linux-utils/packages/journalctl-last-invocation/package.nix

{ pkgs, stdenv }:

with pkgs;
with stdenv;

mkDerivation {
	pname = "journalctl-last-invocation";
	version = "2026-04-29";

	phases = [ "createSourcesPhase" "installPhase" ];

	createSourcesPhase = ''
		# Same directory structure that `unpackPhase` would use.
		mkdir -p /build/source

		cat <<- EOF > /build/source/journalctl-last-invocation
			#!${bash}/bin/sh

			exec ${systemd}/bin/journalctl _SYSTEMD_INVOCATION_ID=\$(${systemd}/bin/systemctl show --value --property=InvocationID \$1)
		EOF
	'';

	installPhase = ''
		mkdir -p $out/bin

		cp /build/source/journalctl-last-invocation $out/bin/

		chmod +x $out/bin/journalctl-last-invocation
	'';
}