From eb30cbab81934da0b338eee8ea7aac0643f3865a Mon Sep 17 00:00:00 2001
From: Unknwon <u@gogs.io>
Date: Wed, 25 Nov 2015 09:27:27 -0500
Subject: [PATCH] add unsupported migration prompt

---
 models/migrations/migrations.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 0d17cf2691..3fc59e6b8d 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -106,6 +106,11 @@ func Migrate(x *xorm.Engine) error {
 	}
 
 	v := currentVersion.Version
+	if _MIN_DB_VER > v {
+		log.Fatal(4, "Gogs no longer supports auto-migration from your previously installed version. Please try to upgrade to a lower version first, then upgrade to current version.")
+		return nil
+	}
+
 	if int(v-_MIN_DB_VER) > len(migrations) {
 		// User downgraded Gogs.
 		currentVersion.Version = int64(len(migrations) + _MIN_DB_VER)