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Re: logging and silencing /etc/rc output

On Sat, 05 Sep 2009, Alan Barrett wrote:
> In order to address PR 41946, I would like to do the following:
>   * expose the kernel's boothowto variable via "sysctl kern.boothowto";
>   * add a new rc.conf variable, $rc_silent, defaulting to true or false
>     according to the value of the AB_SILENT bin in boothowto;
>   * add a post-processor function inside /etc/rc, which will log
>     almost all output to /var/run/rc.log, as well as displaying it on
>     the console in the usual case; but if $rc_silent is true it will
>     display a spinning "twiddle" on the console instead of the usual
>     output;
>   * allow rc.d scripts to be marked with "KEYWORD: interactive" if they
>     need user interaction (which implies that hiding their output
>     would be bad).

I received two comments, both asking for the ability to do something
other than twiddle for each line of suppressed output.  I have now added
an $rc_silent_cmd variable, which defaults to "twiddle", but which can
be set to any command, such as ":" to suppress output entirely.  If you
need it to send a special message to your fancy splash screen animation
driver, you will have to supply your own command.

An updated patch is available from
<>.  As
before, patched copies of rc and rc.subr are also available,
from <> and

I intend to commit this in a few days, or as soon as the original
commenters indicate satisfaction, whichever comes first.

--apb (Alan Barrett)

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