deploy

#! /usr/bin/env nix-shell
#! nix-shell -i fish -p fish

function show_help
  echo "deploy - Simple nixos-rebuild wrapper for deploying remote machines"
  echo ""
  echo "Usage: ./deploy [-h] [-s ssh_server] hostname [rebuild_args]"
  echo "Flags:"
  echo "  -h/--help: Show this message"
  echo "  -s/--ssh: The SSH address to deploy to. Defaults to the expression name if not supplied"
  echo "  "
  echo "Examples:"
  echo "  Deploy to a machine called \"foo\":"
  echo "  ./deploy foo"
  echo ""
  echo "  Deploy the \"foo\" configuration to a particular IP address:"
  echo "  ./deploy -a 10.0.2.123 foo"
  echo ""
  echo "  Run \"nixos-rebuild -L test\" on \"foo\":"
  echo "  ./deploy foo -L test"
  exit
end

argparse --name=deploy -i 'h/help' 's/ssh=' -- $argv
or return

if [ -n "$_flag_h" ]
  show_help
end

if [ -n "$_flag_s" ]
  set host $_flag_s
else
  set host $argv[1]
end

if [ -z "$argv[1]" ]
  echo "deploy: machine name must be specified"
  exit 1
end

if [ -n "$argv[2..]" ]
  set cmd $argv[2..]
else
  set cmd "switch"
end

NIX_SSHOPTS="-t" nixos-rebuild -L --fast --use-remote-sudo --target-host root@$host --flake .#$argv[1] $cmd