1 files changed, 17 insertions, 6 deletions

diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index 51d3074b4..9677c1b48 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -1,6 +1,8 @@
 #include "eval.hh"
+#include "eval-settings.hh"
 #include "globals.hh"
 #include "command.hh"
+#include "installable-value.hh"
 #include "repl.hh"
 
 namespace nix {
@@ -11,6 +13,14 @@ struct CmdRepl : RawInstallablesCommand
         evalSettings.pureEval = false;
     }
 
+    /**
+     * This command is stable before the others
+     */
+    std::optional<ExperimentalFeature> experimentalFeature() override
+    {
+        return std::nullopt;
+    }
+
     std::vector<std::string> files;
 
     Strings getDefaultFlakeAttrPaths() override
@@ -37,7 +47,7 @@ struct CmdRepl : RawInstallablesCommand
 
     void applyDefaultInstallables(std::vector<std::string> & rawInstallables) override
     {
-        if (!settings.isExperimentalFeatureEnabled(Xp::ReplFlake) && !(file) && rawInstallables.size() >= 1) {
+        if (!experimentalFeatureSettings.isEnabled(Xp::ReplFlake) && !(file) && rawInstallables.size() >= 1) {
             warn("future versions of Nix will require using `--file` to load a file");
             if (rawInstallables.size() > 1)
                 warn("more than one input file is not currently supported");
@@ -57,11 +67,12 @@ struct CmdRepl : RawInstallablesCommand
         auto getValues = [&]()->AbstractNixRepl::AnnotatedValues{
             auto installables = parseInstallables(store, rawInstallables);
             AbstractNixRepl::AnnotatedValues values;
-            for (auto & installable: installables){
-                auto what = installable->what();
+            for (auto & installable_: installables){
+                auto & installable = InstallableValue::require(*installable_);
+                auto what = installable.what();
                 if (file){
-                    auto [val, pos] = installable->toValue(*state);
-                    auto what = installable->what();
+                    auto [val, pos] = installable.toValue(*state);
+                    auto what = installable.what();
                     state->forceValue(*val, pos);
                     auto autoArgs = getAutoArgs(*state);
                     auto valPost = state->allocValue();
@@ -69,7 +80,7 @@ struct CmdRepl : RawInstallablesCommand
                     state->forceValue(*valPost, pos);
                     values.push_back( {valPost, what });
                 } else {
-                    auto [val, pos] = installable->toValue(*state);
+                    auto [val, pos] = installable.toValue(*state);
                     values.push_back( {val, what} );
                 }
             }