power menu, redshift, polybar

.config/polybar/scripts/system-eprivacy/README.md

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+# Script: system-eprivacy
+
+A small script to manage the ePrivacy state for ThinkPads.
+
+![system-eprivacy](screenshots/1.png)
+
+
+## Dependencies
+
+* `inotify-tools`
+
+
+## Configuration
+
+You have to add the `/usr/bin/tee /proc/acpi/ibm/lcdshadow` command to the `/etc/sudoers` NOPASSWD of your user:
+
+```
+user ALL = NOPASSWD: /usr/bin/tee /proc/acpi/ibm/lcdshadow
+```
+
+
+## Module
+
+```ini
+[module/system-eprivacy]
+type = custom/script
+exec = ~/polybar-scripts/system-eprivacy.sh
+tail = true
+click-left = ~/polybar-scripts/system-eprivacy.sh --toggle &
+```

.config/polybar/scripts/system-eprivacy/system-eprivacy.sh

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+#!/bin/sh
+# shellcheck disable=SC2034
+
+eprivacy_status () {
+    grep status /proc/acpi/ibm/lcdshadow | awk '{ print $2 }'
+}
+
+eprivacy_print () {
+    if [ "$(eprivacy_status)" = 0 ]; then
+        echo "#1"
+    else
+        echo "#2"
+    fi
+}
+
+eprivacy_watch () {
+    eprivacy_print
+
+    inotifywait -q -m -e modify /proc/acpi/ibm/lcdshadow | while read -r "event" ; do
+        eprivacy_print
+    done
+}
+
+eprivacy_toggle () {
+    if [ "$(eprivacy_status)" = 0 ]; then
+        echo 1 | sudo tee /proc/acpi/ibm/lcdshadow > /dev/null
+    else
+        echo 0 | sudo tee /proc/acpi/ibm/lcdshadow > /dev/null
+    fi
+}
+
+case "$1" in
+    --toggle)
+        eprivacy_toggle
+        ;;
+    *)
+        eprivacy_watch
+        ;;
+esac