• Output of node_modules/.bin/electron --version: v2.0.8
• Operating System (Platform and Version): Ubuntu 18.04 / macOS High Sierra

Expected behavior

When calling fs.copyFile, the source file should be copied to the destination.

Actual behavior

The file doesn't get copied and the following error gets thrown:

Error: ENOTDIR: not a directory, copyfile '/home/amxmln/cpy-tst/dist/linux-unpacked/resources/app.asar/test.txt' -> '/home/amxmln/test.txt'

The file exists in the source location, and the error only happens when the application is packaged in an ASAR archive.

How to reproduce

I've prepared a minimal sample project to illustrate the issue here.

So:

$ git clone https://github.com/amxmln/electron-copy-file-bug.git
$ cd electron-copy-file-bug
$ npm i
$ npm run build
$ ./dist/linux-unpacked/copy-test

Click on the button and check the console. It displays the copy destination (your home folder), the error, and the files fs.readdir sees at the source location (including test.txt, which is the one that was attempted to be copied).

Note that if you run the example without building it with ASAR, by running npm start the copying works without issue.