add patch to wasmer

recipes/wip/wasm/wasmer/recipe.toml

@@ -1,8 +1,21 @@
-# TODO region crate error (https://gitlab.redox-os.org/redox-os/redox/-/work_items/1837)
+# TODO remove region crate patch when ready (https://gitlab.redox-os.org/redox-os/redox/-/work_items/1837)
+# TODO add redox support to termios-rs
 [source]
 git = "https://github.com/wasmerio/wasmer"
+patches = [
+  "redox.patch"
+]
+shallow_clone = true
 [build]
 template = "custom"
 script = """
-cookbook_cargo_packages wasmer-cli
+package=wasmer-cli
+"${COOKBOOK_CARGO}" build \
+            --manifest-path "${COOKBOOK_SOURCE}/Cargo.toml" \
+            --package "${package}" \
+            --release
+        mkdir -pv "${COOKBOOK_STAGE}/usr/bin"
+        cp -v \
+            "target/${TARGET}/release/${package}" \
+            "${COOKBOOK_STAGE}/usr/bin/${package}"
 """

recipes/wip/wasm/wasmer/redox.patch

@@ -0,0 +1,11 @@
+diff --git a/Cargo.toml b/Cargo.toml
+index 1366f717291..1b8e2f1a480 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -606,3 +606,6 @@ required-features = ["cranelift"]
+ name = "throw-exception"
+ path = "examples/throw_exception.rs"
+ required-features = ["llvm"]
++
++[patch.crates-io]
++region = { git = 'https://github.com/willnode/region-rs', branch = 'redox' }