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2025-08-22 23:24:59 -05:00

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#!/usr/bin/env bash
# User variables
target_hostname=""
target_destination=""
target_administrator=""
target_user=${BOOTSTRAP_USER-root} # Set BOOTSTRAP_ defaults in your shell.nix
ssh_port=${BOOTSTRAP_SSH_PORT-22}
function help_and_exit() {
echo
echo "Remotely installs NixOS on a target machine using this nix-config."
echo
echo "USAGE: $0 -n <target_hostname> -d <target_destination> [OPTIONS]"
echo
echo "ARGS:"
echo " -n <target_hostname> specify target_hostname of the target host to deploy the nixos config on. (default I think)"
echo " -d <target_destination> specify ip or domain to the target host."
echo " -a <target_administrator> specify the name of the user that will act as the system administrator (roy)"
echo
echo "OPTIONS:"
echo " -u <target_user> specify target_user with sudo access. nix-config will be cloned to their home."
echo " Default=root."
echo " --port <ssh_port> specify the ssh port to use for remote access. Default=${ssh_port}."
echo " --debug Enable debug mode."
echo " -h | --help Print this help."
exit 0
}
# Function to cleanup temporary directory on exit
cleanup() {
rm -rf "$temp"
}
trap cleanup EXIT
# Handle command-line arguments
while [[ $# -gt 0 ]]; do
case "$1" in
-n)
shift
target_hostname=$1
;;
-d)
shift
target_destination=$1
;;
-a)
shift
target_administrator=$1
;;
-u)
shift
target_user=$1
;;
--port)
shift
ssh_port=$1
;;
--debug)
set -x
;;
-h | --help) help_and_exit ;;
*)
echo "ERROR: Invalid option detected."
help_and_exit
;;
esac
shift
done
if [ -z "$target_hostname" ] || [ -z "$target_destination" ] || [ -z "$target_administrator" ]; then
echo "ERROR: -n, -d, and -a are all required"
echo
help_and_exit
fi
# delete known hosts
sed -i "/$target_hostname/d; /$target_destination/d" ~/.ssh/known_hosts
# Install NixOS to the host system with our secrets
nix run github:nix-community/nixos-anywhere --extra-experimental-features "nix-command flakes" -- --ssh-port "$ssh_port" --post-kexec-ssh-port "$ssh_port" --generate-hardware-config nixos-generate-config ./hardware-configuration.nix --disko-mode disko --build-on local --flake .#"$target_hostname" --target-host "$target_user"@"$target_destination"
echo "Deploy Finished"