rustyroad 1.8.9

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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//! The directories and file names the config search tries.

use crate::database::get_config_file_name;
use std::env;
use std::path::{Path, PathBuf};

/// Shared config names tried after the active environment's file.
const SHARED_NAMES: [&str; 3] = [
    "rustyroad.toml",
    "rustyroad.dev.toml",
    "rustyroad.prod.toml",
];

/// Config file names, the active environment's first.
pub(super) fn names() -> Vec<String> {
    let mut names = vec![get_config_file_name()];

    for shared in SHARED_NAMES {
        if !names.iter().any(|name| name == shared) {
            names.push(shared.to_string());
        }
    }

    names
}

/// Directories searched: the working directory and the executable's, plus their ancestors.
pub(super) fn roots() -> Vec<PathBuf> {
    let cwd = env::current_dir().ok();
    let exe_dir = env::current_exe()
        .ok()
        .and_then(|exe| exe.parent().map(Path::to_path_buf));

    cwd.into_iter()
        .chain(exe_dir)
        .flat_map(|start| start.ancestors().map(Path::to_path_buf).collect::<Vec<_>>())
        .collect()
}