[chrony-dev] Testing for option -N support

[Lonnie Abelbeck <lists@xxxxxxxxxxxxxxxxxxx>]

Hi Devs,

With the new -N option added in development, there may be cases where web interface frontends may want to use "chronyc -N sources" when chronyc supports it.

As a test for -N, I first tried... 

chronyc -N --version >/dev/null 2>&1

but looking at the code, --version is handled before the -N and always returns 0, then I tried

chronyc -N -v >/dev/null 2>&1

works fine.

The resulting one-liner:
--
ARG="" ; chronyc -N -v >/dev/null 2>&1 && ARG="-N" ; chronyc $ARG sources
--

Lonnie


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