1 files changed, 27 insertions, 0 deletions
diff --git a/src/zen/cmds/copy_cmd.cpp b/src/zen/cmds/copy_cmd.cpp
index e5ddbfa85..d68a99616 100644
--- a/src/zen/cmds/copy_cmd.cpp
+++ b/src/zen/cmds/copy_cmd.cpp
@@ -45,6 +45,22 @@ CopyCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 	FromPath = m_CopySource;
 	ToPath	 = m_CopyTarget;
 
+	std::error_code		  Ec;
+	std::filesystem::path FromCanonical = std::filesystem::canonical(FromPath, Ec);
+
+	if (!Ec)
+	{
+		std::filesystem::path ToCanonical = std::filesystem::canonical(ToPath, Ec);
+
+		if (!Ec)
+		{
+			if (FromCanonical == ToCanonical)
+			{
+				throw std::runtime_error("Target and source must be distinct files or directories");
+			}
+		}
+	}
+
 	const bool IsFileCopy = std::filesystem::is_regular_file(m_CopySource);
 	const bool IsDirCopy  = std::filesystem::is_directory(m_CopySource);
 
@@ -76,6 +92,17 @@ CopyCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 			std::filesystem::create_directories(ToPath);
 		}
 
+		std::filesystem::path ToCanonical = std::filesystem::canonical(ToPath, Ec);
+
+		if (!Ec)
+		{
+			if (!std::filesystem::relative(ToCanonical, FromCanonical).empty() ||
+				!std::filesystem::relative(FromCanonical, ToCanonical).empty())
+			{
+				throw std::runtime_error("Invalid parent/child relationship for source/target directories");
+			}
+		}
+
 		// Multi file copy
 
 		ZEN_CONSOLE("copying {} -> {}", FromPath, ToPath);