Class Update

Namespace

ZeroInstall.Commands.Basic

Assembly

0install.dll

Check for updates to the program and download them if found.

public class Update : Download

Inheritance

object

ServiceProvider

ScopedOperation

CliCommand

Selection

Download

Update

Inherited Members

Download.UncachedImplementations

Download.MinimumNetworkUseForBackgroundSelfUpdate

Download.BackgroundSelfUpdateAndClean()

Download.Solve()

Download.DownloadUncachedImplementations()

Selection.Usage

Selection.AdditionalArgsMin

Selection.AdditionalArgsMax

Selection.Requirements

Selection.SelectionsDocument

Selection.CustomizeSelections

Selection.ShowXml

Selection.Parse(IReadOnlyList<string>)

Selection.SetInterfaceUri(FeedUri)

Selection.Selections

Selection.RefreshSolve()

Selection.ShowSelections()

CliCommand.FullName

CliCommand.HelpText

CliCommand.Options

CliCommand.Handler

CliCommand.AdditionalArgs

CliCommand.AddDiscoverOptions()

CliCommand.SupportedValues<T>(params T[])

CliCommand.SupportedValues<T>()

CliCommand.FetchAll(IEnumerable<Implementation>)

CliCommand.AsParallel<T>(IEnumerable<T>)

CliCommand.ImplementationsInReadOnlyStores

CliCommand.Create(string, ICommandHandler)

CliCommand.CreateAndParse(IReadOnlyList<string>, ICommandHandler)

CliCommand.GetCommandName(ref IReadOnlyList<string>)

ScopedOperation.GetCanonicalUri(string)

ScopedOperation.EnsureAllowed(FeedUri)

ScopedOperation.GetCatalog()

ScopedOperation.FindByShortName(string)

ScopedOperation.BackgroundSelfUpdate()

ScopedOperation.StartCommandBackground(string, params string[])

ServiceProvider.Config

ServiceProvider.ImplementationStore

ServiceProvider.OpenPgp

ServiceProvider.FeedCache

ServiceProvider.TrustManager

ServiceProvider.FeedManager

ServiceProvider.CatalogManager

ServiceProvider.PackageManager

ServiceProvider.SelectionCandidateProvider

ServiceProvider.Solver

ServiceProvider.Fetcher

ServiceProvider.Executor

ServiceProvider.SelectionsManager

ServiceProvider.TrySolveOffline(Requirements)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

Update(ICommandHandler)

Creates a new update command.

public Update(ICommandHandler handler)

Parameters

handler ICommandHandler

A callback object used when the the user needs to be asked questions or informed about download and IO tasks.

Fields

Name

public const string Name = "update"

Field Value

string

Properties

Description

A short description of what this command does.

public override string Description { get; }

Property Value

string

Methods

Execute()

Executes the commands specified by the command-line arguments. Must call Parse(IReadOnlyList<string>) first!

public override ExitCode Execute()

Returns

ExitCode

The exit status code to end the process with.

Remarks

When inheriting this method is usually replaced.

Exceptions

OperationCanceledException

The user canceled the task.

OptionException

The number of arguments passed in on the command-line is incorrect.

WebException

A file could not be downloaded from the internet.

NotSupportedException

A file format, protocol, etc. is unknown or not supported.

IOException

A downloaded file could not be written to the disk or extracted or an external application or file required by the solver could not be accessed.

UnauthorizedAccessException

An operation failed due to insufficient rights.

InvalidDataException

A problem occurred while deserializing an XML file.

SignatureException

The signature data could not be handled for some reason.

FormatException

An URI, local path, version number, etc. is invalid.

DigestMismatchException

An Implementation's Archives don't match the associated ManifestDigest.

SolverException

The ISolver was unable to provide Selections that fulfill the Requirements.

ImplementationNotFoundException

One of the ImplementationBases is not cached yet.

ExecutorException

The IExecutor was unable to process the Selections.

ShowOutput()

Shows a list of changes found by the update process.

protected override ExitCode ShowOutput()

Returns

ExitCode