automate/020_redshift.sh

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#!/usr/bin/env bash
sudo apt install -y redshift redshift-gtk geoclue-2.0-demo
/usr/bin/xfconf-query -c xfce4-session -p /startup/redshift/enabled -n -t bool -s true
DEST=${1:-/etc/skel}
#cat <<EOF | sudo tee -a /etc/geoclue/geoclue.conf >/dev/null
#
#[redshift]
#allowed=true
#system=false
#users=
#EOF
cat > ${DEST}/.config/redshift.conf << 'EOF'
; Global settings for redshift
[redshift]
; Set the day and night screen temperatures
temp-day=5700
temp-night=3700
; Enable/Disable a smooth transition between day and night
; 0 will cause a direct change from day to night screen temperature.
; 1 will gradually increase or decrease the screen temperature.
transition=1
; Set the screen brightness. Default is 1.0.
;brightness=0.9
; It is also possible to use different settings for day and night
; since version 1.8.
;brightness-day=0.7
brightness-night=0.5
; Set the screen gamma (for all colors, or each color channel
; individually)
gamma=0.8
;gamma=0.8:0.7:0.8
; This can also be set individually for day and night since
; version 1.10.
;gamma-day=0.8:0.7:0.8
gamma-night=0.6
; Set the location-provider: 'geoclue', 'geoclue2', 'manual'
; type 'redshift -l list' to see possible values.
; The location provider settings are in a different section.
;location-provider=manual
location-provider=geoclue2
; Set the adjustment-method: 'randr', 'vidmode'
; type 'redshift -m list' to see all possible values.
; 'randr' is the preferred method, 'vidmode' is an older API.
; but works in some cases when 'randr' does not.
; The adjustment method settings are in a different section.
adjustment-method=randr
; Configuration of the location-provider:
; type 'redshift -l PROVIDER:help' to see the settings.
; ex: 'redshift -l manual:help'
; Keep in mind that longitudes west of Greenwich (e.g. the Americas)
; are negative numbers.
[manual]
;lat=
;lon=
; Configuration of the adjustment-method
; type 'redshift -m METHOD:help' to see the settings.
; ex: 'redshift -m randr:help'
; In this example, randr is configured to adjust screen 1.
; Note that the numbering starts from 0, so this is actually the
; second screen. If this option is not specified, Redshift will try
; to adjust _all_ screens.
[randr]
screen=0
EOF
# sed -i 's,^\(lat=\).*,\1'51.08744',' ${DEST}/.config/redshift.conf
# sed -i 's,^\(lon=\).*,\1'-1.17148',' ${DEST}/.config/redshift.conf