Node watch restarts only once when copying file in docker linux

[wclr]

Version

v21.5.0

Platform

Linux 0440267859e6 5.15.153.1-microsoft-standard-WSL2 #1 SMP Fri Mar 29 23:14:13 UTC 2024 x86_64 Linux

Docker image: node:21.5.0-alpine3.19

Subsystem

No response

What steps will reproduce the bug?

On linux running in docker with node I see the folloing problem: node --watch does restart only on first change of file (made with cp command). It works as expected if to change file in editor. I aslo tested the same version of node (v21.5.0) in WSL - it works as expected, so the problem is not in node version.

Image used for docker: node:21.5.0-alpine3.19

echo console.log("x") > /tmp/test.js
cp /tmp/test.js /tmp/test2.js

run

 node --watch /tmp/test2.js

Output:

x
Completed running '/tmp/test2.js'

Update file with cp:

echo console.log("x1") > /tmp/test.js
cp /tmp/test.js /tmp/test2.js

Watch should restart

Restarting '/tmp/test2.js'
x1
Completed running '/tmp/test2.js'

Update file again with cp second time:

echo console.log("x2") > /tmp/test.js
cp /tmp/test.js /tmp/test2.js

Watch doesn't restart.

How often does it reproduce? Is there a required condition?

Always.

What is the expected behavior? Why is that the expected behavior?

Node watch restarts each time files is copied with cp command.

What do you see instead?

Node watch restarts only first time.

Additional information

Image used for docker: node:21.5.0-alpine3.19

[juanarbol]

cc @nodejs/fs