From f2c7776e00d6a0ed9f601fbfbf082cab0393d640 Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Wed, 4 Dec 2024 12:31:15 +0100
Subject: rehash_utils: add a class for the rehash function

... to allow a more specific signature when passing around
the rehash function.
---
 src/buildtool/execution_api/utils/rehash_utils.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/buildtool/execution_api/utils/rehash_utils.cpp')

diff --git a/src/buildtool/execution_api/utils/rehash_utils.cpp b/src/buildtool/execution_api/utils/rehash_utils.cpp
index 43a6e682..ec4edf99 100644
--- a/src/buildtool/execution_api/utils/rehash_utils.cpp
+++ b/src/buildtool/execution_api/utils/rehash_utils.cpp
@@ -297,4 +297,14 @@ auto RehashGitDigest(std::vector<Artifact::ObjectInfo> const& digests,
                             /*from_git=*/true);
 }
 
+auto Rehasher::Rehash(Artifact::ObjectInfo const& info) const
+    -> expected<Artifact::ObjectInfo, std::string> {
+    auto rehashed = RehashUtils::RehashDigest(
+        std::vector<Artifact::ObjectInfo>{info}, source_, target_, apis_);
+    if (not rehashed) {
+        return unexpected<std::string>(rehashed.error());
+    }
+    return rehashed.value()[0];
+}
+
 }  // namespace RehashUtils
-- 
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