update nixpkgs to a1a9b0d8ec6a307074a03ccd2fdfc7cb5e1b373b
update nixpkgs to d485d477f548e80c53651c0c1d8d499d8a03834e
update nixpkgs to 3a83d87c18733b36f53e6143c59d2e17e518bb1b
update nixpkgs to 7a3d2814afb001dd781adece56b030665675b6b8
disable enlightenment