kellnr-storage 6.6.0

Kellnr is a self-hosted registry for Rust crates with support for rustdocs and crates.io caching.
Documentation 
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use std::path::PathBuf;

use thiserror::Error;

#[derive(Error, Debug)]
pub enum StorageError {
    #[error("Failed to create crate_folder")]
    CreateCrateFolder(std::io::Error),
    #[error("Crate with version already exists: {0}-{1}")]
    CrateExists(String, String),
    #[error("Failed to read crate file {0:?} to calc cksum after {1} tries")]
    ReadCrateFileTries(PathBuf, usize),
    #[error("Failed to create file {0} on storage: {1:?}")]
    CreateFile(std::io::Error, PathBuf),
    #[error("Failed to write crate to file {0:?}: {1}")]
    WriteCrateFile(PathBuf, std::io::Error),
    #[error("Failed to open crate file {0:?} to calc cksum: {1}")]
    OpenCrateFileToCalckCksum(PathBuf, std::io::Error),
    #[error("Failed to read crate file {0:?} to calc cksum: {1}")]
    ReadCrateFileToCalcCksum(PathBuf, std::io::Error),
    #[error("Failed to create bin path for crate file {0:?}: {1}")]
    CreateBinPath(PathBuf, std::io::Error),
    #[error("Failed to create doc queue sub-path {0:?}: {1}")]
    CreateDocQueuePath(PathBuf, std::io::Error),
    #[error("Failed to remove file {0:?} from crate storage: {1}")]
    RemoveFile(String, std::io::Error),
    #[error("Failed to read crate metadata from file {0:?}: {1}")]
    ReadCrateMetadata(PathBuf, std::io::Error),
    #[error("File does not exist: {0:?}")]
    FileDoesNotExist(PathBuf),
    #[error("Failed to open file {0:?} on storage: {1}")]
    OpenFileOnStorage(PathBuf, std::io::Error),
    #[error("Failed to read file {0:?}: {1}")]
    ReadFile(PathBuf, std::io::Error),
    #[error("Failed to read from file handle: {0}")]
    ReadFileHandle(std::io::Error),
    #[error("Failed to flush file {0:?}: {1}")]
    FlushCrateFile(PathBuf, std::io::Error),
    #[error("Failed to init storage provider. Reason: {0}")]
    StorageInitError(String),
    #[error("Error from storage provider. Reason: {0}")]
    GenericError(String),
    #[error("S3 error: {0}")]
    S3Error(#[from] object_store::Error),
    #[error("S3 path error: {0}")]
    S3PathError(#[from] object_store::path::Error),
    #[error("Toolchain archive already exists: {name}-{version}-{target}")]
    ToolchainArchiveExists {
        name: String,
        version: String,
        target: String,
    },
    #[error("Failed to store toolchain archive {name}-{version}-{target}: {reason}")]
    ToolchainStoreFailed {
        name: String,
        version: String,
        target: String,
        reason: String,
    },
    #[error("Toolchain archive not found: {path}")]
    ToolchainNotFound { path: String },
    #[error("Failed to retrieve toolchain archive {path}: {reason}")]
    ToolchainGetFailed { path: String, reason: String },
    #[error("Failed to delete toolchain archive {path}: {reason}")]
    ToolchainDeleteFailed { path: String, reason: String },
}