tldr/pages/common/rustup-override.md

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# rustup override
> Modify directory toolchain overrides.
> See `rustup help toolchain` for more information about toolchains.
> More information: <https://rust-lang.github.io/rustup>.
- List directiory toolchain overrides:
`rustup override list`
- Set the override toolchain for the current directory (i.e. tell `rustup` to run `cargo`, `rustc`, etc. from a specific toolchain when in that directory):
`rustup override set {{toolchain}}`
- Remove the toolchain override for the current directory:
`rustup override unset`
- Remove all toolchain overrides for directories that no longer exist:
`rustup override unset --nonexistent`