dh_busfactor
    Joey Hess, DebConf13
digression
    sozi
can write bad code in any language (Haskell edition)
    ghci> import Control.Applicative
    ghci> import Data.Ord
    ghci> import Data.List
    ghci> (in_debhelper, thirdparty)
        <- partition ("devel/debhelper" `isInfixOf`) 
            . sortBy (comparing (reverse . words)) 
            . filter (not . ("dh-make" `isInfixOf`))
            . filter ("usr/bin" `isInfixOf`) 
            . filter ("/dh_" `isInfixOf`) 
            . lines <$> readFile "Contents-i386"
    ghci> length in_debhelper
    58
    ghci> length thirdparty
    99
    ghci> writeFile "thirdparty-commands" $ unlines thirdparty
thirdparty-commands
    usr/bin/dh_metainit                     admin/dh-metainit
    usr/bin/dh_systemd_enable               admin/dh-systemd
    usr/bin/dh_systemd_start                admin/dh-systemd
    usr/bin/dh_auto_build_nant              cli-mono/cli-common-dev
    usr/bin/dh_auto_clean_nant              cli-mono/cli-common-dev
    usr/bin/dh_clideps                      cli-mono/cli-common-dev
    usr/bin/dh_clifixperms                  cli-mono/cli-common-dev
    usr/bin/dh_cligacpolicy                 cli-mono/cli-common-dev
    usr/bin/dh_clistrip                     cli-mono/cli-common-dev
    usr/bin/dh_installcligac                cli-mono/cli-common-dev
    usr/bin/dh_makeclilibs                  cli-mono/cli-common-dev
    usr/bin/dh_autotools-dev_restoreconfig  devel/autotools-dev
    usr/bin/dh_autotools-dev_updateconfig   devel/autotools-dev
    usr/bin/dh_configpackage                devel/config-package-dev
    usr/bin/dh_acc                          devel/dh-acc
    usr/bin/dh_ada_library                  devel/dh-ada-library
    usr/bin/dh_apparmor                     devel/dh-apparmor
    usr/bin/dh_autoreconf                   devel/dh-autoreconf
    usr/bin/dh_autoreconf_clean             devel/dh-autoreconf
    usr/bin/dh_buildinfo                    devel/dh-buildinfo
    usr/bin/dh_consoledata                  devel/dh-consoledata
    usr/bin/dh_di_kernel_gencontrol         devel/dh-di
    usr/bin/dh_di_kernel_install            devel/dh-di
    usr/bin/dh_di_numbers                   devel/dh-di
    usr/bin/dh_golang                       devel/dh-golang
    usr/bin/dh_installkpatches              devel/dh-kpatches
    usr/bin/dh_linktree                     devel/dh-linktree
    usr/bin/dh_rebar                        devel/dh-rebar
    usr/bin/dh_doxygen                      devel/doxygen
    usr/bin/dh_gnome                        devel/gnome-pkg-tools
    usr/bin/dh_gnome_clean                  devel/gnome-pkg-tools
    usr/bin/dh_girepository                 devel/gobject-introspection
    usr/bin/dh_xul-ext                      devel/mozilla-devscripts
    usr/bin/dh_parrot                       devel/parrot-devel
    usr/bin/dh_pidgin                       devel/pidgin-dev
    usr/bin/dh_components                   devel/pkg-components
    usr/bin/dh_movelibkdeinit               devel/pkg-kde-tools
    usr/bin/dh_sameversiondep               devel/pkg-kde-tools
    usr/bin/dh_sodeps                       devel/pkg-kde-tools
    usr/bin/dh_gnustep                      gnustep/gnustep-make
    usr/bin/dh_haskell_blurbs               haskell/haskell-devscripts
    usr/bin/dh_haskell_depends              haskell/haskell-devscripts
    usr/bin/dh_haskell_extra_depends        haskell/haskell-devscripts
    usr/bin/dh_haskell_provides             haskell/haskell-devscripts
    usr/bin/dh_haskell_shlibdeps            haskell/haskell-devscripts
    usr/bin/dh_apache2                      httpd/apache2-dev
    usr/bin/dh_lua                          interpreters/dh-lua
    usr/bin/dh_swi_prolog                   interpreters/swi-prolog-nox
    usr/bin/dh_javadoc                      java/gcj-jdk
    usr/bin/dh_nativejava                   java/libgcj-common
    usr/bin/dh_dkms                         kernel/dkms
    usr/bin/dh_gstscancodecs                libdevel/libgstreamer0.10-dev,libdevel/libgstreamer1.0-dev
    usr/bin/dh_gtkmodules                   libdevel/libgtk2.0-dev
    usr/bin/dh_pangomodules                 libdevel/libpango1.0-dev
    usr/bin/dh_xine                         libdevel/libxine-dev,libdevel/libxine2-dev
    usr/bin/dh_xulrunner                    libdevel/xulrunner-dev
    usr/bin/dh_lisp                         lisp/dh-lisp
    usr/bin/dh_pdl                          math/pdl
    usr/bin/dh_ocaml                        ocaml/dh-ocaml
    usr/bin/dh_ocamlclean                   ocaml/dh-ocaml
    usr/bin/dh_ocamldoc                     ocaml/dh-ocaml
    usr/bin/dh_ocamlinit                    ocaml/dh-ocaml
    usr/bin/dh_config_model_upgrade         perl/libconfig-model-perl
    usr/bin/dh_perl_dbi                     perl/libdbi-perl
    usr/bin/dh_perl_imager                  perl/libimager-perl
    usr/bin/dh_php5                         php/php5-dev
    usr/bin/dh_phpcomposer                  php/pkg-php-tools
    usr/bin/dh_phppear                      php/pkg-php-tools
    usr/bin/dh_pypy                         python/dh-python
    usr/bin/dh_python3                      python/dh-python
    usr/bin/dh_pyppd                        python/pyppd
    usr/bin/dh_python2                      python/python
    usr/bin/dh_numpy                        python/python-numpy
    usr/bin/dh_python-ply                   python/python-ply
    usr/bin/dh_scour                        python/python-scour
    usr/bin/dh_sip                          python/python-sip-dev
    usr/bin/dh_pysupport                    python/python-support
    usr/bin/dh_pydeb                        python/python-van.pydeb
    usr/bin/dh_numpy3                       python/python3-numpy
    usr/bin/dh_sip3                         python/python3-sip-dev
    usr/bin/dh_sphinxdoc                    python/sphinx-common
    usr/bin/dh_ruby                         ruby/gem2deb
    usr/bin/dh_ruby_fixdepends              ruby/gem2deb
    usr/bin/dh_rdoc                         ruby/ruby-pkg-tools
    usr/bin/dh_installyorick                science/yorick-dev
    usr/bin/dh_bash-completion              shells/bash-completion
    usr/bin/dh_installtex                   tex/tex-common
    usr/bin/dh_installxmlcatalogs           text/xml-core
    usr/bin/dh_germinate_clean              utils/germinate
    usr/bin/dh_germinate_metapackage        utils/germinate
    usr/bin/dh_dpatch_patch                 vcs/dpatch
    usr/bin/dh_dpatch_unpatch               vcs/dpatch
    usr/bin/dh_quilt_patch                  vcs/quilt
    usr/bin/dh_quilt_unpatch                vcs/quilt
    usr/bin/dh_installxsp                   web/dh-xsp
    usr/bin/dh_installlisting               x11/desktop-profiles
    usr/bin/dh_xsf_substvars                x11/xserver-xorg-dev
    usr/bin/dh_installzope                  zope/zope-debhelper
    usr/bin/dh_installzopeinstance          zope/zope-debhelper