nix hello world (building my own package)
Install nix (https://nixos.org/download.html) sh <(curl -L https://nixos.org/nix/install) --daemon Create a place for the hello world mkdir helloworld cd helloworld touch default.nix nix-prefetch-url https://ftp.gnu.org/gnu/hello/hello-2.10.tar.gz # path is '/nix/store/xxx-hello-2.10.tar.gz' # 0ssi1wpaf7plaswqqjwigppsg5fyh99vdlb9kzl7c9lng89ndq1i Edit file ‘helloworld/default.nix' let pkgs = import <nixpkgs> {}; in pkgs.stdenv.mkDerivation { name = "hello-2.10"; src = pkgs.fetchurl { url = "https://ftp.gnu.org/gnu/hello/hello-2.10.tar.gz"; sha256 = "0ssi1wpaf7plaswqqjwigppsg5fyh99vdlb9kzl7c9lng89ndq1i"; }; } Build also known as ’nix-build default.nix' nix-build ls -l # -rw-r--r-- 1 xxx xxx 248 dd mmm hh:mm default....