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Moving the `get_all_roots` into `Config` so it can be shared between `WatchmanFileSource` and `WalkDirFileSource`. This returns a refined list of all the roots within the top root directory to limit which folders are searched, but the optimization is only used for Watchman and not for the directory walking implementation in WalkDirFileSource.
Uses the get_all_roots implementation moved from the Watchman implementation to limit file access to the folders configured as targets in Realay.
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Nice! Makes sense to me. I'll import, but I'm out next week and may not be able to merge until after Thanksgiving. |
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@captbaritone has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator. |
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@captbaritone merged this pull request in 9503d7b. |
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When not using Watchman the Relay Compiler will iterate over all files under
root_dir, which can possibly include the entire repository. This is unnecessary work and might slow down large repositories.The watchman implementation only listens to files under the roots defined by the config, but this is not implemented for the directory walking implementation in
WalkDirFileSource. This change moves theget_all_roots()functionality fromWatchmanFileSourcetoConfigand shares it withWalkDirFileSourceto make it only iterate over the folders configured as targets in Relay.This fixes #4849