fix disable resetting color+temp continuously #719
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To reproduce without this patch:
./src/redshift -v
in a terminalpkill -USR1 redshift
... which ought to disable its processing altogether, once completed
... but doesn't :(
xrandr --output HDMI2 --brightness 0.5
brightness (and temp) jumps up again despite redshift being disabled
With this patch, instead - the resetting of colour and temperature is
done only once after the program's been disabled, and subsequent changes
of brightness or temperature etc. via a separate
xrandr
while theprogram is disabled have the desired effect (i.e. they stick instead of
being reset by a "disabled" redshift program).
Once the program is re-enabled again (i.e. via another
pkill -USR1 redshift
), the program is again allowed to make changes to brightnessand temperature, as it ought to be able to.