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Commit | Line | Data |
---|---|---|
1 | #!/bin/bash | |
2 | ||
3 | usage() { | |
4 | cat <<-EOF | |
5 | Usage: ${0##*/} [options] | |
6 | ||
7 | Options: | |
8 | -x, --reset reset display to no redshift | |
9 | EOF | |
10 | ||
11 | if [[ $# -eq 0 ]] ; then | |
12 | exit 0 | |
13 | else | |
14 | printf '\nERROR: %s\n' "$*" >&2 | |
15 | exit 1 | |
16 | fi | |
17 | } | |
18 | ||
19 | rs() { | |
20 | exec redshift -m randr "$@" | |
21 | } | |
22 | ||
23 | main() { | |
24 | cd / | |
25 | export DISPLAY=:0 | |
26 | ||
27 | local auth="${HOME}/.Xauthority" | |
28 | if [[ -e ${auth} ]]; then | |
29 | export XAUTHORITY=${auth} | |
30 | fi | |
31 | ||
32 | while [[ $# -gt 0 ]] ; do | |
33 | case $1 in | |
34 | -x|--reset) rs -x ;; | |
35 | -h|--help) usage ;; | |
36 | *) usage "Unknown option: $1" ;; | |
37 | esac | |
38 | done | |
39 | ||
40 | h=$(date +%H) | |
41 | ||
42 | declare -A temps | |
43 | local min=2000 | |
44 | temps=( | |
45 | [20]=$(( min + 2000 )) | |
46 | [21]=$(( min + 1500 )) | |
47 | [22]=$(( min + 1000 )) | |
48 | [23]=$(( min + 500 )) | |
49 | [00]=$(( min )) | |
50 | [01]=$(( min )) | |
51 | [02]=$(( min )) | |
52 | [03]=$(( min )) | |
53 | [04]=$(( min )) | |
54 | [05]=$(( min )) | |
55 | [06]=$(( min + 500 )) | |
56 | [07]=$(( min + 1000 )) | |
57 | [08]=$(( min + 1500 )) | |
58 | [09]=$(( min + 2000 )) | |
59 | ) | |
60 | ||
61 | t=${temps[${h}]} | |
62 | if [[ -z ${t} ]]; then | |
63 | rs -x | |
64 | else | |
65 | rs -O ${t}k | |
66 | fi | |
67 | } | |
68 | main "$@" |