cargo 0.33.0

Cargo, a package manager for Rust.
Documentation 
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

use std::fs;
use std::path::{Path, PathBuf};
use util::errors::CargoResult;
use util::paths;

/// Find the root Cargo.toml
pub fn find_root_manifest_for_wd(cwd: &Path) -> CargoResult<PathBuf> {
    let file = "Cargo.toml";
    for current in paths::ancestors(cwd) {
        let manifest = current.join(file);
        if fs::metadata(&manifest).is_ok() {
            return Ok(manifest);
        }
    }

    bail!(
        "could not find `{}` in `{}` or any parent directory",
        file,
        cwd.display()
    )
}

/// Return the path to the `file` in `pwd`, if it exists.
pub fn find_project_manifest_exact(pwd: &Path, file: &str) -> CargoResult<PathBuf> {
    let manifest = pwd.join(file);

    if manifest.exists() {
        Ok(manifest)
    } else {
        bail!("Could not find `{}` in `{}`", file, pwd.display())
    }
}