nixos/ipfs: use ipfs config replace

nixos/modules/services/network-filesystems/ipfs.nix

@@ -260,24 +260,17 @@ in
         ipfs --offline config Mounts.IPNS ${cfg.ipnsMountDir}
       '' + optionalString cfg.autoMigrate ''
         ${pkgs.ipfs-migrator}/bin/fs-repo-migrations -y
-      '' + concatStringsSep "\n" (collect
-        isString
-        (mapAttrsRecursive
-          (path: value:
-            # Using heredoc below so that the value is never improperly quoted
-            ''
-              read value <<EOF
-              ${builtins.toJSON value}
-              EOF
-              ipfs --offline config --json "${concatStringsSep "." path}" "$value"
-            '')
-          ({
+      '' + ''
+        ipfs --offline config show \
+          | ${pkgs.jq}/bin/jq '. * $extraConfig' --argjson extraConfig ${
+              escapeShellArg (builtins.toJSON ({
                 Addresses.API = cfg.apiAddress;
                 Addresses.Gateway = cfg.gatewayAddress;
                 Addresses.Swarm = cfg.swarmAddress;
-          } //
-          cfg.extraConfig))
-      );
+              } // cfg.extraConfig))
+            } \
+          | ipfs --offline config replace -
+      '';
       serviceConfig = {
         ExecStart = [ "" "${cfg.package}/bin/ipfs daemon ${ipfsFlags}" ];
         User = cfg.user;