maple-upgrade (/sbin/maple-upgrade):
- Backup 21 critical configs to p4 (/mnt/mmc2-4/.maple-backup/)
- Then sysupgrade -n (skip broken backup/restore flow)
- Supports -b (backup-only), --no-backup (direct flash), -h
maple-restore (/etc/uci-defaults/99-maple-restore):
- Auto-restores configs from p4 on first boot after upgrade
- Restores: shadow, openclash, frpc, firewall, network, dhcp,
fstab, dropbear, transmission, aria2, tailscale, dockerd, etc.
- Restarts services (frpc, openclash, cron, dropbear)
- Runs once via uci-defaults, then self-deletes
Fixes the long-standing issue: sysupgrade without -n hangs due to
0-byte tgz backup + stage2 ubus deadlock. With maple-upgrade:
config is safely backed up to p4 (survives reflash), then -n flash
works perfectly, and config is restored automatically.
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