From c0086ec150d7617d386a029c39c58a758ef1ba35 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Mon, 4 Jul 2016 10:48:57 -0400
Subject: [PATCH] Datafile: sort lines in ascending order before writes

---
 src/Datafile.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Datafile.cpp b/src/Datafile.cpp
index 9988be69..3db31109 100644
--- a/src/Datafile.cpp
+++ b/src/Datafile.cpp
@@ -135,6 +135,9 @@ void Datafile::commit ()
       _file.truncate ();
       _file.append (std::string (""));   // Seek to EOF.
 
+      // Sort the intervals by ascending start time.
+      std::sort (_lines.begin (), _lines.end ());
+
       // Write out all the lines.
       for (auto& line : _lines)
         _file.write_raw (line + '\n');