fn cargo_fmt(args: &[&str]) -> (String, String) {
    let mut bin_dir = env::current_exe().unwrap();
    bin_dir.pop(); // chop off test exe name
    if bin_dir.ends_with("deps") {
        bin_dir.pop();
    }
    let cmd = bin_dir.join(format!("cargo-fmt{}", env::consts::EXE_SUFFIX));

    // Ensure cargo-fmt runs the rustfmt binary from the local target dir.
    let path = env::var_os("PATH").unwrap_or_default();
    let mut paths = env::split_paths(&path).collect::<Vec<_>>();
    paths.insert(0, bin_dir);
    let new_path = env::join_paths(paths).unwrap();

    match Command::new(&cmd).args(args).env("PATH", new_path).output() {
        Ok(output) => (
            String::from_utf8(output.stdout).expect("utf-8"),
            String::from_utf8(output.stderr).expect("utf-8"),
        ),
        Err(e) => panic!("failed to run `{:?} {:?}`: {}", cmd, args, e),
    }
}
/// Run the cargo-fmt executable and return its output.
Run the cargo-fmt executable and return its output.
Run the cargo - fmt executable and return its output .
fn cargo_fmt(args: &[&str]) -> (String, String) {
    let mut bin_dir = env::current_exe().unwrap();
    bin_dir.pop(); // chop off test exe name
    if bin_dir.ends_with("deps") {
        bin_dir.pop();
    }
    let cmd = bin_dir.join(format!("cargo-fmt{}", env::consts::EXE_SUFFIX));
    // Ensure cargo-fmt runs the rustfmt binary from the local target dir.
    let path = env::var_os("PATH").unwrap_or_default();
    let mut paths = env::split_paths(&path).collect::<Vec<_>>();
    paths.insert(0, bin_dir);
    let new_path = env::join_paths(paths).unwrap();
    match Command::new(&cmd).args(args).env("PATH", new_path).output() {
        Ok(output) => (
            String::from_utf8(output.stdout).expect("utf-8"),
            String::from_utf8(output.stderr).expect("utf-8"),
        ),
        Err(e) => panic!("failed to run `{:?} {:?}`: {}", cmd, args, e),
    }
}
fn cargo_fmt ( args : & [ & str ] ) -> ( String , String ) { let mut bin_dir = env :: current_exe ( ) . unwrap ( ) ; bin_dir . pop ( ) ; // chop off test exe name if bin_dir . ends_with ( " " ) { bin_dir . pop ( ) ; } let cmd = bin_dir . join ( format ! ( " " env consts EXE_SUFFIX ) ) ; // Ensure cargo-fmt runs the rustfmt binary from the local target dir. let path = env :: var_os ( " " ) . unwrap_or_default ( ) ; let mut paths = env :: split_paths ( & path ) . collect :: < Vec < _ > > ( ) ; paths . insert ( 0 , bin_dir ) ; let new_path = env :: join_paths ( paths ) . unwrap ( ) ; match Command :: new ( & cmd ) . args ( args ) . env ( " " , new_path ) . output ( ) { Ok ( output ) => ( String :: from_utf8 ( output . stdout ) . expect ( " " ) , String :: from_utf8 ( output . stderr ) . expect ( " " ) , ) , Err ( e ) => panic ! ( " " cmd args e ) , } }
Run the cargo-fmt executable and return its output.
Run the cargo - fmt executable and return its output .
args
&[&str]
args
&[&str]