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nix-config/deploy-flake.sh

50 lines
1.3 KiB

#! /usr/bin/env nix-shell
#! nix-shell -i bash -p rsync
# shellcheck shell=bash
set -eou pipefail
function show_help() {
echo "Usage:"
echo "$0 [--build-local] <host.hq.c3d2.de>"
echo "--help Show this help."
echo "--build-local Build config locally and copy it to the target system via nix copy"
exit 1
}
if [[ $# == 0 ]]; then
show_help
fi
while [[ $# -gt 0 ]]; do
case "${1:-}" in
"" | "-h" | "--help")
show_help
;;
"--build-local")
build_local=true
;;
*)
host=$1
;;
esac
shift
done
if [[ -v build_local ]]; then
hostname=$(ssh root@"$host" hostname)
echo "$hostname> nix build"
nix --experimental-features 'nix-command flakes' -Lv build ".#nixosConfigurations.$hostname.config.system.build.toplevel"
store_path=$(readlink -f result)
echo "$hostname> nix copy"
nix --experimental-features 'nix-command flakes' copy --to ssh://root@"$host" -v "$store_path"
echo "$hostname> switch-to-configuration switch"
ssh root@"$host" "$store_path/bin/switch-to-configuration" switch
else
rsync -az "$(dirname "$0")" root@"$host":nix-config
echo "> nixos-rebuild switch"
exec ssh root@"$host" 'nixos-rebuild --flake git+file://`pwd`/nix-config#`hostname` --override-input secrets git+file://`pwd`/nix-config/secrets switch'
fi