#! /bin/sh

set -e

. /usr/share/pve-kernel-helper/scripts/functions

init_boot_disks() {
    if ! (echo "${curr_uuid}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}'); then
        warn "WARN: ${curr_uuid} read from ${ESP_LIST} does not look like a VFAT-UUID - skipping"
        return
    fi

    path="/dev/disk/by-uuid/$curr_uuid"
    if [ ! -e "${path}" ]; then
        warn "WARN: ${path} does not exist - clean '${ESP_LIST}'! - skipping"
        return
    fi
    proxmox-boot-tool init "$path"
}

if proxmox-boot-tool status --quiet; then
    # detect when being called by dpkg (e.g. grub-pc.postinst
    if [ -n "$DPKG_RUNNING_VERSION" ] && echo "$DPKG_MAINTSCRIPT_PACKAGE" | grep -sq "^grub-"; then
            if [ -d /sys/firmware/efi ]; then
                echo "Promxox's boot-tool is used and booted via EFI, skipping re-sync of GRUB"
                exit 0
            fi
            MARKER_FILE="/tmp/proxmox-boot-tool.dpkg.marker"
            if [ ! -e "$MARKER_FILE" ]; then
                warn "This system is booted via proxmox-boot-tool, running proxmox-boot-tool init for all configured bootdisks"
                loop_esp_list init_boot_disks
                touch "$MARKER_FILE"
                exit 0
            else
                echo "Proxmox's boot-tool marker file found, ignoring grub install call."
                exit 0
            fi
    fi
    warn "grub-install is disabled because this system is booted via proxmox-boot-tool, if you really need to run it, run /usr/sbin/grub-install.real"
    exit 1
else
    grub-install.real "$@"
fi