NixOS deployment scripts

nixos-option

nixos-rebuild

nixos-rebuild

#!/usr/bin/env bash
set -ue
export NIX_PATH="nixpkgs=$PWD/nixpkgs:nixos-config=$PWD/configuration.nix"
self="$(basename "$0")"
args=()
if [ "$self" = "nixos-rebuild" ]; then
    hostname="$(nix-instantiate '<nixpkgs/nixos>' --eval -A config.networking.hostName)"
    hostname="${hostname:1:-1}"
    args+=(--target-host "root@$hostname")
fi
exec "$self" "${args[@]}" "$@"

nixos-update

#! /usr/bin/env bash
set -ue
git fetch https://github.com/NixOS/nixpkgs-channels nixos-unstable

date_of() { git log --date=short --pretty=format:%cd -1 "$1"; }
subtree=nixpkgs

merge_base=$(git merge-base HEAD FETCH_HEAD) || exec git subtree add --prefix=$subtree FETCH_HEAD -m "$subtree: init at $(date_of FETCH_HEAD)"
exec git merge -Xsubtree=$subtree FETCH_HEAD -m "$subtree: $(date_of $merge_base) -> $(date_of FETCH_HEAD)"