[Contributing.md](Contributing.md) and our [Code of
Conduct](CODE_OF_CONDUCT.md).
-We are changing the default style used by rustfmt. There is an ongoing [RFC
-process][fmt rfcs]. The last version using the old style was 0.8.6. From 0.9
-onwards, the RFC style is the default. If you want the old style back, you can
-use [legacy-rustfmt.toml](legacy-rustfmt.toml) as your rustfmt.toml.
-
-The current `master` branch uses libsyntax (part of the compiler). It is
-published as `rustfmt-nightly`. The `syntex` branch uses Syntex instead of
-libsyntax, it is published (for now) as `rustfmt`. Most development happens on
-the `master` branch, however, this only supports nightly toolchains. If you use
-stable or beta Rust toolchains, you must use the Syntex version (which is likely
-to be a bit out of date). Version 0.1 of rustfmt-nightly is forked from version
-0.9 of the syntex branch.
-
You can use rustfmt in Travis CI builds. We provide a minimal Travis CI
configuration (see [here](#checking-style-on-a-ci-server)) and verify its status
using another repository. The status of that repository's build is reported by
the "travis example" badge above.
-
## Quick start
-You can use `rustfmt` on Rust 1.24 and above.
+You can run `rustfmt` with Rust 1.24 and above.
To install:
## Installing from source
To install from source (nightly required), first checkout to the tag or branch you want to install, then issue
+
```
cargo install --path .
```
* [Sublime Text 3](https://packagecontrol.io/packages/RustFmt)
* [Atom](atom.md)
* Visual Studio Code using [vscode-rust](https://github.com/editor-rs/vscode-rust), [vsc-rustfmt](https://github.com/Connorcpu/vsc-rustfmt) or [rls_vscode](https://github.com/jonathandturner/rls_vscode) through RLS.
+* [IntelliJ or CLion](intellij.md)
+
## Checking style on a CI server
To keep your code base consistently formatted, it can be helpful to fail the CI build
when a pull request contains unformatted code. Using `--check` instructs
rustfmt to exit with an error code if the input is not formatted correctly.
-It will also print any found differences.
+It will also print any found differences. (Older versions of Rustfmt don't
+support `--check`, use `--write-mode diff`).
A minimal Travis setup could look like this (requires Rust 1.24.0 or greater):
```yaml
language: rust
-rust:
-- nightly
before_script:
- rustup component add rustfmt-preview
script:
- cargo test
```
+See [this blog post](https://medium.com/@ag_dubs/enforcing-style-in-ci-for-rust-projects-18f6b09ec69d)
+for more info.
+
## How to build and test
`cargo build` to build.
Rustfmt is designed to be very configurable. You can create a TOML file called
`rustfmt.toml` or `.rustfmt.toml`, place it in the project or any other parent
directory and it will apply the options in that file. See `rustfmt
---config-help` for the options which are available, or if you prefer to see
+--help=config` for the options which are available, or if you prefer to see
visual style previews, [Configurations.md](Configurations.md).
By default, Rustfmt uses a style which conforms to the [Rust style guide][style
* When you run rustfmt, place a file named `rustfmt.toml` or `.rustfmt.toml` in
target file directory or its parents to override the default settings of
rustfmt. You can generate a file containing the default configuration with
- `rustfmt --dump-default-config rustfmt.toml` and customize as needed.
+ `rustfmt --print-config default rustfmt.toml` and customize as needed.
* After successful compilation, a `rustfmt` executable can be found in the
target directory.
* If you're having issues compiling Rustfmt (or compile errors when trying to
install), make sure you have the most recent version of Rust installed.
-* If you get an error like `error while loading shared libraries` while starting
- up rustfmt you should try the following:
-
- On Linux:
+* You can change the way rustfmt emits the changes with the --emit flag:
- ```
- export LD_LIBRARY_PATH=$(rustc --print sysroot)/lib:$LD_LIBRARY_PATH
- ```
-
- On MacOS:
+ Example:
```
- export DYLD_LIBRARY_PATH=$(rustc --print sysroot)/lib:$DYLD_LIBRARY_PATH
+ cargo fmt -- --emit files
```
- On Windows (Git Bash/Mingw):
-
- ```
- export PATH=$(rustc --print sysroot)/lib/rustlib/x86_64-pc-windows-gnu/lib/:$PATH
- ```
+ Options:
- (Substitute `x86_64` by `i686` and `gnu` by `msvc` depending on which version of rustc was used to install rustfmt).
+ | Flag |Description| Nightly Only |
+ |:---:|:---:|:---:|
+ | files | overwrites output to files | No |
+ | stdout | writes output to stdout | No |
+ | coverage | displays how much of the input file was processed | Yes |
+ | checkstyle | emits in a checkstyle format | Yes |
## License
projects / rust.git / blobdiff