Preserve pre-change file content as tracking state

Relying on `diff` for storing the pre-change content did not work out as it opens the file descriptors to soon and only reads the first block of pre-change file content until the remaining content is actually required. This obviously led to problems when tracking actually changing files.

1 files changed, 3 insertions, 4 deletions

diff --git a/src/tracking/change_tracker.h b/src/tracking/change_tracker.h
index e694b56..05f4021 100644
--- a/src/tracking/change_tracker.h
+++ b/src/tracking/change_tracker.h
@@ -1,10 +1,9 @@
 #ifndef CHANGE_SRC_TRACKING_CHANGE_TRACKER_H_
 #define CHANGE_SRC_TRACKING_CHANGE_TRACKER_H_
 
-#include <unordered_map>
 #include <mutex>
-
-#include <boost/process.hpp>
+#include <sstream>
+#include <unordered_map>
 
 #include "utility/logger.h"
 
@@ -26,7 +25,7 @@ class ChangeTracker {
 		std::mutex             write_mutex_;
 
 		std::unordered_map<
-			std::string, std::unique_ptr<boost::process::child>
+			std::string, std::unique_ptr<std::stringstream>
 		> children_;
 
 };