POSTIN

/bin/sh

update-alternatives --install /bin/vi vi /usr/bin/vim-enhanced 20
update-alternatives --install /bin/vim vim /usr/bin/vim-enhanced 20

POSTUN

/bin/sh

[ $1 = 0 ] || exit 0
update-alternatives --remove vi /usr/bin/vim-enhanced
update-alternatives --remove vim /usr/bin/vim-enhanced

# menu stuff