depot/ops/nixos/lib/rebuilder.nix

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{ system, depot, pkgs, ... }:
pkgs.writeShellScriptBin "rebuilder" ''
set -ue
if [[ $EUID -ne 0 ]]; then
exec sudo "$0" "$@"
fi
export AWS_ACCESS_KEY_ID="${depot.ops.secrets.nixCache.AWS_ACCESS_KEY_ID}"
export AWS_SECRET_ACCESS_KEY="${depot.ops.secrets.nixCache.AWS_SECRET_ACCESS_KEY}"
system="$(nix-build -E '(import <depot> {}).ops.nixos.${system}' --no-out-link)"
nix-env -p /nix/var/nix/profiles/system --set "$system"
"$system/bin/switch-to-configuration" switch
''