128 lines
3.2 KiB
Bash
Executable File
128 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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function update_crypto() {
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local c
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c="$(crypto 2> /dev/null)" && echo "$c" > "$SBAR/crypto"
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}
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function update_cpu() {
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echo " $(awk '{print $1}' /proc/loadavg)" > "$SBAR/cpu"
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}
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function update_memory() {
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echo " $(free -h | awk '/^Mem:/{print $3}')" > "$SBAR/memory"
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}
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function update_bat() {
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local cap; cap="$(cat /sys/class/power_supply/BAT0/capacity)"
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if grep -qv Discharging /sys/class/power_supply/BAT0/status; then
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echo " $cap%" > "$SBAR/bat"
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else
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echo " $cap%" > "$SBAR/bat"
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fi
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}
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function update_sink_vol() {
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local vol mute
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read -r _ vol mute < <(wpctl get-volume '@DEFAULT_AUDIO_SINK@') || return
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if [ -n "$mute" ]; then
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echo '🔇' > "$SBAR/sink"
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else
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echo " $((10#${vol/./}))" > "$SBAR/sink"
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fi
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}
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function update_source_vol() {
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local vol mute
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read -r _ vol mute < <(wpctl get-volume '@DEFAULT_AUDIO_SOURCE@') || return
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if [ -n "$mute" ]; then
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echo '' > "$SBAR/source"
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else
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echo " $((10#${vol/./}))" > "$SBAR/source"
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fi
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}
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function update_net() {
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local dev j ssid sig
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dev="$(ip route | grep -oP 'default.*dev\s+\K[^\s]+')"
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j="$(networkctl status "$dev" --json=short)"
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case "$(jq -r .Type <<< "$j")" in
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ether)
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echo "🌐 $dev" > "$SBAR/net"
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;;
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wlan)
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ssid="$(jq -r .SSID <<< "$j")"
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sig="$(awk "/$dev/{printf \"%.0f\", \$3}" /proc/net/wireless)"
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if [ "$sig" -gt 56 ]; then echo "▂▄▆█ $ssid" > "$SBAR/net"
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elif [ "$sig" -gt 38 ]; then echo "▂▄▆_ $ssid" > "$SBAR/net"
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elif [ "$sig" -gt 21 ]; then echo "▂▄__ $ssid" > "$SBAR/net"
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elif [ "$sig" -gt 3 ]; then echo "▂___ $ssid" > "$SBAR/net"
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else echo "____ $ssid" > "$SBAR/net"
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fi
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;;
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*)
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echo '⚠' > "$SBAR/net"
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;;
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esac
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}
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function update_vpn() {
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local v; v="$(ip -br link show type wireguard | awk '{print $1}')"
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if [ -n "$v" ]; then
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echo " 🔒 $v" > "$SBAR/vpn"
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else
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: > "$SBAR/vpn"
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fi
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}
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function update_time() {
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echo "$(TZ=Asia/Makassar date '+%R %Z') - $(date -u '+%a %m-%d %R')" \
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> "$SBAR/time"
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}
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function display() {
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for f in "$SBAR"/*; do
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local "$(basename "$f")"="$(cat "$f")"
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done
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# shellcheck disable=SC2154
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xsetroot -name "$crypto | $cpu | $memory | $sink $source | $net$vpn | $bat | $time"
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}
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# SIGNALING
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# trap '<function>;display;wait -n' 'RTMIN+n'
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trap 'update_sink_vol;display;wait -n' 'RTMIN+0'
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trap 'update_source_vol;display;wait -n' 'RTMIN+1'
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trap 'update_net;display;wait -n' 'RTMIN+2'
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trap 'update_vpn;display;wait -n' 'RTMIN+3'
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# to update it from external commands
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## kill -m "$(cat "$XDG_CACHE_HOME/pidofbar")"
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# where m = 34 + n
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SBAR="$XDG_CACHE_HOME/sbar"
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mkdir -p "$SBAR"
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echo "$$" > "$SBAR/pid"
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(while :; do
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update_crypto
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sleep $((300 - 10#$(date '+%S') % 300)) & wait -n
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done &)
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while true; do
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update_cpu
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update_memory
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update_sink_vol
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update_source_vol
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update_net
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update_vpn
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update_bat
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update_time
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display
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sleep $((5 - 10#$(date '+%S') % 5)) & wait -n
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done
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