allow satisfying component dependencies via http source

Signed-off-by: karthik2804 <[email protected]>

Author: karthik2804

crates/loader/src/local.rs

@@ -313,6 +313,14 @@ impl LocalLoader {
                 let content = file_content_ref(self.app_root.join(path))?;
                 (content, export)
             }
+            v2::ComponentDependency::HTTP {
+                url,
+                digest,
+                export,
+            } => {
+                let content = self.load_http_source(&url, &digest).await?;
+                (content, export)
+            }
         };
 
         Ok(LockedComponentDependency {

crates/manifest/src/schema/v2.rs

@@ -135,6 +135,15 @@ pub enum ComponentDependency {
         /// Optional export name
         export: Option<String>,
     },
+    /// `... = { url = "https://example.com/component.wasm", sha256 = "..." }`
+    HTTP {
+        /// URL to Wasm
+        url: String,
+        /// SHA256 Checksum of the component. The string should start with 'sha256:'
+        digest: String,
+        /// Optional export name
+        export: Option<String>,
+    },
 }
 
 /// Component definition