Prevent panic on empty HOST for mysql (#11850) (#11856)

Backport #11850

Signed-off-by: Andrew Thornton <art27@cantab.net>

diff --git a/modules/setting/database.go b/modules/setting/database.go
index 6bfb02ac41e6616088dc18794145c5a4b24d3795..4e84f8f8d19b89a4ac14617a6e0aaa34758ccf21 100644 (file)
--- a/modules/setting/database.go
+++ b/modules/setting/database.go
@@ -105,7 +105,7 @@ func DBConnStr() (string, error) {
        switch Database.Type {
        case "mysql":
                connType := "tcp"
-               if Database.Host[0] == '/' { // looks like a unix socket
+               if len(Database.Host) > 0 && Database.Host[0] == '/' { // looks like a unix socket
                        connType = "unix"
                }
                tls := Database.SSLMode