From 526f11d06abe0437c49a6628be959704b10622a2 Mon Sep 17 00:00:00 2001
From: Sludge <sludge.phd+git@gmail.com>
Date: Wed, 15 Jan 2025 16:17:44 +0100
Subject: [PATCH] Add `weak_handle!` convenience macro

---
 crates/bevy_asset/src/handle.rs | 18 ++++++++++++++++++
 crates/bevy_asset/src/lib.rs    |  1 +
 2 files changed, 19 insertions(+)

diff --git a/crates/bevy_asset/src/handle.rs b/crates/bevy_asset/src/handle.rs
index 19065ae6e84fa..e189b1924354c 100644
--- a/crates/bevy_asset/src/handle.rs
+++ b/crates/bevy_asset/src/handle.rs
@@ -501,6 +501,24 @@ impl<A: Asset> TryFrom<UntypedHandle> for Handle<A> {
     }
 }
 
+/// Creates a weak [`Handle`] from a string literal containing a UUID.
+///
+/// # Examples
+///
+/// ```
+/// # use bevy_asset::{Handle, weak_handle};
+/// # type Shader = ();
+/// const SHADER: Handle<Shader> = weak_handle!("1347c9b7-c46a-48e7-b7b8-023a354b7cac");
+/// ```
+#[macro_export]
+macro_rules! weak_handle {
+    ($uuid:expr) => {{
+        $crate::Handle::Weak($crate::AssetId::Uuid {
+            uuid: $crate::uuid::uuid!($uuid),
+        })
+    }};
+}
+
 /// Errors preventing the conversion of to/from an [`UntypedHandle`] and a [`Handle`].
 #[derive(Error, Debug, PartialEq, Clone)]
 #[non_exhaustive]
diff --git a/crates/bevy_asset/src/lib.rs b/crates/bevy_asset/src/lib.rs
index 10a1bcd8f6d4b..6cefa7c23b8b3 100644
--- a/crates/bevy_asset/src/lib.rs
+++ b/crates/bevy_asset/src/lib.rs
@@ -201,6 +201,7 @@ pub use server::*;
 
 /// Rusty Object Notation, a crate used to serialize and deserialize bevy assets.
 pub use ron;
+pub use uuid;
 
 use crate::{
     io::{embedded::EmbeddedAssetRegistry, AssetSourceBuilder, AssetSourceBuilders, AssetSourceId},