ServeApi: Implement DownloadTree

1 files changed, 8 insertions, 0 deletions

diff --git a/src/buildtool/serve_api/remote/serve_api.hpp b/src/buildtool/serve_api/remote/serve_api.hpp
index 975e7a17..6746fb57 100644
--- a/src/buildtool/serve_api/remote/serve_api.hpp
+++ b/src/buildtool/serve_api/remote/serve_api.hpp
@@ -174,6 +174,14 @@ class ServeApi final {
                                   std::filesystem::path const& git_repo)
         const noexcept -> expected<std::monostate, UploadError>;
 
+    /// \brief Download a git tree from serve.
+    /// \param tree         Tree to download.
+    /// \return std::monostate if after the call the requested tree can be found
+    /// in the native CAS to which this serve instance is bound to, or an
+    /// unexpected error message on failure.
+    [[nodiscard]] auto DownloadTree(ArtifactDigest const& tree) const noexcept
+        -> expected<std::monostate, std::string>;
+
   private:
     // source tree service client
     SourceTreeClient const stc_;