about summary refs log blame commit diff
path: root/tvix/store/src/nar/mod.rs
blob: 5a8bc21ae953a3244dd09c833babfa7e3793dc95 (plain) (tree)
1
2
3
4
5
6
7
                    



                          
                                            
                            






                                                              
                                                                       
                                              
 
                                                                                 
                                         
 
                                                                                                                                        
                                                         
 


                                                 
use crate::B3Digest;
use data_encoding::BASE64;
use thiserror::Error;

mod renderer;
pub use renderer::calculate_size_and_sha256;
pub use renderer::write_nar;

/// Errors that can encounter while rendering NARs.
#[derive(Debug, Error)]
pub enum RenderError {
    #[error("failure talking to a backing store client: {0}")]
    StoreError(crate::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),
}