self:
with self; ''
  # usage: import-gsettings <gsettings key>:<settings.ini key> <gsettings key>:<settings.ini key> ...

  expression=""
  for pair in "$@"; do
      IFS=:; set -- $pair
      expressions="$expressions -e 's/^$2=(.*)$/gsettings set org.gnome.desktop.interface $1 \1/e'"
  done
  IFS=
  eval exec sed -E $expressions "$XDG_CONFIG_HOME"/gtk-3.0/settings.ini >/dev/null
''