blob: a716e35b2f149040a50cf994731e46cb073d5d4a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
use std::{
env,
path::{Path, PathBuf},
process::{Command, Stdio},
};
fn project_root() -> PathBuf {
PathBuf::from(
env::var("CARGO_MANIFEST_DIR").unwrap_or_else(|_| env!("CARGO_MANIFEST_DIR").to_owned()),
)
}
fn run(cmd: &str, dir: impl AsRef<Path>) -> Result<(), ()> {
let mut args: Vec<_> = cmd.split_whitespace().collect();
let bin = args.remove(0);
println!("> {}", cmd);
let output = Command::new(bin)
.args(args)
.current_dir(dir)
.stdin(Stdio::null())
.stdout(Stdio::piped())
.stderr(Stdio::inherit())
.output()
.map_err(drop)?;
if output.status.success() {
Ok(())
} else {
let stdout = String::from_utf8(output.stdout).map_err(drop)?;
print!("{}", stdout);
Err(())
}
}
#[test]
fn check_code_formatting() {
let dir = project_root();
if run("rustfmt +stable --version", &dir).is_err() {
panic!(
"failed to run rustfmt from toolchain 'stable'; \
please run `rustup component add rustfmt --toolchain stable` to install it.",
);
}
if run("cargo +stable fmt -- --check", &dir).is_err() {
panic!("code is not properly formatted; please format the code by running `cargo fmt`")
}
}
|
