PREUN
/bin/sh
if [ "$1" = "0" ]; then if [[ -f /usr/share/info/bison.info.xz ]]; then /sbin/install-info /usr/share/info/bison.info.xz --dir=/usr/share/info/dir --remove ; fi; fi if [ $1 -eq 0 ]; then /usr/sbin/update-alternatives --remove yacc /usr/bin/yacc.bison fi
POSTIN
/bin/sh
if [[ -f /usr/share/info/bison.info.xz ]]; then /sbin/install-info /usr/share/info/bison.info.xz --dir=/usr/share/info/dir; fi /usr/sbin/update-alternatives --install /usr/bin/yacc yacc /usr/bin/yacc.bison 10