2 files changed, 4 insertions, 0 deletions
diff --git a/src/repository.cpp b/src/repository.cpp
index 0e9226f..76171ab 100644
--- a/src/repository.cpp
+++ b/src/repository.cpp
@@ -120,6 +120,9 @@ Repository::Transaction *Repository::newTransaction(const QString &branch, const
     txn->lastmark = revnum;
 
     startFastImport();
+    if (++commitCount % 10000)
+        // write everything to disk every 10000 commits
+        fastImport.write("checkpoint\n");
     return txn;
 }
 
diff --git a/src/repository.h b/src/repository.h
index 171b3b7..f971345 100644
--- a/src/repository.h
+++ b/src/repository.h
@@ -76,6 +76,7 @@ private:
     QHash<QString, Branch> branches;
     QString name;
     QProcess fastImport;
+    int commitCount;
 
     void startFastImport();