pkgname=haskell-random _register() { usr/share/haskell/${pkgname}/register.sh } _unregister() { usr/share/haskell/${pkgname}/unregister.sh } _gen_contents() { (cd usr/share/doc/ghc/html/libraries; ./gen_contents_index) } post_install() { _register _gen_contents } pre_upgrade() { _unregister } post_upgrade() { _register _gen_contents } pre_remove() { _unregister } post_remove() { _gen_contents }