Function ensure_openshell_include

crates/openshell-cli/src/ssh.rs:1481–1521

(main_config: &Path, managed_config: &Path)

}

fn ensure_openshell_include(main_config: &Path, managed_config: &Path) -> Result<()> {
    if let Some(parent) = main_config.parent() {
        fs::create_dir_all(parent)
            .into_diagnostic()
            .wrap_err("failed to create ~/.ssh directory")?;
    }

    let include_line = render_include_line(managed_config);
    let contents = fs::read_to_string(main_config).unwrap_or_default();
    let mut lines: Vec<&str> = contents.lines().collect();
    lines.retain(|line| !ssh_config_includes_path(line, managed_config));

    let insert_at = lines
        .iter()
        .position(|line| {
            let trimmed = line.trim_start();
            trimmed.starts_with("Host ") || trimmed.starts_with("Match ")
        })
        .unwrap_or(lines.len());

    let mut out = Vec::new();
    out.extend_from_slice(&lines[..insert_at]);
    if !out.is_empty() && !out.last().is_some_and(|line| line.is_empty()) {
        out.push("");
    }
    out.push(&include_line);
    if insert_at < lines.len() && !lines[insert_at].is_empty() {
        out.push("");
    }
    out.extend_from_slice(&lines[insert_at..]);

    let mut rendered = out.join("\n");
    if !rendered.is_empty() {
        rendered.push('\n');
    }

    fs::write(main_config, rendered)
        .into_diagnostic()
        .wrap_err("failed to update ~/.ssh/config")?;
    Ok(())
}

fn host_line_matches(line: &str, alias: &str) -> bool {
    let trimmed = line.trim_start();