{ ... }: { programs.yt-dlp = { enable = true; extraConfig = '' --config-locations /home/user/.yt-dlp.conf ''; }; test.stubs.yt-dlp = { }; nmt.script = '' assertFileExists home-files/.config/yt-dlp/config assertFileContent home-files/.config/yt-dlp/config ${ ./yt-dlp-extraConfig-expected } ''; }