from https://github.com/PiSugar/sugar-wifi-conf

custom_config.json

{
  "info": [
    {
      "label": "CPU Temp",
      "command": "/opt/vc/bin/vcgencmd measure_temp | cut -d = -f 2 | awk '{printf \"%s \", $1}'",
      "interval": 5
    },
    {
      "label": "CPU Load",
      "command": "top -bn1 | grep load | awk '{printf \"%.2f%%\", $(NF-2)}'",
      "interval": 1
    },
    {
      "label": "Memory",
      "command": "free -m | awk 'NR==2{printf \"%s/%sMB\", $3,$2 }'",
      "interval": 5
    },
    {
      "label": "UP Time",
      "command": "uptime -p | cut -d 'p' -f 2 | awk '{ printf \"%s\", $0 }'",
      "interval": 10
    },
    {
	"label":"Battery",
	"command":"echo 'get battery' | sudo ncat -U /tmp/pisugar-server.sock | awk -F \": \" '{print $2}'",
	"interval":10
    },
    {
	"label":"Wifi Monitor",
	"command":"if iwconfig mon0 2>1 >/dev/null; then echo true; else echo false;fi",
	"interval":60
    },
    {
	"label":"Pisugar AutoOn",
	"command":"echo 'get auto_power_on' | sudo ncat -U /tmp/pisugar-server.sock | awk -F \": \" '{print $2}'",
	"interval":60
    },
    {
	"label":"Pwnagotchi Mode",
        "command":"/home/pi/pwnagotchi_checkmode.sh",
	"interval":60
    }
  ],
  "commands": [
    {
      "label": "shutdown",
      "command": "shutdown"
    },
    {
      "label": "reboot",
      "command": "reboot"
    },
    {
	"label":"monstop",
	"command":"sudo monstop"
    },
    {
	"label":"dhclient",
	"command":"sudo dhclient"
    },
    {
	"label":"fix-pisugar",
	"command":"sudo ncat -v -U /tmp/pisugar-server.sock < /home/pi/fix.txt >> fix.log"
    },
    {
	"label":"pwnagotchi in manual",
	"command":"sudo touch /root/.pwnagotchi-manual && sudo systemctl restart pwnagotchi"
    }
  ]
}

fix.txt

set_auto_power_on false
set_auto_power_on true

pisugar-autopower.service

[Unit]
Description=Pisugar-Server always set auto_power true
After=pisugar-server.service

[Service]
Restart=no
Type=oneshot
ExecStart=echo 'set_auto_power_on false' | ncat -U /tmp/pisugar-server.sock && sleep 2 && echo 'set_auto_power_on true' | ncat -U /tmp/pisugar-server.sock
Environment=

[Install]
WantedBy=multi-user.target

pwnagotchi_checkmode.sh

#!/bin/bash
# stolen from /usr/bin/pwnlib

is_interface_up() {
  if grep -qi 'up' /sys/class/net/$1/operstate; then
    return 0
  fi
  return 1
}

checkmode() {
  # check override file first
  if [ -f /root/.pwnagotchi-manual ]; then
    return 1
  fi

  # check override file first
  if [ -f /root/.pwnagotchi-auto ]; then
    return 0
  fi

  # if usb0 is up, we're in MANU
  if is_interface_up usb0; then
    return 1
  fi

  # if eth0 is up (for other boards), we're in MANU
  if is_interface_up eth0; then
    return 1
  fi

  # no override, but none of the interfaces is up -> AUTO
  return 0
}

if checkmode; then
  echo AUTO
else
  echo MANUAL
fi