add explanatory comment for usage of enabled in melange_rules

Signed-off-by: Javier Chávarri <javier.chavarri@gmail.com>
ocaml · Mar 8, 2024 · ea9def8 · ea9def8
1 parent 50d5bee
commit ea9def8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/dune_rules/melange/melange_rules.ml b/src/dune_rules/melange/melange_rules.ml
@@ -591,6 +591,9 @@ let rec under_melange_emit_target ~sctx ~dir =
      | Some stanzas ->
        Dune_file.find_stanzas stanzas Melange_stanzas.Emit.key
        >>= Memo.List.find_map ~f:(fun (mel : Melange_stanzas.Emit.t) ->
+         (* In the case where we have two melange.emit stanzas in the same folder,
+            with one enabled in the current context and one disabled, we want to be
+            that we pick the enabled one *)
          let+ enabled =
            let* expander =
              let* sctx = sctx in