Function parse_kargs_toml

crates/lib/src/bootc_kargs.rs:246–260

This parses a bootc kargs.d toml file, returning the resulting vector of kernel arguments. Architecture matching is performed using `sys_arch`.

(contents: &str, sys_arch: &str)

/// vector of kernel arguments. Architecture matching is performed using
/// `sys_arch`.
fn parse_kargs_toml(contents: &str, sys_arch: &str) -> Result<Option<CmdlineOwned>> {
    let de: Config = toml::from_str(contents)?;
    // if arch specified, apply kargs only if the arch matches
    // if arch not specified, apply kargs unconditionally
    let matched = de
        .match_architectures
        .map(|arches| arches.iter().any(|s| s == sys_arch))
        .unwrap_or(true);
    let r = if matched {
        Some(Cmdline::from(de.kargs.join(" ")))
    } else {
        None
    };
    Ok(r)
}

#[cfg(test)]
mod tests {