From 61ee4517214cd8547ba7088fb4a53ec543d986b2 Mon Sep 17 00:00:00 2001
From: Oliver Reiche <oliver.reiche@huawei.com>
Date: Mon, 8 Aug 2022 17:25:57 +0200
Subject: Rebuild: Support proper progress printing

---
 src/buildtool/graph_traverser/graph_traverser.hpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/buildtool/graph_traverser/graph_traverser.hpp')

diff --git a/src/buildtool/graph_traverser/graph_traverser.hpp b/src/buildtool/graph_traverser/graph_traverser.hpp
index acd1515a..0e81d46e 100644
--- a/src/buildtool/graph_traverser/graph_traverser.hpp
+++ b/src/buildtool/graph_traverser/graph_traverser.hpp
@@ -351,12 +351,19 @@ class GraphTraverser {
                            RemoteExecutionConfig::PlatformProperties(),
                            clargs_.build.timeout};
         bool traversing{false};
-        std::atomic<bool> failed{false};
+        std::atomic<bool> done = false;
+        std::atomic<bool> failed = false;
+        std::condition_variable cv{};
+        auto observer =
+            std::thread([this, &done, &cv]() { reporter_(&done, &cv); });
         {
             Traverser t{executor, g, clargs_.jobs, &failed};
             traversing =
                 t.Traverse({std::begin(artifact_ids), std::end(artifact_ids)});
         }
+        done = true;
+        cv.notify_all();
+        observer.join();
 
         if (traversing and not failed and clargs_.rebuild->dump_flaky) {
             std::ofstream file{*clargs_.rebuild->dump_flaky};
-- 
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