POSTIN

/bin/sh

/usr/sbin/update-alternatives --install /etc/timidity/timidity.cfg timidity.cfg /etc/timidity/timidity-gravis.cfg 30

POSTUN

/bin/sh

if [ "$1" = "0" ]; then
  /usr/sbin/update-alternatives --remove timidity.cfg /etc/timidity/timidity-gravis.cfg
fi

Triggers

TiMidity++ <= 2.13.2-1mdk

/bin/sh

/usr/sbin/update-alternatives --install /etc/timidity/timidity.cfg timidity.cfg /etc/timidity/timidity-gravis.cfg 30