From b28d6692651f002225f6d89168c9fadd057975b7 Mon Sep 17 00:00:00 2001
From: Roger Sen <roger.sen@gmail.com>
Date: Tue, 17 Apr 2018 18:20:27 +0200
Subject: [PATCH] Wrap db schema changes in a transacion.

---
 src/db.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/db.c b/src/db.c
index 1d3ec58..9f0bb5d 100644
--- a/src/db.c
+++ b/src/db.c
@@ -225,17 +225,22 @@ void db_migrate()
     }
   }
 
+  db_execute("BEGIN EXCLUSIVE TRANSACTION");
   while(command[i].schema != -1) {
     if (command[i].schema > db_schema) {
       if ( !db_execute(command[i].action) ) {
+        db_execute("ROLLBACK TRANSACTION");  
         abort();
       }
     }
     if( !db_execute("UPDATE DB_SCHEMA SET db_version = %i", command[i].schema) ) {
+      db_execute("ROLLBACK TRANSACTION");  
       abort();
     }
     i++;
   }
+  db_execute("COMMIT TRANSACTION");
+
 
   if(command[i-1].schema > db_schema ) {
     log_string("db_schema updated to version %d", command[i-1].schema);