rfc: add pg_dump options to dump output

I would like to add the flags given to pg_dump into the output of the
pg_dump 
file. For text dumps, the output would go on a line below the current
header, 
so output would look like:

--
-- PostgreSQL database dump complete
--
-- Generated by: pg_dump -s -U rob pagila 
--

For compressed dumps, the output could go into the headers created with
-l, 
for example:

; Archive created at Mon Jun  2 16:43:19 2008
;     dbname: pgods
;     TOC Entries: 3
;     Compression: -1
;     Dump Version: 1.10-0
;     Format: CUSTOM
;     Integer: 4 bytes
;     Offset: 8 bytes
;     Dumped from database version: 8.3.1
;     Dumped by pg_dump version: 8.3.1
;     Generated by: pg_dump -s -U rob -Fc pagila
;
;
; Selected TOC Entries:


Anyone see any issues with this? Should there be other information taken
into 
account? Does this need to be an option itself, or can we just do it in
all 
cases? 

-- 
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL

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