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Fix installation instructions to use rustup

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Steve Klabnik 2018-01-05 09:34:45 -05:00 committed by GitHub
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README.md
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@ -21,31 +21,29 @@ to be a bit out of date). Version 0.1 of rustfmt-nightly is forked from version
## Quick start
You must be using the latest nightly compiler toolchain.
Currently, you can use `rustfmt` on nightly and beta. Rust 1.24 stable will work,
but we're not quite there yet!
To install:
```
cargo install rustfmt-nightly
rustup component add rustfmt-preview --toolchain=nightly
```
If `nightly` is your default toolchain, you can leave the `--toolchain` off.
to run on a cargo project in the current working directory:
```
cargo fmt
cargo +nightly fmt
```
If `nightly` is your default toolchain, you can leave off the `+nightly`.
## Installation
```
cargo install rustfmt-nightly
```
or if you're using [Rustup](https://www.rustup.rs/)
```
rustup update
rustup run nightly cargo install rustfmt-nightly
rustup component add rustfmt-preview --toolchain=nightly
```
If you don't have a nightly toolchain, you can add it using rustup:
@ -63,12 +61,6 @@ rustup default nightly
If you choose not to do that you'll have to run rustfmt using `rustup run ...`
or by adding `+nightly` to the cargo invocation.
Usually cargo-fmt, which enables usage of Cargo subcommand `cargo fmt`, is
installed alongside rustfmt. To only install rustfmt run
```
cargo install --no-default-features rustfmt-nightly
```
## Installing from source
To install from source, first checkout to the tag or branch you want to install, then issue