{
	# Build tools.
	installShellFiles, stdenvNoCC,

	# Packages.
	systemd, zsh,
}:

with stdenvNoCC;

mkDerivation {
	name = "journalctl-last-invocation";

	src = ./.;

	nativeBuildInputs = [ installShellFiles ];
	buildInputs = [ zsh ];

	installPhase = ''
		runHook preInstall

		installBin journalctl-last-invocation

		runHook postInstall
	'';

	preFixup = ''
		substituteInPlace $out/bin/journalctl-last-invocation \
			--replace-fail journalctl ${systemd}/bin/journalctl \
			--replace-fail systemctl ${systemd}/bin/systemctl
	'';
}