diff options
Diffstat (limited to 'tvix/store')
| -rw-r--r-- | tvix/store/protos/pathinfo.proto | 56 | ||||
| -rw-r--r-- | tvix/store/src/bin/tvix-store.rs | 5 | ||||
| -rw-r--r-- | tvix/store/src/tests/fixtures.rs | 3 |
3 files changed, 63 insertions, 1 deletions
diff --git a/tvix/store/protos/pathinfo.proto b/tvix/store/protos/pathinfo.proto index abddf31acd2b..556219e3d422 100644 --- a/tvix/store/protos/pathinfo.proto +++ b/tvix/store/protos/pathinfo.proto @@ -69,4 +69,60 @@ message NARInfo { // The StorePath of the .drv file producing this output. // The .drv suffix is omitted in its `name` field. StorePath deriver = 5; + + // The CA field in the .narinfo. + // Its textual representations seen in the wild are one of the following: + // - `fixed:r:sha256:1gcky5hlf5vqfzpyhihydmm54grhc94mcs8w7xr8613qsqb1v2j6` + // fixed-output derivations using "recursive" `outputHashMode`. + // - `fixed:sha256:19xqkh72crbcba7flwxyi3n293vav6d7qkzkh2v4zfyi4iia8vj8 + // fixed-output derivations using "flat" `outputHashMode` + // - `text:sha256:19xqkh72crbcba7flwxyi3n293vav6d7qkzkh2v4zfyi4iia8vj8` + // Text hashing, used for uploaded .drv files and outputs produced by + // builtins.toFile. + // + // Semantically, they can be split into the following components: + // - "content address prefix". Currently, "fixed" and "text" are supported. + // - "hash mode". Currently, "flat" and "recursive" are supported. + // - "hash type". The underlying hash function used. + // Currently, sha1, md5, sha256, sha512. + // - "digest". The digest itself. + // + // There are some restrictions on the possible combinations. + // For example, `text` and `fixed:recursive` always imply sha256. + // + // We use an enum to encode the possible combinations, and optimize + // for the common case, `fixed:recursive`, identified as `NAR_SHA256`. + CA ca = 6; + + message CA { + enum Hash { + // produced when uploading fixed-output store paths using NAR-based + // hashing (`outputHashMode = "recursive"`). + NAR_SHA256 = 0; + NAR_SHA1 = 1; + NAR_SHA512 = 2; + NAR_MD5 = 3; + + // Produced when uploading .drv files or outputs produced by + // builtins.toFile. + // Produces equivalent digests as FLAT_SHA256, but is a separate + // hashing type in Nix, affecting output path calculation. + TEXT_SHA256 = 4; + + // Produced when using fixed-output derivations with + // `outputHashMode = "flat"`. + FLAT_SHA1 = 5; + FLAT_MD5 = 6; + FLAT_SHA256 = 7; + FLAT_SHA512 = 8; + + // TODO: what happens in Rust if we introduce a new enum kind here? + } + + // The hashing type used. + Hash type = 1; + + // The digest, in raw bytes. + bytes digest = 2; + } } diff --git a/tvix/store/src/bin/tvix-store.rs b/tvix/store/src/bin/tvix-store.rs index 891b10da6955..3f7d984cd014 100644 --- a/tvix/store/src/bin/tvix-store.rs +++ b/tvix/store/src/bin/tvix-store.rs @@ -21,6 +21,7 @@ use tvix_castore::proto::GRPCBlobServiceWrapper; use tvix_castore::proto::GRPCDirectoryServiceWrapper; use tvix_castore::proto::NamedNode; use tvix_store::pathinfoservice; +use tvix_store::proto::nar_info; use tvix_store::proto::path_info_service_server::PathInfoServiceServer; use tvix_store::proto::GRPCPathInfoServiceWrapper; use tvix_store::proto::NarInfo; @@ -303,6 +304,10 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> { signatures: vec![], reference_names: vec![], deriver: None, + ca: Some(nar_info::Ca { + r#type: tvix_store::proto::nar_info::ca::Hash::NarSha256.into(), + digest: nar_sha256.to_vec().into(), + }), }), }; diff --git a/tvix/store/src/tests/fixtures.rs b/tvix/store/src/tests/fixtures.rs index 95e77e3ba7b2..3f37d4a2a573 100644 --- a/tvix/store/src/tests/fixtures.rs +++ b/tvix/store/src/tests/fixtures.rs @@ -2,7 +2,7 @@ use lazy_static::lazy_static; pub use tvix_castore::fixtures::*; use tvix_castore::proto as castorepb; -use crate::proto::{NarInfo, PathInfo}; +use crate::proto::{nar_info::ca, nar_info::Ca, NarInfo, PathInfo}; pub const DUMMY_NAME: &str = "00000000000000000000000000000000-dummy"; @@ -121,6 +121,7 @@ lazy_static! { signatures: vec![], reference_names: vec![DUMMY_NAME.to_string()], deriver: None, + ca: Some(Ca { r#type: ca::Hash::NarSha256.into(), digest: DUMMY_DIGEST.clone().into() }) }), ..PATH_INFO_WITHOUT_NARINFO.clone() }; |