[Unit]
Description=Update GitHub520 Hosts File
After=network.target

[Service]
User=root
PermissionsStartOnly=true
ExecStart=/bin/bash -c 'sed -i "/# GitHub520 Host Start/Q" /etc/hosts && wget -O - https://raw.hellogithub.com/hosts >> /etc/hosts'
Restart=on-failure
RestartSec=30
StartLimitInterval=3min

[Install]
WantedBy=default.target