PREIN

/bin/sh

/usr/share/rpm-helper/add-group cdrkit $1 cdwriter

POSTIN

/bin/sh

update-alternatives --install /usr/bin/cdda2wav cdda2wav /usr/bin/icedax 10 \
    --slave /usr/share/man/man1/cdda2wav.1.lzma cdda2wav.1.lzma /usr/share/man/man1/icedax.1.lzma

POSTUN

/bin/sh

/usr/share/rpm-helper/del-group cdrkit $1 cdwriter 
if [ "$1" = "0" ]; then
  update-alternatives --remove cdda2wav /usr/bin/icedax
fi