Enum UpdateError 

pub enum UpdateError {
    Offline,
    UnsupportedInstallation,
    Command(String),
    Io(Error),
    Rollback {
        replace: Error,
        rollback: Error,
    },
}

Self-update failure.

Variants

Offline

Offline mode prohibits updating.

UnsupportedInstallation

Installation ownership cannot be established.

Command(String)

Child process failed.

Io(Error)

File operation failed.

Rollback

Replacement failed and rollback also failed.

Fields

replace: Error

Replacement error.

rollback: Error

Rollback error.

Trait Implementations

impl Debug for UpdateError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for UpdateError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for UpdateError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for UpdateError

fn from(source: Error) -> Self

Converts to this type from the input type.