pub fn load(repository_path: &Path) -> Result<Self, anyhow::Error> {

    pub fn load(
        repository_path: &Path,
        config_overrides: Vec<(String, String)>,
    ) -> Result<Self, anyhow::Error> {

        // 4. Command-line configuration overrides
        for (key, value) in config_overrides {
            layers = layers.join((key, value));
        }

/// Parse a command-line configuration argument into a key/value pair
pub fn parse_config_arg(argument: &str) -> Result<(String, String), anyhow::Error> {
    let (key, value) = argument
        .split_once('=')
        .ok_or(anyhow::anyhow!("Unable to find '=' character"))?;
    Ok((key.to_string(), value.to_string()))
}

use pijul_config::Config;

use pijul_config::{Config, parse_config_arg};

    /// Override a configuration value, in the form `--config key=value`
    #[clap(long, global = true, value_parser = parse_config_arg)]
    pub config: Vec<(String, String)>,

    let config = Config::load(&repository_path)?;

    let config = Config::load(&repository_path, opts.config)?;

figment.workspace = true

 "figment",