[build] Set file times to build time (#18742) (#18830)

src/dev/build/lib/__tests__/fs.js

@@ -250,6 +250,22 @@ describe('dev/build/lib/fs', () => {
       expect(await read(resolve(destination, 'foo_dir/bar.txt'))).to.be('bar\n');
       expect(await read(resolve(destination, 'foo_dir/.bar'))).to.be('dotfile\n');
     });
+
+    it('supports atime and mtime', async () => {
+      const destination = resolve(TMP, 'a/b/c/d/e');
+      const time = new Date(1425298511000);
+      await copyAll(FIXTURES, destination, {
+        time
+      });
+      const barTxt = statSync(resolve(destination, 'foo_dir/bar.txt'));
+      const fooDir = statSync(resolve(destination, 'foo_dir'));
+
+      // precision is platform specific
+      const oneDay = 86400000;
+      expect(Math.abs(barTxt.atimeMs - time.getTime())).to.be.below(oneDay);
+      expect(Math.abs(fooDir.atimeMs - time.getTime())).to.be.below(oneDay);
+      expect(Math.abs(barTxt.mtimeMs - time.getTime())).to.be.below(oneDay);
+    });
   });
 
   describe('getFileHash()', () => {

src/dev/build/lib/fs.js

@@ -6,7 +6,7 @@ import { createGunzip } from 'zlib';
 import vfs from 'vinyl-fs';
 import { promisify } from 'bluebird';
 import mkdirpCb from 'mkdirp';
-import { createPromiseFromStreams } from '../../../utils';
+import { createPromiseFromStreams, createMapStream } from '../../../utils';
 
 import { Extract } from 'tar';
 
@@ -16,6 +16,7 @@ const chmodAsync = promisify(fs.chmod);
 const writeFileAsync = promisify(fs.writeFile);
 const readFileAsync = promisify(fs.readFile);
 const readdirAsync = promisify(fs.readdir);
+const utimesAsync = promisify(fs.utimes);
 
 function assertAbsolute(path) {
   if (!isAbsolute(path)) {
@@ -70,6 +71,7 @@ export async function copyAll(sourceDir, destination, options = {}) {
   const {
     select = ['**/*'],
     dot = false,
+    time,
   } = options;
 
   assertAbsolute(sourceDir);
@@ -82,8 +84,8 @@ export async function copyAll(sourceDir, destination, options = {}) {
       base: sourceDir,
       dot,
     }),
-
-    vfs.dest(destination)
+    vfs.dest(destination),
+    ...(Boolean(time) ? [createMapStream(file => utimesAsync(file.path, time, time))] : []),
   ]);
 }
 

src/dev/build/tasks/create_archives_sources_task.js

@@ -9,7 +9,23 @@ export const CreateArchivesSourcesTask = {
       await copyAll(
         build.resolvePath('.'),
         build.resolvePathForPlatform(platform, '.'),
-        { dot: true },
+        {
+          select: [
+            '**/*',
+            '!node_modules/**',
+          ],
+          dot: true,
+        },
+      );
+
+      const currentTime = new Date();
+      await copyAll(
+        build.resolvePath('node_modules'),
+        build.resolvePathForPlatform(platform, 'node_modules'),
+        {
+          dot: true,
+          time: currentTime
+        },
       );
       log.debug('Generic build source copied into', platform.getName(), 'specific build directory');