From bbdf08bc0facb5157a10c794712dae7e5902be03 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 31 Aug 2017 16:02:36 +0200
Subject: Call queryMissing() prior to building

Without this, substitute info is fetched sequentially, which is
superslow. In the old UI (e.g. nix-build), we call printMissing(),
which calls queryMissing(), thereby preheating the binary cache
cache. But the new UI doesn't do that.
---
 src/libstore/misc.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/libstore/misc.cc')

diff --git a/src/libstore/misc.cc b/src/libstore/misc.cc
index 8fa84d3a2787..a82aa4e9cfa5 100644
--- a/src/libstore/misc.cc
+++ b/src/libstore/misc.cc
@@ -107,6 +107,8 @@ void Store::queryMissing(const PathSet & targets,
     PathSet & willBuild_, PathSet & willSubstitute_, PathSet & unknown_,
     unsigned long long & downloadSize_, unsigned long long & narSize_)
 {
+    Activity act(*logger, lvlDebug, actUnknown, "querying info about missing paths");
+
     downloadSize_ = narSize_ = 0;
 
     ThreadPool pool;
-- 
cgit 1.4.1