Merge pull request #41871 from bhipple/fix/mariadb-src-url

mariadb: provide multiple src url mirrors

pkgs/servers/sql/mariadb/default.nix

···
   version = "10.2.15";
 
   src = fetchurl {
-    url    = "https://downloads.mariadb.org/f/mariadb-${version}/source/mariadb-${version}.tar.gz";
+    urls = [
+      "https://downloads.mariadb.org/f/mariadb-${version}/source/mariadb-${version}.tar.gz"
+      "https://downloads.mariadb.com/MariaDB/mariadb-${version}/source/mariadb-${version}.tar.gz"
+    ];
     sha256 = "04ds6vkb7k2lqpcdz663z4ll1jx1zz2hqxz5nj7gs8pwb18j1pik";
     name   = "mariadb-${version}.tar.gz";
   };
···
   version = "2.3.6";
 
   src = fetchurl {
-    url = "https://downloads.mariadb.org/interstitial/connector-c-${version}/mariadb-connector-c-${version}-src.tar.gz/from/http%3A//ftp.hosteurope.de/mirror/archive.mariadb.org/?serve";
+    url = "https://downloads.mariadb.org/interstitial/connector-c-${version}/mariadb-connector-c-${version}-src.tar.gz/from/http%3A//nyc2.mirrors.digitalocean.com/mariadb/";
     sha256 = "15iy5iqp0njbwbn086x2dq8qnbkaci7ydvi84cf5z8fxvljis9vb";
     name   = "mariadb-connector-c-${version}-src.tar.gz";
   };