For the sake of completeness, this is why I noted it in the first place:
3) Set up $XDG_CONFIG_HOME/mr/available.d/ with configs for each of
your fgits repos, following the templates in the new vcsh docs. Make
sure you have one for each chunk of your old ~/.mrconfig.
5) mv ~/.fgits/* $XDG_CONFIG_HOME/vcsh/repo.d/
I.e. if you follow Sean's guide literally without setting the
variable, you will end up with stuff in $PWD, not ~/.config .
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