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_svc="postgresql" _rlvl="default" post_install() { local datadir="/var/lib/data" echo " ==> requires datadir $datadir" echo " ==> run as user postgres: 'initdb -D $datadir'" _cmd="rc-update add ${_svc} ${_rlvl}" echo " ==> run '${_cmd}'" } post_upgrade() { post_install "$1" } post_remove() { _cmd="rc-update del ${_svc} ${_rlvl}" echo " ==> run '${_cmd}'" }