Package postgresql12: Scripts

Pre install

# Need to make backups of some executables if an upgrade
# They will be needed to do a dump of the old version's database.
# All output redirected to /dev/null.
exec &>/dev/null
if [ $1 -gt 1 -a -d /usr/lib64/pgsql ]
then
    if [ ! -d /usr/lib64/pgsql/backup ]; then
        mkdir -p /usr/lib64/pgsql/backup
    fi
    cd /usr/bin
    cp -fp pg_dump pg_dumpall psql /usr/lib64/pgsql/backup || :
fi