#!/usr/bin/env fish
# update server with nixos-rebuild

if test (path basename $PWD) != nixfiles
    echo "not in nixfiles directory!" >&2
    return 1
end

argparse r/remote -- $argv

set --local target (status basename)
set --local action (if test -n "$argv[1]"; echo $argv[1]; else echo "switch"; end)

if set --query _flag_remote
    set --function build_host --build-host root@{$target}
end

nixos-rebuild $action \
    --flake .?submodules=1#{$target} \
    $build_host \
    --target-host root@{$target} \
    --no-reexec