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-rw-r--r--src/libstore/local-store.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 1ab9d15eb..f04436b7f 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -968,6 +968,12 @@ void LocalStore::registerValidPath(const ValidPathInfo & info)
void LocalStore::registerValidPaths(const ValidPathInfos & infos)
{
+ /* sqlite will fsync by default, but the new valid paths may not be fsync-ed.
+ * So some may want to fsync them before registering the validity, at the
+ * expense of some speed of the path registering operation. */
+ if (queryBoolSetting("sync-before-registering", false))
+ sync();
+
while (1) {
try {
SQLiteTxn txn(db);