From 562fee6a0ce42f6dd2d6acbc7d88dc9b00f50d0e Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 23 Jul 2021 21:34:34 +0300
Subject: Before database migration verify that schema in not too old or new

---
 bdep/database.cxx | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/bdep/database.cxx b/bdep/database.cxx
index 064f9ed..7fd375c 100644
--- a/bdep/database.cxx
+++ b/bdep/database.cxx
@@ -125,7 +125,19 @@ namespace bdep
         {
           // Migrate the database if necessary.
           //
-          schema_catalog::migrate (db);
+          odb::schema_version sv  (db.schema_version ());
+          odb::schema_version scv (schema_catalog::current_version (db));
+
+          if (sv != scv)
+          {
+            if (sv < schema_catalog::base_version (db))
+              fail << "project " << d << " is too old";
+
+            if (sv > scv)
+              fail << "project " << d << " is too new";
+
+            schema_catalog::migrate (db);
+          }
         }
 
         t.commit ();
-- 
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