 +1,10 @@
+import { createNewVaultSettings as createCommonlibNewVaultSettings } from "@vrtmrz/livesync-commonlib/settings";
+import type { ObsidianLiveSyncSettings } from "@vrtmrz/livesync-commonlib/compat/common/types";
+
+/** Create settings for a new LiveSync environment. */
+export function createNewVaultSettings(): ObsidianLiveSyncSettings {
+    return {
+        ...createCommonlibNewVaultSettings(),
+        pathNormalizationVersion: 1,
+    };
+}

src/common/newVaultSettings.unit.spec.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it } from "vitest";
+import {
+    NEW_VAULT_SETTINGS,
+    SETTINGS_SCHEMA_DEFAULTS,
+    createNewVaultSettings as createCommonlibNewVaultSettings,
+} from "@vrtmrz/livesync-commonlib/settings";
+import { createNewVaultSettings } from "./newVaultSettings.ts";
+
+describe("createNewVaultSettings", () => {
+    it("selects NFC path identity only for new host settings", () => {
+        expect(SETTINGS_SCHEMA_DEFAULTS.pathNormalizationVersion).toBe(0);
+        expect(NEW_VAULT_SETTINGS.pathNormalizationVersion).toBe(0);
+        expect(createCommonlibNewVaultSettings().pathNormalizationVersion).toBe(0);
+        expect(createNewVaultSettings().pathNormalizationVersion).toBe(1);
+    });
+
+    it("keeps remote configurations independent of shared and other new-Vault settings", () => {
+        const first = createNewVaultSettings();
+        const second = createNewVaultSettings();
+        const shared = createCommonlibNewVaultSettings();
+
+        expect(first.remoteConfigurations).not.toBe(second.remoteConfigurations);
+        expect(first.remoteConfigurations).not.toBe(shared.remoteConfigurations);
+        expect(first.pluginSyncExtendedSetting).not.toBe(second.pluginSyncExtendedSetting);
+        expect(first.pluginSyncExtendedSetting).not.toBe(shared.pluginSyncExtendedSetting);
+
+        first.remoteConfigurations.example = {
+            id: "example",
+            name: "Example",
+            uri: "sls+http://localhost/",
+            isEncrypted: false,
+        };
+
+        expect(second.remoteConfigurations).toEqual({});
+        expect(shared.remoteConfigurations).toEqual({});
+        expect(NEW_VAULT_SETTINGS.remoteConfigurations).toEqual({});
+        expect(NEW_VAULT_SETTINGS.pluginSyncExtendedSetting).toEqual({});
+    });
+});

src/common/replicatorResources.unit.spec.ts

@@ -1,5 +1,5 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
-import { LOG_LEVEL_NOTICE, REMOTE_COUCHDB, REMOTE_MINIO } from "@vrtmrz/livesync-commonlib/compat/common/types";
+import { LOG_LEVEL_NOTICE, REMOTE_COUCHDB, REMOTE_MINIO, VERSIONING_DOCID } from "@vrtmrz/livesync-commonlib/compat/common/types";
 import type { ObsidianLiveSyncSettings } from "@vrtmrz/livesync-commonlib/compat/common/types";
 import { createNewVaultSettings } from "@vrtmrz/livesync-commonlib/settings";
 
@@ -21,6 +21,7 @@ const mocks = vi.hoisted(() => ({
     objectStorage: [] as Array<{
         host: unknown;
         tryConnectRemote: ReturnType<typeof vi.fn>;
+        inspectRemotePathIdentity: ReturnType<typeof vi.fn>;
         getRemoteStatus: ReturnType<typeof vi.fn>;
         getRemotePreferredTweakValues: ReturnType<typeof vi.fn>;
         getReplicationPBKDF2Salt: ReturnType<typeof vi.fn>;
@@ -64,6 +65,7 @@ vi.mock("@vrtmrz/livesync-commonlib/compat/replication/journal/LiveSyncJournalRe
     LiveSyncJournalReplicator: class {
         host: unknown;
         tryConnectRemote = vi.fn();
+        inspectRemotePathIdentity = vi.fn();
         getRemoteStatus = vi.fn();
         getRemotePreferredTweakValues = vi.fn();
         getReplicationPBKDF2Salt = vi.fn();
@@ -135,6 +137,45 @@ describe("replicator probe factories", () => {
         expect(databaseClose).not.toHaveBeenCalled();
     });
 
+    it("inspects CouchDB identity without encryption setup or remote writes and closes on failure", async () => {
+        const source = { ...createSettings(), encrypt: true };
+        const probe = await createCouchDBConnectionProbeFactory({} as never)(source);
+        const replicator = mocks.couchDB[0];
+        const get = vi.fn(async () => ({ _id: VERSIONING_DOCID, type: "versioninfo", version: 13, used_features: ["nfc-path-identity-v1"] }));
+        const close = vi.fn(async () => undefined);
+        replicator.connectRemoteCouchDBWithSetting.mockResolvedValue({ db: { get }, close });
+        await expect(probe.inspectPathIdentity!()).resolves.toEqual({
+            status: "configured",
+            pathNormalizationVersion: 1,
+        });
+        expect(replicator.connectRemoteCouchDBWithSetting).toHaveBeenCalledWith(
+            { ...source, encrypt: false },
+            false,
+            false,
+            false
+        );
+        expect(close).toHaveBeenCalledOnce();
+        get.mockRejectedValueOnce(new Error("read unavailable"));
+        await expect(probe.inspectPathIdentity!()).rejects.toThrow("read unavailable");
+        expect(close).toHaveBeenCalledTimes(2);
+        expect(replicator.getReplicationPBKDF2Salt).not.toHaveBeenCalled();
+    });
+
+    it("delegates Journal identity inspection to the owned settings snapshot", async () => {
+        const source = createSettings();
+        const snapshot = { ...source };
+        const probe = await createObjectStorageConnectionProbeFactory({} as never)(source);
+        const replicator = mocks.objectStorage[0];
+        replicator.inspectRemotePathIdentity.mockResolvedValue({ status: "empty" });
+        source.bucket = "changed";
+        await expect(probe.inspectPathIdentity!()).resolves.toEqual({ status: "empty" });
+        expect(replicator.inspectRemotePathIdentity).toHaveBeenCalledWith(snapshot);
+        expect(replicator.tryConnectRemote).not.toHaveBeenCalled();
+        expect(replicator.getReplicationPBKDF2Salt).not.toHaveBeenCalled();
+        await probe.dispose();
+        expect(replicator.closeReplication).toHaveBeenCalledOnce();
+    });
+
     it("maps a CouchDB connection error string and delegates status to the same snapshot", async () => {
         const source = createSettings();
         const snapshot = { ...source };

src/common/replicatorResources/connection.ts

@@ -8,6 +8,7 @@ import {
     LiveSyncCouchDBReplicator,
     type LiveSyncCouchDBReplicatorEnv,
 } from "@vrtmrz/livesync-commonlib/compat/replication/couchdb/LiveSyncReplicator";
+import { inspectDatabasePathIdentity } from "@vrtmrz/livesync-commonlib/replication";
 import { LOG_LEVEL_NOTICE, Logger } from "@vrtmrz/livesync-commonlib/compat/common/logger";
 import { LiveSyncJournalReplicator } from "@vrtmrz/livesync-commonlib/compat/replication/journal/LiveSyncJournalReplicator";
 import { createReplicatorDisposer, snapshotRemoteSettings } from "./shared";
@@ -51,6 +52,20 @@ function createCouchDBConnectionProbe(
                 await connection.close();
             }
         },
+        inspectPathIdentity: async () => {
+            const connection = await replicator.connectRemoteCouchDBWithSetting(
+                { ...snapshot, encrypt: false },
+                replicator.isMobile(),
+                false,
+                false
+            );
+            if (typeof connection === "string") throw new Error(connection);
+            try {
+                return await inspectDatabasePathIdentity(connection.db);
+            } finally {
+                await connection.close();
+            }
+        },
         getStatus: () => replicator.getRemoteStatus(snapshot),
         dispose,
     };
@@ -70,6 +85,7 @@ function createObjectStorageConnectionProbe(
                 return { ok: false, reason: error };
             }
         },
+        inspectPathIdentity: () => replicator.inspectRemotePathIdentity(snapshot),
         getStatus: () => replicator.getRemoteStatus(snapshot),
         dispose,
     };