build.rs: fix lalrpop building in direnv

build.rs

@@ -1,8 +1,9 @@
 fn main() {
-    lalrpop::process_root().unwrap();
     // let debug_mode = std::env::var("PROFILE").unwrap() == "debug";
-    //   lalrpop::Configuration::new()
-    //       .emit_comments(debug_mode)
-    //       .process()
-    //       .unwrap();
+
+    lalrpop::Configuration::new()
+    //  .emit_comments(debug_mode)
+        // .generate_in_source_tree()
+        .process()
+        .unwrap();
 }

src/filter.rs

@@ -295,7 +295,7 @@ pub(super) fn unescape_string(s: &str) -> String {
     result
 }
 
-lalrpop_mod!(filter_grammar, "/filter_grammar.rs");
+lalrpop_mod!(filter_grammar, "/src/filter_grammar.rs");
 
 impl Filter {
     pub fn parse(input: &str) -> Result<Filter, RequestParserError> {