1 files changed, 5 insertions, 0 deletions
diff --git a/src/nix/command.hh b/src/nix/command.hh
index 13f3a0dc9..82dbb55d0 100644
--- a/src/nix/command.hh
+++ b/src/nix/command.hh
@@ -11,6 +11,7 @@ namespace nix {
 extern std::string programPath;
 
 class EvalState;
+struct Pos;
 class Store;
 
 namespace flake {
@@ -175,6 +176,10 @@ PathSet toDerivations(ref<Store> store,
     std::vector<std::shared_ptr<Installable>> installables,
     bool useDeriver = false);
 
+/* Helper function to generate args that invoke $EDITOR on
+   filename:lineno. */
+Strings editorFor(const Pos & pos);
+
 struct MixProfile : virtual Args, virtual StoreCommand
 {
     std::optional<Path> profile;