I have added this to the 9.1 commit-fest:
https://commitfest.postgresql.org/action/commitfest_view?id=6
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David Christensen wrote:
> Hackers,
>
> Enclosed is a patch to add a -C option to initdb to allow you to easily append configuration directives to the
generatedpostgresql.conf file for use in programmatic generation. In my case, I'd been creating multiple db clusters
witha script and would have specific overrides that I needed to make. This patch fell out of the desire to make this
alittle cleaner. Please review and comment.
>
> From the commit message:
>
> This is a simple mechanism to allow you to provide explicit overrides
> to any GUC at initdb time. As a basic example, consider the case
> where you are programmatically generating multiple db clusters in
> order to test various configurations:
>
> $ for cluster in 1 2 3 4 5 6;
> > do initdb -D data$cluster -C "port = 1234$cluster" -C 'max_connections = 10' -C shared_buffers=1M;
> > done
>
> A possible future improvement would be to provide some basic
> formatting corrections to allow specificications such as -C 'port
> 1234', -C port=1234, and -C 'port = 1234' to all be ultimately output
> as 'port = 1234' in the final output. This would be consistent with
> postmaster's parsing.
>
> The -C flag was chosen to be a mnemonic for "config".
>
> Regards,
>
> David
> --
> David Christensen
> End Point Corporation
> david@endpoint.com
>
>
>
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>
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-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com