mongo: use builtin fetch urls

Author: undefined-moe

mongodb.nix

@@ -48,34 +48,14 @@ let
       arch
       ".deb"
     ];
-  expectedHash = if pkgs.lib.hasAttr versionDetail sha256dict then pkgs.lib.getAttr versionDetail sha256dict else "";
-  debFile = pkgs.stdenvNoCC.mkDerivation {
-    name = "mongodb-deb-${version}";
-    inherit system;
-    unpackPhase = "true";
-    installPhase = (pkgs.lib.concatStringsSep "\n" (map
-      (mirror: ''
-        echo "Trying to download from ${mirror}${buildDownloadUrl system version}"
-        SSL_CERT_FILE="${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt" ${pkgs.curl}/bin/curl -o $out ${mirror}${buildDownloadUrl system version} || true
-        hash=$(${pkgs.nix}/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes hash file $out --type sha256)
-        echo "Got hash $hash , expect ${expectedHash}"
-        if [ "$hash" == "${expectedHash}" ]; then
-          echo "Download success"
-          exit 0
-        fi
-      '')
-      mirrors)) + ''
-        exit 1
-      '';
-    outputHashMode = "flat";
-    outputHashAlgo = "sha256";
-    outputHash = expectedHash;
-  };
 in
 pkgs.stdenvNoCC.mkDerivation {
   name = "hydro-mongodb-${version}";
   inherit system;
-  src = debFile;
+  src = pkgs.fetchurl {
+    urls = map (mirror: "${mirror}${buildDownloadUrl system version}") mirrors;
+    hash = if pkgs.lib.hasAttr versionDetail sha256dict then pkgs.lib.getAttr versionDetail sha256dict else "";
+  };
   # https://github.com/oxalica/rust-overlay/commit/c949d341f2b507857d589c48d1bd719896a2a224
   depsHostHost = pkgs.lib.optional (!pkgs.stdenv.hostPlatform.isDarwin) pkgs.gccForLibs.lib;
   nativeBuildInputs = [