From f4d917600e4e87dc9ed1fa2d6140cd834d75ef25 Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Wed, 10 Jul 2024 15:54:27 +0200
Subject: ArtifactDigest: add order

---
 src/buildtool/common/artifact_digest.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/buildtool/common/artifact_digest.hpp b/src/buildtool/common/artifact_digest.hpp
index ec3c65da..2ad94c27 100644
--- a/src/buildtool/common/artifact_digest.hpp
+++ b/src/buildtool/common/artifact_digest.hpp
@@ -90,6 +90,12 @@ class ArtifactDigest {
         }
     }
 
+    [[nodiscard]] auto operator<(ArtifactDigest const& other) const -> bool {
+        return (hash_ < other.hash_) or
+               ((hash_ == other.hash_) and (static_cast<int>(is_tree_) <
+                                            static_cast<int>(other.is_tree_)));
+    }
+
   private:
     std::size_t size_{};
     std::string hash_{};
-- 
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