PSA: Git fsmonitor breaks with submodules

[Avi Drissman]

With the recent enabling of submodules, unfortunately the use of fsmonitor breaks, and you get spurious modified file errors when trying to upload changes. Sorry to be the bearer of bad news.

It's being tracked in https://crbug.com/1475405, but until then you may need to disable it with:

git config core.fsmonitor false

Avi

[Joe Mason]

Does the fsmonitor issue only apply to Mac? (I use Windows and Linux.) The bug mentions Mac several times but doesn't explicitly say that it works elsewhere.

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[Dirk Pranke]

I don't think fsmonitor works (does anything) on Linux. I have not seen similar issues on Windows, so it might just be Mac-specific.

-- Dirk

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[Christian Biesinger]

There's a way to make fsmonitor work on Linux using a slightly
different method
(https://chromium-review.git.corp.google.com/c/chromium/src/+/4583709);
no idea if that has the same issue though.

Christian

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[Avi Drissman]

There are two different things called "fsmonitor". One is a hook for an external executable to perform monitoring, and one is a built-in monitoring capability. The bug with fsmonitor and submodules is with the Mac implementation of the latter. The Windows implementation of the latter does not appear to have the bug, and of course you can use any number of external executables with the former, of which I don't know if they have the bug.

Avi