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https://seed.radicle.dev/rad:z3gqcJUoA1n9HaHKufZs5FCSGazv5.git
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Lorenz Leutgeb
8bac24d6ab
Reformat code with `rustfmt`, now that the edition changed from Rust 2021 to Rust 2024.
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
// Copyright © 2022 The Radicle Link Contributors
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use crypto::ssh::ExtendedSignature;
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use crate::{CollaborativeObject, Evaluate, ObjectId, TypeName, change_graph::ChangeGraph};
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use super::error;
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/// Get a [`CollaborativeObject`], if it exists.
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///
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/// The `storage` is the backing storage for storing
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/// [`crate::Entry`]s at content-addressable locations. Please see
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/// [`crate::Store`] for further information.
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///
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/// The `typename` is the type of object to be found, while the
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/// `object_id` is the identifier for the particular object under that
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/// type.
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pub fn get<T, S>(
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storage: &S,
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typename: &TypeName,
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oid: &ObjectId,
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) -> Result<Option<CollaborativeObject<T>>, error::Retrieve>
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where
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T: Evaluate<S>,
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S: crate::object::Storage,
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S: crate::change::Storage<
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ObjectId = crate::object::Oid,
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Parent = crate::object::Oid,
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Signatures = ExtendedSignature,
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>,
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{
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let tip_refs = storage
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.objects(typename, oid)
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.map_err(|err| error::Retrieve::Refs { err: Box::new(err) })?;
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ChangeGraph::load(storage, tip_refs.iter(), typename, oid)
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.map(|graph| graph.evaluate(storage).map_err(error::Retrieve::evaluate))
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.transpose()
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}
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