48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
#![cfg(not(miri))]
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use std::{
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env,
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path::{Path, PathBuf},
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process::{Command, Stdio},
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};
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fn project_root() -> PathBuf {
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PathBuf::from(
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env::var("CARGO_MANIFEST_DIR").unwrap_or_else(|_| env!("CARGO_MANIFEST_DIR").to_owned()),
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)
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}
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fn run(cmd: &str, dir: impl AsRef<Path>) -> Result<(), ()> {
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let mut args: Vec<_> = cmd.split_whitespace().collect();
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let bin = args.remove(0);
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println!("> {}", cmd);
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let output = Command::new(bin)
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.args(args)
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.current_dir(dir)
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.stdin(Stdio::null())
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.stdout(Stdio::piped())
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.stderr(Stdio::inherit())
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.output()
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.map_err(drop)?;
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if output.status.success() {
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Ok(())
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} else {
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let stdout = String::from_utf8(output.stdout).map_err(drop)?;
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print!("{}", stdout);
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Err(())
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}
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}
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#[test]
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fn check_code_formatting() {
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let dir = project_root();
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if run("rustfmt +stable --version", &dir).is_err() {
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panic!(
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"failed to run rustfmt from toolchain 'stable'; \
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please run `rustup component add rustfmt --toolchain stable` to install it.",
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);
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}
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if run("cargo +stable fmt -- --check", &dir).is_err() {
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panic!("code is not properly formatted; please format the code by running `cargo fmt`")
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}
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}
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