Use the new interface

src/nix/installables.cc

@@ -305,8 +305,8 @@ struct InstallableStorePath : Installable
         if (storePath.isDerivation()) {
             std::map<std::string, StorePath> outputs;
             auto drv = store->readDerivation(storePath);
-            for (auto & [name, output] : drv.outputs)
-                outputs.emplace(name, output.path(*store, drv.name));
+            for (auto & i : drv.outputsAndPaths(*store))
+                outputs.emplace(i.first, i.second.second);
             return {
                 Buildable {
                     .drvPath = storePath,

src/nix/repl.cc

@@ -485,8 +485,8 @@ bool NixRepl::processLine(string line)
             if (runProgram(settings.nixBinDir + "/nix", Strings{"build", "--no-link", drvPath}) == 0) {
                 auto drv = readDerivation(*state->store, drvPath, Derivation::nameFromPath(state->store->parseStorePath(drvPath)));
                 std::cout << std::endl << "this derivation produced the following outputs:" << std::endl;
-                for (auto & i : drv.outputs)
-                    std::cout << fmt("  %s -> %s\n", i.first, state->store->printStorePath(i.second.path(*state->store, drv.name)));
+                for (auto & i : drv.outputsAndPaths(*state->store))
+                    std::cout << fmt("  %s -> %s\n", i.first, state->store->printStorePath(i.second.second));
             }
         } else if (command == ":i") {
             runProgram(settings.nixBinDir + "/nix-env", Strings{"-i", drvPath});

src/nix/show-derivation.cc

@@ -67,9 +67,9 @@ struct CmdShowDerivation : InstallablesCommand
 
             {
                 auto outputsObj(drvObj.object("outputs"));
-                for (auto & output : drv.outputs) {
+                for (auto & output : drv.outputsAndPaths(*store)) {
                     auto outputObj(outputsObj.object(output.first));
-                    outputObj.attr("path", store->printStorePath(output.second.path(*store, drv.name)));
+                    outputObj.attr("path", store->printStorePath(output.second.second));
 
                     std::visit(overloaded {
                         [&](DerivationOutputInputAddressed doi) {
@@ -81,7 +81,7 @@ struct CmdShowDerivation : InstallablesCommand
                         [&](DerivationOutputFloating dof) {
                             outputObj.attr("hashAlgo", makeFileIngestionPrefix(dof.method) + printHashType(dof.hashType));
                         },
-                    }, output.second.output);
+                    }, output.second.first.output);
                 }
             }