Some stuff that made managing my pictures easier.
It is easiest to symlink the tags into the Darktable lua library directory, .e.g:
$ mkdir -p ~/.config/darktable/lua
$ ln -s $PWD/pseudo-geotags.lua ~/.config/darktable/lua
Following this, add require "pseudo-geotags"
in
~/.config/darktable/luarc
, change as appropriate per script.