canic-host 0.106.0

use crate::release_set::config::{AppConfigDeclaration, AppConfigError, AppConfigTomlOperation};
use toml::Value as TomlValue;

// Read only the App identity required to deduplicate incomplete discovery candidates.
pub(in crate::release_set) fn app_identity_from_source(
    config_source: &str,
) -> Result<String, AppConfigError> {
    let config =
        toml::from_str::<TomlValue>(config_source).map_err(|source| AppConfigError::Toml {
            operation: AppConfigTomlOperation::ParseAppIdentity,
            source,
        })?;
    config
        .get("app")
        .and_then(TomlValue::as_table)
        .and_then(|app| app.get("name"))
        .and_then(TomlValue::as_str)
        .map(str::to_string)
        .ok_or(AppConfigError::DeclarationMissing {
            declaration: AppConfigDeclaration::AppName,
        })
}