Use CodegenFileSystem to ensure binding rules are recompiled

crates/codegen/runtime/generator/src/bindings/mod.rs

@@ -1,5 +1,6 @@
 use anyhow::Result;
 use codegen_language_definition::model;
+use infra_utils::codegen::CodegenFileSystem;
 use infra_utils::paths::PathExtensions;
 use serde::Serialize;
 
@@ -10,11 +11,10 @@ pub struct BindingsModel {
 
 impl BindingsModel {
     pub fn from_language(language: &model::Language) -> Result<Self> {
-        let binding_rules_source = language.binding_rules_file.read_to_string()?;
-        println!(
-            "cargo:rerun-if-changed={}",
-            language.binding_rules_file.to_string_lossy()
-        );
+        // We use `CodegenFileSystem` here to ensure the rules are rebuilt if the rules file changes
+        let binding_rules_dir = language.binding_rules_file.unwrap_parent();
+        let mut fs = CodegenFileSystem::new(binding_rules_dir)?;
+        let binding_rules_source = fs.read_file(&language.binding_rules_file)?;
 
         Ok(Self {
             binding_rules_source,