From 184c6605b0719a7f35ab25b1f9526435b229eefb Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 25 Jul 2022 15:44:45 +0200
Subject: [PATCH] nix flake pin: Use lazyFetch()

---
 src/nix/registry.cc | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/nix/registry.cc b/src/nix/registry.cc
index c496f94f8..39d9702a0 100644
--- a/src/nix/registry.cc
+++ b/src/nix/registry.cc
@@ -183,14 +183,12 @@ struct CmdRegistryPin : RegistryCommand, EvalCommand
 
     void run(nix::ref<nix::Store> store) override
     {
-        if (locked.empty()) {
-            locked = url;
-        }
+        if (locked.empty()) locked = url;
         auto registry = getRegistry();
         auto ref = parseFlakeRef(url);
-        auto locked_ref = parseFlakeRef(locked);
+        auto lockedRef = parseFlakeRef(locked);
         registry->remove(ref.input);
-        auto [tree, resolved] = locked_ref.resolve(store).input.fetch(store);
+        auto [accessor, resolved] = lockedRef.resolve(store).input.lazyFetch(store);
         fetchers::Attrs extraAttrs;
         if (ref.subdir != "") extraAttrs["dir"] = ref.subdir;
         registry->add(ref.input, resolved, extraAttrs);