PREIN

/bin/sh

if [ $1 = 0 ]; then
    /sbin/install-info --delete /usr/info/gzip.info.bz2 /usr/info/dir \
    --entry="* gzip: (gzip).                 The GNU compression utility."
fi

POSTIN

/bin/sh

/sbin/install-info /usr/info/gzip.info.bz2 /usr/info/dir \
    --entry="* gzip: (gzip).                 The GNU compression utility."