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use data_encoding::BASE64;
use tvix_castore::B3Digest;
mod import;
mod renderer;
pub use import::read_nar;
pub use renderer::calculate_size_and_sha256;
pub use renderer::write_nar;
/// Errors that can encounter while rendering NARs.
#[derive(Debug, thiserror::Error)]
pub enum RenderError {
#[error("failure talking to a backing store client: {0}")]
StoreError(#[source] std::io::Error),
#[error("unable to find directory {}, referred from {:?}", .0, .1)]
DirectoryNotFound(B3Digest, bytes::Bytes),
#[error("unable to find blob {}, referred from {:?}", BASE64.encode(.0), .1)]
BlobNotFound([u8; 32], bytes::Bytes),
#[error("unexpected size in metadata for blob {}, referred from {:?} returned, expected {}, got {}", BASE64.encode(.0), .1, .2, .3)]
UnexpectedBlobMeta([u8; 32], bytes::Bytes, u32, u32),
#[error("failure using the NAR writer: {0}")]
NARWriterError(std::io::Error),
}
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