1 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
2 #![warn(rust_2018_idioms, unused_lifetimes)]
4 use std::path::PathBuf;
5 use std::process::Command;
9 if option_env!("RUSTC_TEST_SUITE").is_some() || option_env!("NO_FMT_TEST").is_some() {
13 // Skip this test if nightly rustfmt is unavailable
14 let rustup_output = Command::new("rustup")
15 .args(&["component", "list", "--toolchain", "nightly"])
18 assert!(rustup_output.status.success());
19 let component_output = String::from_utf8_lossy(&rustup_output.stdout);
20 if !component_output.contains("rustfmt") {
24 let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
25 let output = Command::new("cargo")
26 .current_dir(root_dir)
27 .args(&["dev", "fmt", "--check"])
31 println!("status: {}", output.status);
32 println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
33 println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
36 output.status.success(),
37 "Formatting check failed. Run `cargo dev fmt` to update formatting."