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cacache-rs
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doc(error): document all errors

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Kat Marchán 2019-06-30 23:20:01 -07:00
parent da112036c1
commit d2d7170a9c
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1 changed files with 11 additions and 0 deletions
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11
src/errors.rs
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@ -9,20 +9,31 @@ use walkdir;
/// Error type returned by all API calls.
#[derive(Fail, Debug)]
pub enum Error {
/// Returned when an index or content entry could not be found during
/// lookup.
#[fail(display = "not found")]
NotFound,
/// Returned when an integrity check has failed.
#[fail(display = "integrity check failed")]
IntegrityError,
/// Returned when a size check has failed.
#[fail(display = "size check failed")]
SizeError,
/// Returned when there's an std::io::Error.
#[fail(display = "{}", _0)]
Io(#[fail(cause)] io::Error),
/// Returned when there's an error with changing uid/gid on an entry.
#[fail(display = "{}", _0)]
Chownr(#[fail(cause)] chownr::Error),
/// Returned when there's an issue with metadata (de)serialization.
#[fail(display = "{}", _0)]
SerdeJson(#[fail(cause)] serde_json::error::Error),
/// Returned when a content entry could not be moved to its final
/// destination.
#[fail(display = "{}", _0)]
PersistError(#[fail(cause)] tempfile::PersistError),
/// Returned when something went wrong while traversing the index during
/// `cacache::ls`.
#[fail(display = "{}", _0)]
WalkDir(#[fail(cause)] walkdir::Error),
}