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use std::io;

/// This is the `thiserror` error for all crate errors.
///
/// Most ssh related error are wrapped in the `SshError` variant,
/// giving access to the underlying [`russh::Error`] type.
#[derive(thiserror::Error, Debug)]
#[non_exhaustive]
pub enum Error {
    #[error("Key authentication failed")]
    KeyAuthFailed,
    #[error("Unable to load key, bad format or passphrase: {0}")]
    KeyInvalid(russh_keys::Error),
    #[error("Password authentication failed")]
    PasswordWrong,
    #[error("Invalid address was provided: {0}")]
    AddressInvalid(io::Error),
    #[error("The executed command didn't send an exit code")]
    CommandDidntExit,
    #[error("Server check failed")]
    ServerCheckFailed,
    #[error("Ssh error occured: {0}")]
    SshError(#[from] russh::Error),
}