refactor(tvix/[ca]store): use auto_impl r/8835

This implements BS, DS, PS for Box'ed or Arc'ed variants of it with less
code, and less potential to accidentially forget to proxy default trait
methods for blanked impls, as fixed in cl/12658.

Change-Id: If2cdbb563a73792038ebe7bff45d6f880214855b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12661
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: edef <edef@edef.eu>

1 files changed, 2 insertions, 22 deletions

diff --git a/tvix/store/src/pathinfoservice/mod.rs b/tvix/store/src/pathinfoservice/mod.rs
index a0c48f5cc9d5..d31a1e652e3b 100644
--- a/tvix/store/src/pathinfoservice/mod.rs
+++ b/tvix/store/src/pathinfoservice/mod.rs
@@ -13,6 +13,7 @@ mod fs;
 #[cfg(test)]
 mod tests;
 
+use auto_impl::auto_impl;
 use futures::stream::BoxStream;
 use tonic::async_trait;
 use tvix_castore::composition::{Registry, ServiceBuilder};
@@ -45,6 +46,7 @@ pub use self::fs::make_fs;
 
 /// The base trait all PathInfo services need to implement.
 #[async_trait]
+#[auto_impl(&, &mut, Arc, Box)]
 pub trait PathInfoService: Send + Sync {
     /// Retrieve a PathInfo message by the output digest.
     async fn get(&self, digest: [u8; 20]) -> Result<Option<PathInfo>, Error>;
@@ -69,28 +71,6 @@ pub trait PathInfoService: Send + Sync {
     }
 }
 
-#[async_trait]
-impl<A> PathInfoService for A
-where
-    A: AsRef<dyn PathInfoService> + Send + Sync + 'static,
-{
-    async fn get(&self, digest: [u8; 20]) -> Result<Option<PathInfo>, Error> {
-        self.as_ref().get(digest).await
-    }
-
-    async fn put(&self, path_info: PathInfo) -> Result<PathInfo, Error> {
-        self.as_ref().put(path_info).await
-    }
-
-    fn list(&self) -> BoxStream<'static, Result<PathInfo, Error>> {
-        self.as_ref().list()
-    }
-
-    fn nar_calculation_service(&self) -> Option<Box<dyn NarCalculationService>> {
-        self.as_ref().nar_calculation_service()
-    }
-}
-
 /// Registers the builtin PathInfoService implementations with the registry
 pub(crate) fn register_pathinfo_services(reg: &mut Registry) {
     reg.register::<Box<dyn ServiceBuilder<Output = dyn PathInfoService>>, CachePathInfoServiceConfig>("cache");