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-rw-r--r--src/libstore/store.hh5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libstore/store.hh b/src/libstore/store.hh
index bcf11ce96318..2b83bd7fef04 100644
--- a/src/libstore/store.hh
+++ b/src/libstore/store.hh
@@ -9,7 +9,10 @@
 using namespace std;
 
 
-const int nixSchemaVersion = 2;
+/* Nix store and database schema version.  Version 1 (or 0) was Nix <=
+   0.7.  Version 2 was Nix 0.8 and 0.8.  Version 3 is Nix 0.10 and
+   up. */
+const int nixSchemaVersion = 3;
 
 
 /* A substitute is a program invocation that constructs some store