```
[root@mananah:~]# nixos-rebuild switch 
error: syntax error, unexpected '=', expecting $end, at /etc/nixos/open-vm-tools.nix:1:15
(use '--show-trace' to show detailed location information)
building Nix...
error: syntax error, unexpected '=', expecting $end, at /etc/nixos/open-vm-tools.nix:1:15
(use '--show-trace' to show detailed location information)
building the system configuration...
error: syntax error, unexpected '=', expecting $end, at /etc/nixos/open-vm-tools.nix:1:15
(use '--show-trace' to show detailed location information)

[root@mananah:~]# cat /etc/nixos/open-vm-tools.nix
open-vm-tools = super.open-vm-tools.overrideAttrs (oldAttrs: {
  patches = oldAttrs.patches ++ [ 
    # Remove GLib 2.32 Deprecations 
    (self.fetchpatch {
      url = "https://github.com/vmware/open-vm-tools/commit/a7c141fc5278146b86c71502f60767962b752af7.patch";
      sha256 = self.stdenv.lib.fakeSha256;
    })
  ];
});
```

src: https://github.com/NixOS/nixpkgs/issues/71311#issuecomment-545149919