hdiutil: create failed - Resource busy

bafmo wrote:

My goal is to package the app and upload its .dmg format into Munki. So I do not need to stop after unzipping

If the hdiutil -verbose switch doesn’t show anything useful here (and that switch can be helpful for these cases), and if a restart doesn’t clear this, then you might also want to check with the folks that routinely use Munki, and see if they have any suggestions.

This won’t be the first time somebody has created a local distro for VScode, nor the first time a Munki user has met that error from hdiutil. (And somebody over there has a handy script to create DMGs, too: create-dmg.)

For a previous similar discussion: https://groups.google.com/g/munki-discuss/c/xnWEaGDRlKY/m/Kf9F5UDAAgAJ

I've never tried to do this from the command line, but when creating a .dmg archive of an Apple .app using the Disk Utility GUI, you first need to place the app into another folder before using the Disk Utility GUI to create a .dmg archive from a folder. That way when I mount the .dmg file, the mount point is "/Volumes/Vscode" (in this example) with the "Vscode.app" being the only item showing on that mounted volume.

Perhaps you need to place the "Vscode.app" into its own folder "Vscode" so the app path is:

/tmp/Vscode/Vscode.app

And making the source folder in the hdutil command "/tmp/Vscode".

You’re seemingly building a Visual Studio Code distro?

Because if that’s not your goal and you’re looking to use VSc, you can stop at the unzip.

Anything interesting shown if -verbose is added to the hdiutil command?