fix(core): misc daemon fixes

packages/nx/src/command-line/migrate.ts

@@ -1524,6 +1524,12 @@ export async function migrate(
     process.env.NX_VERBOSE_LOGGING = 'true';
   }
 
+  try {
+    runNxSync('daemon --stop', {
+      cwd: workspaceRoot,
+    });
+  } catch {}
+
   return handleErrors(process.env.NX_VERBOSE_LOGGING === 'true', async () => {
     const opts = parseMigrationsOptions(args);
     if (opts.type === 'generateMigrations') {

packages/nx/src/daemon/client/client.ts

@@ -1,6 +1,7 @@
 import { workspaceRoot } from '../../utils/workspace-root';
 import { ChildProcess, spawn } from 'child_process';
 import { openSync, readFileSync, statSync } from 'fs';
+import { FileHandle, open } from 'fs/promises';
 import { ensureDirSync, ensureFileSync } from 'fs-extra';
 import { connect } from 'net';
 import { join } from 'path';
@@ -48,6 +49,8 @@ export class DaemonClient {
 
   private _enabled: boolean | undefined;
   private _connected: boolean;
+  private _out: FileHandle = null;
+  private _err: FileHandle = null;
 
   enabled() {
     if (this._enabled === undefined) {
@@ -86,12 +89,19 @@ export class DaemonClient {
   }
 
   reset() {
+    this.socketMessenger?.close();
     this.socketMessenger = null;
     this.queue = new PromisedBasedQueue();
     this.currentMessage = null;
     this.currentResolve = null;
     this.currentReject = null;
     this._enabled = undefined;
+
+    this._out?.close();
+    this._err?.close();
+    this._out = null;
+    this._err = null;
+
     this._connected = false;
   }
 
@@ -312,14 +322,15 @@ export class DaemonClient {
     ensureDirSync(DAEMON_DIR_FOR_CURRENT_WORKSPACE);
     ensureFileSync(DAEMON_OUTPUT_LOG_FILE);
 
-    const out = openSync(DAEMON_OUTPUT_LOG_FILE, 'a');
-    const err = openSync(DAEMON_OUTPUT_LOG_FILE, 'a');
+    this._out = await open(DAEMON_OUTPUT_LOG_FILE, 'a');
+    this._err = await open(DAEMON_OUTPUT_LOG_FILE, 'a');
+
     const backgroundProcess = spawn(
       process.execPath,
       [join(__dirname, '../server/start.js')],
       {
         cwd: workspaceRoot,
-        stdio: ['ignore', out, err],
+        stdio: ['ignore', this._out.fd, this._err.fd],
         detached: true,
         windowsHide: true,
         shell: false,

packages/nx/src/daemon/server/shutdown-utils.ts

@@ -43,7 +43,6 @@ export async function handleServerProcessTermination({
 }: HandleServerProcessTerminationParams) {
   try {
     server.close();
-    deleteDaemonJsonProcessCache();
     if (sourceWatcherSubscription) {
       await sourceWatcherSubscription.unsubscribe();
       serverLogger.watcherLog(
@@ -63,6 +62,7 @@ export async function handleServerProcessTermination({
       );
     }
     serverLogger.log(`Server stopped because: "${reason}"`);
+    deleteDaemonJsonProcessCache();
   } finally {
     process.exit(0);
   }

packages/nx/src/daemon/tmp-dir.ts

@@ -50,7 +50,7 @@ export function isDaemonDisabled() {
 
 function socketDirName() {
   const hasher = createHash('sha256');
-  hasher.update(workspaceRoot);
+  hasher.update(workspaceRoot.toLowerCase());
   const unique = hasher.digest('hex').substring(0, 20);
   return join(tmpdir, unique);
 }

packages/nx/src/project-graph/project-graph.ts

@@ -130,10 +130,11 @@ export async function createProjectGraphAsync(
     }
   } else {
     try {
+      const projectGraph = await daemonClient.getProjectGraph();
       if (opts.resetDaemonClient) {
         daemonClient.reset();
       }
-      return await daemonClient.getProjectGraph();
+      return projectGraph;
     } catch (e) {
       if (e.message.indexOf('inotify_add_watch') > -1) {
         // common errors with the daemon due to OS settings (cannot watch all the files available)