exclude_from_backups 1.1.0

Mark files or directories as excluded from backups (for Time Machine on macOS). Can be used to prevent caches and temporary files from bloating backups. Includes both a library interface and a basic command-line executable.
Documentation 
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use std::error::Error as StdError;
use std::fmt;

#[derive(Debug, Clone, Eq, PartialEq, Hash)]
pub enum Error {
    NotSupported,
    IncompatiblePathCharset,
    ObjcCallFailed,
    SystemCallFailed(Box<str>),
}

impl StdError for Error {
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_str(match *self {
            Error::SystemCallFailed(ref desc) => desc,
            Error::IncompatiblePathCharset => "path can't be converted to UTF-8 C str",
            Error::ObjcCallFailed => "error while calling basic objc functions",
            Error::NotSupported => "excluding not supported on this platform",
        })
    }
}