# Given a Git revision hash ``, you get the new SHA256 by running: # # ```bash # $ nix-prefetch-url "https://github.com/NixOS/nixpkgs/archive/.tar.gz" # ``` # # The SHA256 will be printed as the last line of stdout. import ./fetch-nixpkgs.nix { rev = "fa12335f425808f53121713f501f3335878e6901"; sha256 = "1fjyvjxvymz8yd65ahgm798jp9vdcfy7s58zb5ns2iq2ak0h9j8p"; outputSha256 = "1qkihrm8xfrh93c7wh1d1x01p7mgv82b2ycpmn9jm5l7976g31vr"; }