apply supplied patches to
  git - supplied against 1:2.10.2-1
  dpkg - supplied against 1.18.10
(which must be in the corresponding directories in .., patched,
and then built with ./configure && make -j4 or whatever)

install libsys-cpu-perl

then, here

make

./invoke [[minlength] maxlength]

Copyright 2016 Ian Jackson
Consider all of this GPLv2-or-later
There is NO WARRANTY