/// <summary>
/// Copies files or directories from another implementation fetched by an external 0install process.
/// </summary>
/// <param name="builder">The builder.</param>
/// <param name="metadata">The path of the source and destination file or directory.</param>
/// <param name="handler">A callback object used when the the user needs to be informed about IO tasks.</param>
/// <exception cref="UnauthorizedAccessException">Access to a resource was denied.</exception>
/// <exception cref="IOException">An IO operation failed.</exception>
public static void CopyFrom(this IBuilder builder, CopyFromStep metadata, ITaskHandler handler)
{
if (metadata.Implementation == null)
{
throw new ArgumentException($"Must call {nameof(IRecipeStep.Normalize)}() first.", nameof(metadata));
}
handler.RunTask(new SimpleTask(string.Format(Resources.FetchingExternal, metadata.ID),
() => ZeroInstallClient.Detect.FetchAsync(metadata.Implementation).Wait()));
string path = ImplementationStores.Default().GetPath(metadata.Implementation);
builder.CopyFrom(metadata, path, handler);
}
/// <summary>
/// Registers a set of scoped services for using Zero Install functionality.
/// </summary>
/// <typeparam name="TTaskHandler">A callback object used when the the user needs to be asked questions or informed about download and IO tasks.</typeparam>
/// <param name="services">The service collection to add the services to.</param>
public static IServiceCollection AddZeroInstall <TTaskHandler>(this IServiceCollection services)
where TTaskHandler : class, ITaskHandler
=> services.AddScoped <ITaskHandler, TTaskHandler>()
.AddScoped(x => Config.Load())
.AddScoped(x => ImplementationStores.Default())
.AddScoped(x => OpenPgp.Verifying())
.AddScoped(x => FeedCaches.Default(x.GetService <IOpenPgp>()))
.AddScoped(x => TrustDB.LoadSafe())
.AddScoped <ITrustManager, TrustManager>()
.AddScoped <IFeedManager, FeedManager>()
.AddScoped <ICatalogManager, CatalogManager>()
.AddScoped(x => PackageManagers.Default())
.AddScoped <ISelectionsManager, SelectionsManager>()
.AddScoped <ISolver, BacktrackingSolver>()
.AddScoped <IFetcher, SequentialFetcher>()
.AddScoped <IExecutor, Executor>()
.AddScoped <ISelectionCandidateProvider, SelectionCandidateProvider>();
/// <summary>
/// Registers a set of scoped services for using Zero Install functionality.
/// </summary>
/// <typeparam name="TTaskHandler">A callback object used when the the user needs to be asked questions or informed about download and IO tasks.</typeparam>
/// <param name="services">The service collection to add the services to.</param>
/// <param name="configuration">An optional configuration source for building <see cref="Config"/> instead of the default config files.</param>
public static IServiceCollection AddZeroInstall <TTaskHandler>(this IServiceCollection services, IConfiguration?configuration = null)
where TTaskHandler : class, ITaskHandler
=> services.AddScoped <ITaskHandler, TTaskHandler>()
.AddScoped(_ => (configuration == null) ? Config.Load() : Config.From(configuration))
.AddScoped(_ => ImplementationStores.Default())
.AddScoped(_ => OpenPgp.Verifying())
.AddScoped(provider => FeedCaches.Default(provider.GetRequiredService <IOpenPgp>()))
.AddScoped(_ => TrustDB.LoadSafe())
.AddScoped <ITrustManager, TrustManager>()
.AddScoped <IFeedManager, FeedManager>()
.AddScoped <ICatalogManager, CatalogManager>()
.AddScoped(_ => PackageManagers.Default())
.AddScoped <ISelectionsManager, SelectionsManager>()
.AddScoped <ISolver, BacktrackingSolver>()
.AddScoped <IFetcher, Fetcher>()
.AddScoped <IExecutor, Executor>()
.AddScoped <ISelectionCandidateProvider, SelectionCandidateProvider>();