An Elvish module to return XDG directories.
epm:install github.com/chlorm/elvish-xdg
use github.com/chlorm/elvish-xdg/xdg-dirs
xdg-dirs:get 'XDG_CONFIG_HOME'
# or
xdg-dirs:get $xdg-dirs:XDG-CONFIG-HOME
# or
xdg-dirs:config-home
xdg:populate-env