power menu, redshift, polybar

.config/polybar/scripts/info-wifionice/README.md

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+# Script: info-wifionice
+
+This script shows some information about the current ICE train of Deutsche Bahn. It requests the data from the local information portal and was obviously hacked in a train.
+
+![info-wifionice](screenshots/1.png)
+
+## Dependencies
+
+* `jq`, and `curl` need to be in `$PATH`
+* You have to be logged in to the local SSID `WIFIonICE`, see https://www.bahn.de/service/zug/wlan-im-zug.
+
+## Module
+
+```ini
+[module/info-wifionice]
+type = custom/script
+exec = ~/polybar-scripts/info-wifionice.sh
+interval = 10
+```

.config/polybar/scripts/info-wifionice/info-wifionice.sh

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+#!/bin/sh
+
+icon="#"
+
+current_wifi=$(iwgetid -r)
+if { [ "$current_wifi" = "WIFIonICE" ] || [ "$current_wifi" = "WIFI@DB" ]; }; then
+    # Obtain route info. Bail out if it cannot be obtained or if the response
+    # is not valid JSON (based on jq's exit code).
+    if ! { wifionice=$(curl -sf https://iceportal.de/api1/rs/status); } then
+        echo "$icon In-train portal unreachable"
+        exit 0
+    fi
+    if ! { echo "$wifionice" | jq --exit-status > /dev/null 2>&1; } then
+        echo "$icon In-train portal unreachable"
+        exit 0
+    fi
+
+    if [ "$(echo "$wifionice" | jq .connection)" = "true" ]; then
+        wifionice_speed=$(echo "$wifionice" | jq .speed)
+        if [ "$wifionice_speed" -ne 0 ]; then
+            wifionice_speed=" - $wifionice_speed km/h"
+        else
+            wifionice_speed=""
+        fi
+
+        station=$(curl -sf https://iceportal.de/api1/rs/tripInfo/trip | jq '[.[].stops[]? | select(.info.passed == false)][0]')
+
+        station_name=$(echo "$station" | jq -r '.station.name')
+
+        station_track=$(echo "$station" | jq -r '.track.actual')
+
+        station_arrival=$(echo "$station" | jq -r '.timetable.scheduledArrivalTime')
+        station_arrival=$(date --date="@$((station_arrival / 1000))" +%H:%M)
+
+        station_delay=$(echo "$station" | jq -r '.timetable.arrivalDelay')
+        if [ -n "$station_delay" ]; then
+            station_delay=" %{F#d60606}($station_delay)%{F-}"
+        else
+            station_delay=""
+        fi
+
+        echo "$icon $station_arrival$station_delay - $station_name, Gl. $station_track$wifionice_speed"
+    fi
+else
+    echo ""
+fi