client_body_in_file_only getting deleted

[shmurf]

When setting
client_body_in_file_only on;
nginx is supposed to cache the user request body to a file and NOT delete it, this is convenient for debugging.
However with modsec on I realized that the file gets deleted even when set to ON.

[martinhsv]

Hello @shmurf ,

Thank you for raising that.

I can confirm your report ... and I think I see the problem.

[github-actions]

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[zimmerle]

Closed as #194 got merged! I was expecting GitHub to do it automagically :P