Add ARM support for resolve-version

lib/binaries.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Compiled from: https://github.com/heroku/buildpacks-nodejs/blob/main/common/nodejs-utils/src/bin/resolve_version.rs
-RESOLVE="$BP_DIR/lib/vendor/resolve-version-$(get_os)"
+RESOLVE="$BP_DIR/lib/vendor/resolve-version-$(get_platform)"
 
 resolve() {
   local binary="$1"
@@ -90,7 +90,7 @@ install_nodejs() {
 
     echo "Downloading and installing node $number..."
 
-    if [[ "$number" == "22.5.0" ]]; then 
+    if [[ "$number" == "22.5.0" ]]; then
       warn_about_node_version_22_5_0
     fi
   fi

lib/environment.sh

@@ -5,11 +5,19 @@ get_os() {
 }
 
 get_cpu() {
-  if [[ "$(uname -p)" = "i686" ]]; then
-    echo "x86"
-  else
-    echo "x64"
-  fi
+  arch=$(uname -p)
+  case $arch in
+    aarch64 | arm*)
+      echo "arm"
+      ;;
+    x86_64)
+      echo "x64"
+      ;;
+    *)
+      echo "Error: Unknown architecture: ${arch}"
+      exit 1
+      ;;
+  esac
 }
 
 get_platform() {

lib/yarn-2.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-YQ="$BP_DIR/lib/vendor/yq-$(get_os)"
+YQ="$BP_DIR/lib/vendor/yq-$(get_platform)"
 
 detect_yarn_2() {
   local uses_yarn="$1"
@@ -54,7 +54,7 @@ use_yarn_app_cache() {
 node_modules_enabled() {
   local build_dir="$1"
   local node_linker
-  
+
   node_linker=$($YQ r "$build_dir/.yarnrc.yml" nodeLinker 2>&1)
 
   [[ "$node_linker" == "node-modules" ]]

makefile

@@ -1,14 +1,24 @@
-build-resolvers: build-resolver-linux build-resolver-darwin
+build-resolvers: build-resolver-linux build-resolver-darwin build-resolver-linux-arm build-resolver-darwin-arm
 
 .build:
 	mkdir -p .build
 build-resolver-darwin: .build
 	cargo install heroku-nodejs-utils --root .build --bin resolve_version --git https://github.com/heroku/buildpacks-nodejs --target x86_64-apple-darwin --profile release
 	mv .build/bin/resolve_version lib/vendor/resolve-version-darwin
+	cp lib/vendor/resolve-version-darwin lib/vendor/resolve-version-darwin-x64
+
+build-resolver-darwin-arm: .build
+	cargo install heroku-nodejs-utils --root .build --bin resolve_version --git https://github.com/heroku/buildpacks-nodejs --target aarch64-apple-darwin --profile release
+	mv .build/bin/resolve_version lib/vendor/resolve-version-darwin-arm
 
 build-resolver-linux: .build
 	cargo install heroku-nodejs-utils --root .build --bin resolve_version --git https://github.com/heroku/buildpacks-nodejs --target x86_64-unknown-linux-musl --profile release
 	mv .build/bin/resolve_version lib/vendor/resolve-version-linux
+	cp lib/vendor/resolve-version-linux lib/vendor/resolve-version-linux-x64
+
+build-resolver-linux-arm: .build
+	cargo install heroku-nodejs-utils --root .build --bin resolve_version --git https://github.com/heroku/buildpacks-nodejs --target aarch64-unknown-linux-musl --profile release
+	mv .build/bin/resolve_version lib/vendor/resolve-version-linux-arm
 
 test: heroku-22-build heroku-20-build heroku-24-build