local API: Implement upload file

... overriding the default implementation. In this way, files can
be added directly to the local CAS without having to completely
reside in memory.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/buildtool/execution_api/local/local_api.hpp b/src/buildtool/execution_api/local/local_api.hpp
index f919e9c9..d46be8ed 100644
--- a/src/buildtool/execution_api/local/local_api.hpp
+++ b/src/buildtool/execution_api/local/local_api.hpp
@@ -284,6 +284,34 @@ class LocalApi final : public IExecutionApi {
         return true;
     }
 
+    [[nodiscard]] auto UploadFile(std::filesystem::path const& file_path,
+                                  ObjectType type) noexcept -> bool override {
+        Logger::Log(LogLevel::Trace, [&file_path, &type]() {
+            return fmt::format("Storing {} of type {} directly to CAS.",
+                               file_path.string(),
+                               ToChar(type));
+        });
+        switch (type) {
+            case ObjectType::Tree:
+                return storage_->CAS()
+                    .StoreTree</* kOwner= */ true>(file_path)
+                    .has_value();
+            case ObjectType::Symlink:
+            case ObjectType::File:
+                return storage_->CAS()
+                    .StoreBlob</* kOwner= */ true>(file_path,
+                                                   /* is_executable= */ false)
+                    .has_value();
+            case ObjectType::Executable:
+                return storage_->CAS()
+                    .StoreBlob</* kOwner= */ true>(file_path,
+                                                   /* is_executable= */ true)
+                    .has_value();
+        }
+        Ensures(false);  // unreachable
+        return false;
+    }
+
     /// NOLINTNEXTLINE(misc-no-recursion)
     [[nodiscard]] auto UploadBlobTree(BlobTreePtr const& blob_tree) noexcept
         -> bool {