const [path, ...owners] = line.split(/\s+/);
            return {path, owners};
        });
}

function resolveCodeowners(mapping, file) {
    let match = mapping
        .slice()
        .reverse()
        .find(x =>
            ignore()
                .add(x.path)
                .ignores(file)
        );
    if (!match) {
        console.log("No codeowner found for: " + file);

        return this._t(path, cache, checkUnignored, slices)
    }

    _t (path, cache, checkUnignored, slices) {
        if (path in cache) {
            return cache[path]
        }

        if (!slices) {
            // path/to/a.js
            // ['path', 'to', 'a.js']
            slices = path.split(SLASH)
        }

        slices.pop()