1 files changed, 27 insertions, 30 deletions

diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 84f8d7752..c618203f0 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -42,7 +42,8 @@ namespace nix {
 
 
 LocalStore::LocalStore(const Params & params)
-    : Store(params)
+    : StoreConfig(params)
+    , Store(params)
     , LocalFSStore(params)
     , realStoreDir_{this, false, rootDir != "" ? rootDir + "/nix/store" : storeDir, "real",
         "physical path to the Nix store"}
@@ -578,13 +579,32 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
                 envHasRightPath(path, i.first);
             },
             [&](DerivationOutputCAFloating _) {
-                throw UnimplementedError("floating CA output derivations are not yet implemented");
+                /* Nothing to check */
             },
         }, i.second.output);
     }
 }
 
 
+void LocalStore::linkDeriverToPath(const StorePath & deriver, const string & outputName, const StorePath & output)
+{
+    auto state(_state.lock());
+    return linkDeriverToPath(*state, queryValidPathId(*state, deriver), outputName, output);
+}
+
+void LocalStore::linkDeriverToPath(State & state, uint64_t deriver, const string & outputName, const StorePath & output)
+{
+    retrySQLite<void>([&]() {
+        state.stmtAddDerivationOutput.use()
+            (deriver)
+            (outputName)
+            (printStorePath(output))
+            .exec();
+    });
+
+}
+
+
 uint64_t LocalStore::addValidPath(State & state,
     const ValidPathInfo & info, bool checkOutputs)
 {
@@ -618,12 +638,11 @@ uint64_t LocalStore::addValidPath(State & state,
            registration above is undone. */
         if (checkOutputs) checkDerivationOutputs(info.path, drv);
 
-        for (auto & i : drv.outputsAndPaths(*this)) {
-            state.stmtAddDerivationOutput.use()
-                (id)
-                (i.first)
-                (printStorePath(i.second.second))
-                .exec();
+        for (auto & i : drv.outputsAndOptPaths(*this)) {
+            /* Floating CA derivations have indeterminate output paths until
+               they are built, so don't register anything in that case */
+            if (i.second.second)
+                linkDeriverToPath(state, id, i.first, *i.second.second);
         }
     }
 
@@ -1533,27 +1552,5 @@ void LocalStore::createUser(const std::string & userName, uid_t userId)
     }
 }
 
-static bool isNonUriPath(const std::string & spec) {
-    return
-        // is not a URL
-        spec.find("://") == std::string::npos
-        // Has at least one path separator, and so isn't a single word that
-        // might be special like "auto"
-        && spec.find("/") != std::string::npos;
-}
-
-static RegisterStoreImplementation regStore([](
-    const std::string & uri, const Store::Params & params)
-    -> std::shared_ptr<Store>
-{
-    Store::Params params2 = params;
-    if (uri == "local") {
-    } else if (isNonUriPath(uri)) {
-        params2["root"] = absPath(uri);
-    } else {
-        return nullptr;
-    }
-    return std::shared_ptr<Store>(std::make_shared<LocalStore>(params2));
-});
 
 }