nyado 0.2.5

A Rust todo-list manager with TUI, inspired by meowdo
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use std::fs;
use std::path::Path;
use std::env;

fn main() {
    let out_dir = env::var("OUT_DIR").unwrap();
    let dest_path = Path::new(&out_dir).join("builtin_langs.rs");
    let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
    let config_dir = Path::new(&manifest_dir).join("config");

    let mut entries = Vec::new();
    if config_dir.exists() && config_dir.is_dir() {
        for entry in fs::read_dir(&config_dir).unwrap() {
            let entry = entry.unwrap();
            let path = entry.path();
            if path.is_file() {
                let name = path.file_name().unwrap().to_str().unwrap();
                if name.starts_with("lang_") && name.ends_with(".toml") {
                    let code = &name[5..name.len()-5];
                    let content = fs::read_to_string(&path).unwrap();
                    let escaped = content.replace('\\', "\\\\").replace('"', "\\\"").replace('\n', "\\n");
                    entries.push(format!("(\"{}\", \"{}\")", code, escaped));
                }
            }
        }
    }
    let builtin = format!("pub const BUILTIN_LANGS: &[(&str, &str)] = &[{}];", entries.join(", "));
    fs::write(&dest_path, builtin).unwrap();
    println!("cargo:rerun-if-changed=config");
}