Setup

wget -O - https://transumption.gitlab.io/nix-for-apt/key.asc | sudo apt-key add -
echo 'deb [arch=amd64] http://transumption.gitlab.io/nix-for-apt buster main' \
  | sudo tee /etc/apt/sources.list.d/nix.list

sudo apt update
sudo apt install nix

See README.Debian for usage.

CI

If you want to set up your own instance of this CI, you will need to set APT_KEY protected variable to Base64-encoded secret GPG key.

To generate a new key, run:

(
  export GNUPGHOME=$(mktemp -d)
  gpg1 --batch --gen-key keygen
  gpg1 --export-secret-keys | (base64 -w0; echo)
)

If you plan to serve the repo to Debian users, I'd recommend to disable "Settings -> Pages -> Force HTTPS" GitLab option, otherwise it will require apt-transport-https package to be manually installed first.

Thanks

All of the packaging work has been done by Thomas Koch.