cbd72b56b2
This adds a function that can ingest a NAR file into a given blob_service and directory_service, returning the root node. Passing around the directory_putter is a bit annoying, but at least for this linear "reading through a NAR" case, we don't need it to be clone or sync. Change-Id: Ia26d596f5dffc6dbd69aa39a82b59bba41685a9c Reviewed-on: https://cl.tvl.fyi/c/depot/+/9915 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
27 lines
918 B
Rust
27 lines
918 B
Rust
use data_encoding::BASE64;
|
|
use tvix_castore::{B3Digest, Error};
|
|
|
|
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(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),
|
|
}
|