Add `import-project` and `export-project` (#183)

* Add `import-project` and `export-project` command line parsing

1 files changed, 14 insertions, 1 deletions

diff --git a/zenstore/filecas.cpp b/zenstore/filecas.cpp
index d0a8ad849..9825f225a 100644
--- a/zenstore/filecas.cpp
+++ b/zenstore/filecas.cpp
@@ -124,7 +124,7 @@ FileCasStrategy::Initialize(const std::filesystem::path& RootDirectory, bool IsN
 }
 
 CasStore::InsertResult
-FileCasStrategy::InsertChunk(IoBuffer Chunk, const IoHash& ChunkHash)
+FileCasStrategy::InsertChunk(IoBuffer Chunk, const IoHash& ChunkHash, CasStore::InsertMode Mode)
 {
 	ZEN_ASSERT(m_IsInitialized);
 
@@ -132,6 +132,16 @@ FileCasStrategy::InsertChunk(IoBuffer Chunk, const IoHash& ChunkHash)
 	ZEN_ASSERT(Chunk.GetContentType() == ZenContentType::kCompressedBinary);
 #endif
 
+	if (Mode == CasStore::InsertMode::kCopyOnly)
+	{
+		ShardingHelper Name(m_RootDirectory.c_str(), ChunkHash);
+		if (std::filesystem::is_regular_file(Name.ShardedPath.ToPath()))
+		{
+			return {.New = false};
+		}
+		return InsertChunk(Chunk.Data(), Chunk.Size(), ChunkHash);
+	}
+
 	// File-based chunks have special case handling whereby we move the file into
 	// place in the file store directory, thus avoiding unnecessary copying
 
@@ -153,6 +163,8 @@ FileCasStrategy::InsertChunk(IoBuffer Chunk, const IoHash& ChunkHash)
 
 			if (!Success)
 			{
+				// TODO: We should provide information to this function to tell it if the payload is temporary or not and if we are allowed
+				// to delete it.
 				ZEN_WARN("Failed to flag temporary payload file '{}' for deletion: '{}'",
 						 PathFromHandle(ChunkFileHandle),
 						 GetLastErrorAsString());
@@ -294,6 +306,7 @@ FileCasStrategy::InsertChunk(IoBuffer Chunk, const IoHash& ChunkHash)
 				 ChunkHash);
 
 		DeletePayloadFileOnClose();
+
 #elif ZEN_PLATFORM_LINUX || ZEN_PLATFORM_MAC
 		std::filesystem::path SourcePath = PathFromHandle(FileRef.FileHandle);
 		std::filesystem::path DestPath	 = Name.ShardedPath.c_str();