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CHOKIDAR_USEPOLLING and options.usePolling inconsistent on macOS #1251

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markphilpot opened this issue Nov 19, 2022 · 1 comment · May be fixed by #1252
Open

CHOKIDAR_USEPOLLING and options.usePolling inconsistent on macOS #1251

markphilpot opened this issue Nov 19, 2022 · 1 comment · May be fixed by #1252
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@markphilpot
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On macOS, when the option usePolling is set to true, useFsEvents is set to false (as a side effect).

When the env variable CHOKIDAR_USEPOLLING=1 is set, it sets usePolling to true, but leaves useFsEvents as true.

Currently, I'm running into an issue in gatsby's source-filesystem plugin in how chokidar deals with hard links. I specifically need usePolling to be true and useFsEvents to be false. (See gatsbyjs/gatsby#36877 and gatsbyjs/gatsby#36975)

The easiest solution would be to add a CHOKIDAR_USEFSEVENTS env variable so I can correctly emulate the behavior when using the options.

Another option would be to mimic the options behavior (usePolling=true, useFsEvents=false) when using the env variable. The danger here would be anyone using the existing behavior.

If I can get some direction on which direction is better I can submit a PR that does it.
@paulmillr
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Another option would be to mimic the options behavior (usePolling=true, useFsEvents=false) when using the env variable. The danger here would be anyone using the existing behavior.

that should be ok

@markphilpot markphilpot linked a pull request Nov 20, 2022 that will close this issue
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@paulmillr paulmillr added the mac label Jan 10, 2023
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Mimic macOS usePolling side effects when using env markphilpot/chokidar
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@markphilpot @paulmillr