public static bool IsBlacklist(this RepoConfig repoConfig) => repoConfig.MergePolicy == "blacklist";
public static bool IsValidMergePolicy(this RepoConfig repoConfig) => repoConfig.MergePolicy == "whitelist" || repoConfig.MergePolicy == "whitelist-strict" || repoConfig.MergePolicy == "blacklist";
public static bool IsValidUpdateBranchStrategy(this RepoConfig repoConfig) => repoConfig.UpdateBranchStrategy == "oldest" || repoConfig.UpdateBranchStrategy == "all" || repoConfig.UpdateBranchStrategy == "none";
public static bool IsWhitelistStrict(this RepoConfig repoConfig) => repoConfig.MergePolicy == "whitelist-strict";