
CLASS="ENVAR"
>PGPORTOLD</TT
>/<TT
CLASS="ENVAR"
>PGPORTNEW</TT
>, to replace
        <TT
CLASS="ENVAR"
>PGPORT</TT
>.
       </P
></LI
><LI
><P
>        Overhaul <SPAN
CLASS="APPLICATION"
>pg_upgrade</SPAN
> logging and failure reporting
        (Bruce Momjian)
       </P
><P
>        Create four append-only log files, and delete them on success.
        Add <TT
CLASS="OPTION"
>-r</TT
>/<TT
CLASS="OPTION"
>--retain</TT
> option to unconditionally
        retain these files.  Also remove <SPAN
CLASS="APPLI