source $stdenv/setup ensureDir $out sed -e "s^@bash\@^$bash^g" \ -e "s^@syslog\@^$syslog^g" \ -e "s^@nicename\@^$nicename^g" \ -e "s^@initscripts\@^$initscripts^g" \ < $script > $out/control chmod +x $out/control