mongodb: use github instead of broken mirror

pkgs/servers/nosql/mongodb/5.0.nix

@@ -7,7 +7,7 @@ let
   variants = if stdenv.isLinux then
     {
       version = "5.0.24";
-      sha256 = "sha256-6CVQOHN3yFTq6OyVkZMYEjIKfFbQZ6M5KAa3k7qv4Gc=";
+      sha256 = "sha256-SZ62OJD6L3aP6LsTswpuXaayqYbOaSQTgEmV89Si7Xc=";
       patches = [ ./fix-build-with-boost-1.79-5_0-linux.patch ];
     }
   else lib.optionalAttrs stdenv.isDarwin

pkgs/servers/nosql/mongodb/6.0.nix

@@ -7,7 +7,7 @@ let
 in
 buildMongoDB {
   version = "6.0.13";
-  sha256 = "sha256-BD3XrTdv4sCa3h37o1A2s3/R0R8zHiR59a4pY0RxLGU=";
+  sha256 = "sha256-z7gzmWRSc4jA9g+WTkKQkWudh3Ef4xcJVgAQ5HzRe/A=";
   patches = [
     # Patches a bug that it couldn't build MongoDB 6.0 on gcc 13 because a include in ctype.h was missing
     ./fix-gcc-13-ctype-6_0.patch

pkgs/servers/nosql/mongodb/mongodb.nix

@@ -1,6 +1,6 @@
 { lib
 , stdenv
-, fetchurl
+, fetchFromGitHub
 , buildPackages
 , boost
 , gperftools
@@ -63,8 +63,10 @@ in stdenv.mkDerivation rec {
   inherit version;
   pname = "mongodb";
 
-  src = fetchurl {
-    url = "https://fastdl.mongodb.org/src/mongodb-src-r${version}.tar.gz";
+  src = fetchFromGitHub {
+    owner = "mongodb";
+    repo = "mongo";
+    rev = "r${version}";
     inherit sha256;
   };
 
@@ -127,6 +129,7 @@ in stdenv.mkDerivation rec {
     "--disable-warnings-as-errors"
     "VARIANT_DIR=nixos" # Needed so we don't produce argument lists that are too long for gcc / ld
     "--link-model=static"
+    "MONGO_VERSION=${version}"
   ]
   ++ map (lib: "--use-system-${lib}") system-libraries;