fix: tidying up

Signed-off-by: Andrew Steurer <94206073+asteurer@users.noreply.github.com>

Author: asteurer

examples/wasip1/README.md

@@ -4,9 +4,9 @@
 
 ### Prerequisites
 
-- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - Latest version
+- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - v0.3.0
 - [**go**](https://go.dev/dl/) - v1.25+
-- [**wasmtime**](https://github.com/bytecodealliance/wasmtime) - v40.0.2
+- [**wasmtime**](https://github.com/bytecodealliance/wasmtime)  - v43.0.0
 
 ### Run
 

examples/wasip2/README.md

@@ -4,9 +4,9 @@
 
 ### Prerequisites
 
-- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - Latest version
+- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - v0.3.0
 - [**go**](https://go.dev/dl/) - v1.25+
-- [**wasmtime**](https://github.com/bytecodealliance/wasmtime)  - v40.0.2
+- [**wasmtime**](https://github.com/bytecodealliance/wasmtime)  - v43.0.0
 
 ### Run
 

examples/wasip2/wit/world.wit

@@ -1,5 +1,5 @@
 // We actually don't use this; it's just to let bindgen! find the corresponding world in wit/deps.
-package wasmtime:wasi-http;
+package componentize-go:example;
 
 world wasip2-example {
   include wasi:http/proxy@0.2.0;

examples/wasip3/Makefile

@@ -1,15 +1,4 @@
-GO := go-$(shell uname -s | tr 'A-Z' 'a-z')-$(shell uname -m | sed -e 's/aarch64/arm64/' -e 's/x86_64/amd64/')-bootstrap
-
-install-patched-go:
-	@if [ ! -d "../../$(GO)" ]; then \
-		curl -OL https://github.com/dicej/go/releases/download/go1.25.5-wasi-on-idle/$(GO).tbz --output-dir ../../; \
-		tar xf ../../$(GO).tbz -C ../../; \
-		rm ../../$(GO).tbz; \
-	else \
-		echo "Go bootstrap already exists at ../../$(GO), skipping download"; \
-	fi
-
-generate-bindings: install-patched-go
+generate-bindings:
 	componentize-go --world wasip3-example bindings --format
 	go mod tidy
 

examples/wasip3/README.md

@@ -8,16 +8,20 @@ ABI](https://github.com/WebAssembly/component-model/blob/main/design/mvp/Concurr
 
 As of this writing, not everything has been upstreamed and released, so this
 relies on specific Git revisions of certain tools, plus [a patched version of
-Go](https://github.com/dicej/go/releases/tag/go1.25.5-wasi-on-idle).  Once
-everything is merged, we'll be able to switch to the upstream releases.
+Go](https://github.com/dicej/go/releases/tag/go1.25.5-wasi-on-idle). In the
+meantime, if componentize-go detects that a targeted WIT world uses async, it
+will automatically install the patched Go version in then OS's cache directory
+and use it to build components. Once everything is merged, we'll be able to
+switch to the upstream releases.
 
 ## Building and Running
 
 ### Prerequisites
 
-- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - Latest version
-- [**go**](https://github.com/dicej/go/releases/tag/go1.25.5-wasi-on-idle) - The [Makefile](./Makefile) installs the patched version of Go.
-- [**wasmtime**](https://github.com/bytecodealliance/wasmtime)  - v40.0.2
+- [**componentize-go**](https://github.com/bytecodealliance/componentize-go) - v0.3.0
+- [**wasmtime**](https://github.com/bytecodealliance/wasmtime)  - v43.0.0
+
+### Build and Run
 
 This will build the dependencies, generate Go bindings from the
 `wasi:http@0.3.0-rc-2025-09-16` WIT files, build the component, and run it using

examples/wasip3/wit/world.wit

@@ -1,5 +1,5 @@
 // We actually don't use this; it's just to let bindgen! find the corresponding world in wit/deps.
-package wasmtime:wasi-http;
+package componentize-go:example;
 
 world wasip3-example {
   include wasi:http/service@0.3.0-rc-2026-03-15;

tests/src/lib.rs

@@ -383,7 +383,7 @@ mod tests {
         let mut app = App::new(
             &app_dir,
             &[&app_dir.join("wit")],
-            &["wasi:http/service"],
+            &["wasip3-example"],
             None,
             true,
         );