fix: map darwin aarch64 asset names

Author: 3w36zj6

lib/utils.bash

@@ -68,6 +68,17 @@ get_arch() {
 	esac
 }
 
+determine_asset_arch() {
+	local os arch
+	os="$1"
+	arch="$2"
+	if [[ "$os" == "darwin" && "$arch" == "aarch64" ]]; then
+		printf "arm64\n"
+	else
+		printf "%s\n" "$arch"
+	fi
+}
+
 normalize_tag() {
 	local version
 	version="$1"
@@ -117,7 +128,9 @@ download_release() {
 	os="$(get_os)"
 	arch="$(get_arch)"
 	tag="$(normalize_tag "$resolved_version")"
-	asset="codon-$os-$arch.tar.gz"
+	local asset_arch
+	asset_arch="$(determine_asset_arch "$os" "$arch")"
+	asset="codon-$os-$asset_arch.tar.gz"
 	url="$GH_REPO/releases/download/$tag/$asset"
 
 	echo "* Downloading $TOOL_NAME release $resolved_version..."