fix(core): disable the db by default

packages/nx/src/hasher/hash-task.ts

@@ -6,13 +6,13 @@ import { ProjectGraph } from '../config/project-graph';
 import { NxJsonConfiguration } from '../config/nx-json';
 import { readNxJson } from '../config/nx-json';
 import { HashedTask, IS_WASM, TaskDetails } from '../native';
-import { getDbConnection } from '../utils/db-connection';
+import { databaseSupportEnabled, getDbConnection } from '../utils/database';
 
 let taskDetails: TaskDetails;
 
 export function getTaskDetails(): TaskDetails | null {
   // TODO: Remove when wasm supports sqlite
-  if (process.env.NX_DISABLE_DB === 'true' || IS_WASM) {
+  if (!databaseSupportEnabled() || IS_WASM) {
     return null;
   }
   if (!taskDetails) {

packages/nx/src/native/tests/cache.spec.ts

@@ -2,7 +2,7 @@ import { TaskDetails, NxCache } from '../index';
 import { join } from 'path';
 import { TempFs } from '../../internal-testing-utils/temp-fs';
 import { rmSync } from 'fs';
-import { getDbConnection } from '../../utils/db-connection';
+import { getDbConnection } from '../../utils/database';
 import { randomBytes } from 'crypto';
 
 describe('Cache', () => {

packages/nx/src/native/tests/task_history.spec.ts

@@ -2,7 +2,7 @@ import { TaskDetails, NxTaskHistory } from '../index';
 import { join } from 'path';
 import { TempFs } from '../../internal-testing-utils/temp-fs';
 import { rmSync } from 'fs';
-import { getDbConnection } from '../../utils/db-connection';
+import { getDbConnection } from '../../utils/database';
 import { randomBytes } from 'crypto';
 
 const dbOutputFolder = 'temp-db-task';

packages/nx/src/tasks-runner/cache.ts

@@ -13,7 +13,7 @@ import { cacheDir } from '../utils/cache-directory';
 import { Task } from '../config/task-graph';
 import { machineId } from 'node-machine-id';
 import { NxCache, CachedResult as NativeCacheResult, IS_WASM } from '../native';
-import { getDbConnection } from '../utils/db-connection';
+import { databaseSupportEnabled, getDbConnection } from '../utils/database';
 import { isNxCloudUsed } from '../utils/nx-cloud-utils';
 import { NxJsonConfiguration, readNxJson } from '../config/nx-json';
 import { verifyOrUpdateNxCloudClient } from '../nx-cloud/update-manager';
@@ -32,7 +32,7 @@ export type TaskWithCachedResult = { task: Task; cachedResult: CachedResult };
 export function dbCacheEnabled(nxJson: NxJsonConfiguration = readNxJson()) {
   return (
     !IS_WASM &&
-    process.env.NX_DISABLE_DB !== 'true' &&
+    databaseSupportEnabled() &&
     nxJson.useLegacyCache !== true &&
     process.env.NX_DB_CACHE !== 'false'
   );

packages/nx/src/tasks-runner/run-command.ts

@@ -55,6 +55,7 @@ import { shouldStreamOutput } from './utils';
 import chalk = require('chalk');
 import type { Observable } from 'rxjs';
 import { printPowerpackLicense } from '../utils/powerpack';
+import { databaseSupportEnabled } from '../utils/database';
 
 async function getTerminalOutputLifeCycle(
   initiatingProject: string,
@@ -711,7 +712,7 @@ function constructLifeCycles(lifeCycle: LifeCycle): LifeCycle[] {
   }
   if (!isNxCloudUsed(readNxJson())) {
     lifeCycles.push(
-      process.env.NX_DISABLE_DB !== 'true' && !IS_WASM
+      databaseSupportEnabled() && !IS_WASM
         ? new TaskHistoryLifeCycle()
         : new LegacyTaskHistoryLifeCycle()
     );

packages/nx/src/utils/database.spec.ts

@@ -0,0 +1,16 @@
+import { databaseSupportEnabled } from './database';
+
+describe('test if database is enabled', () => {
+  it('should be disabled by default', () => {
+    process.env.NX_DISABLE_DB = undefined;
+    expect(databaseSupportEnabled()).toBe(false);
+  });
+  it('should be disabled if NX_DISABLE_DB is explicitly set to `true`', () => {
+    process.env.NX_DISABLE_DB = 'true';
+    expect(databaseSupportEnabled()).toBe(false);
+  });
+  it('should be enabled if NX_DISABLE_DB is explicitly set to `false`', () => {
+    process.env.NX_DISABLE_DB = 'false';
+    expect(databaseSupportEnabled()).toBe(true);
+  });
+});

packages/nx/src/utils/db-connection.ts → packages/nx/src/utils/database.ts

@@ -31,3 +31,8 @@ function getEntryOrSet<TKey, TVal>(
   map.set(key, val);
   return val;
 }
+
+// database is disabled by default
+export function databaseSupportEnabled() {
+  return process.env.NX_DISABLE_DB === 'false';
+}

packages/nx/src/utils/task-history.ts

@@ -1,7 +1,7 @@
 import { daemonClient } from '../daemon/client/client';
 import { isOnDaemon } from '../daemon/is-on-daemon';
 import { IS_WASM, NxTaskHistory, TaskRun, TaskTarget } from '../native';
-import { getDbConnection } from './db-connection';
+import { databaseSupportEnabled, getDbConnection } from './database';
 
 export class TaskHistory {
   taskHistory = new NxTaskHistory(getDbConnection());
@@ -42,7 +42,7 @@ let taskHistory: TaskHistory;
  * @returns singleton instance of TaskHistory, null if database is disabled or WASM is enabled
  */
 export function getTaskHistory(): TaskHistory | null {
-  if (process.env.NX_DISABLE_DB === 'true' || IS_WASM) {
+  if (!databaseSupportEnabled() || IS_WASM) {
     return null;
   }