diff options
Diffstat (limited to 'tvix/store/src/pathinfoservice/mod.rs')
| -rw-r--r-- | tvix/store/src/pathinfoservice/mod.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tvix/store/src/pathinfoservice/mod.rs b/tvix/store/src/pathinfoservice/mod.rs index ddede5851575..2483909a1190 100644 --- a/tvix/store/src/pathinfoservice/mod.rs +++ b/tvix/store/src/pathinfoservice/mod.rs @@ -18,5 +18,8 @@ pub trait PathInfoService { /// invalid messages. fn put(&self, path_info: proto::PathInfo) -> Result<proto::PathInfo, Error>; - // TODO: add default impl for nar calculation here, and override from GRPC client! + /// Return the nar size and nar sha256 digest for a given root node. + /// This can be used to calculate NAR-based output paths, + /// and implementations are encouraged to cache it. + fn calculate_nar(&self, root_node: &proto::node::Node) -> Result<(u64, [u8; 32]), Error>; } |