-#! /bin/sh
-set -e
-
-# adapted from '/etc/kernel/postinst.d/zz-update-grub and
-# /usr/lib/kernel/install.d/90-loaderentry.install, see also
-# https://kernel-team.pages.debian.net/kernel-handbook/ch-update-hooks.html
-
-# relative to the ESP mountpoint
-PMX_ESP_DIR="EFI/proxmox"
-
-MOUNTROOT="${TMPDIR:-/var/tmp}/espmounts"
-
-# TODO:
-# - no mount on /boot/efi - mount all available esps on /var/tmp/esp-UUID
-# and copy the stuff for all of them (or copy onto first and sync for the
-# others - or don't copy if unchanged
-# - trap error-conditions and make sure stuff gets unmounted
-# - cleanup - gently delete all kernels not in kernel-keep-list
-
-#[ -f "${LOADERDIR}/loader.conf" ] || exit 0
-#[ -d "${ESPMOUNT}/${PMX_ESP_DIR}" ] || exit 0
-
-if command -V systemd-detect-virt >/dev/null 2>&1 &&
- systemd-detect-virt --quiet --container; then
- exit 0
-fi
-
-cleanup() {
-
- warn "unmounting ESPs"
- for mount in "${MOUNTROOT}"/* ; do
- if echo "${mount}" | grep -qE '[0-9a-fA-F]{4}-[0-9a-fA-F]{4}' && \
- mountpoint -q "${mount}"; then
- umount "${mount}"
- fi
- done
-
-}
-
-trap cleanup EXIT INT TERM QUIT
-
-. /usr/share/proxmox-ve/scripts/functions
-
-BOOT_KVERS="$(boot_kernel_list "$@")"
-
-if [ -f /etc/kernel/cmdline ]; then
- CMDLINE="$(cat /etc/kernel/cmdline)"
-else
- warn "No /etc/kernel/cmdline found - falling back to /proc/cmdline"
- CMDLINE="$(cat /proc/cmdline)"
-fi
-
-
-update_esps() {
- esps="$(lsblk --list -o PATH,UUID,FSTYPE,PARTTYPE,MOUNTPOINT |
- awk -v OFS=';' '$3 == "vfat" && $4 == "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" && $5 == "" {print $1,$2}')"
-
- for esp in ${esps}; do
- path="$(echo "${esp}" | cut -d ';' -f1)"
- uuid="$(echo "${esp}" | cut -d ';' -f2)"
- mountpoint="${MOUNTROOT}/${uuid}"
-
- mkdir -p "${mountpoint}"
- mount "${path}" "${mountpoint}" || \
- { warn "mount of ${esp} failed - skipping"; continue; }
- if [ ! -f "${mountpoint}/loader/loader.conf" ]; then
- warn "${path} contains no loader.conf - skipping"
- continue
- fi
- if [ ! -d "${mountpoint}/EFI/proxmox" ]; then
- warn "${path} contains no EFI/proxmox - skipping"
- continue
- fi
-
- warn "Copying and configuring kernels on ${path}"
- copy_and_config_kernels "${mountpoint}"
- remove_old_kernels "${mountpoint}"
-
- umount "${mountpoint}" || \
- { warn "umount of ${esp} failed - failure"; exit 2; }
-
- rmdir "${mountpoint}"
- done
-
-}
-
-copy_and_config_kernels() {
- esp="$1"
-
-
- for kver in ${BOOT_KVERS}; do
-
- linux_image="/boot/vmlinuz-${kver}"
- initrd="/boot/initrd.img-${kver}"
-
- if [ ! -f "${linux_image}" ]; then
- warn "No linux-image ${linux_image} found - skipping"
- continue
- fi
- if [ ! -f "${initrd}" ]; then
- warn "No initrd-image ${initrd} found - skipping"
- continue
- fi
-
- warn " Copying kernel and creating boot-entry for ${kver}"
- KERNEL_ESP_DIR="${PMX_ESP_DIR}/${kver}"
- KERNEL_LIVE_DIR="${esp}/${KERNEL_ESP_DIR}"
- mkdir -p "${KERNEL_LIVE_DIR}"
- cp -u --preserve=timestamps "${linux_image}" "${KERNEL_LIVE_DIR}/"
- cp -u --preserve=timestamps "${initrd}" "${KERNEL_LIVE_DIR}/"
-
- # create loader entry
- cat > "${esp}/loader/entries/proxmox-${kver}.conf" <<- EOF
- title Proxmox
- version ${kver}
- options ${CMDLINE}
- linux /${KERNEL_ESP_DIR}/vmlinuz-${kver}
- initrd /${KERNEL_ESP_DIR}/initrd.img-${kver}
- EOF
- done
-
-}
-
-remove_old_kernels() {
- esp="$1"
-
- for kerneldir in "${esp}/${PMX_ESP_DIR}"/*; do
- if [ ! -d "${kerneldir}" ]; then
- warn " ${kerneldir} is not a directory - skipping"
- continue
- fi
-
- kver="$(echo "${kerneldir}" | sed -r "s#^${esp}/${PMX_ESP_DIR}/(.+)\$#\\1#")"
-
- echo "${BOOT_KVERS}" | grep -q "${kver}" && continue;
- warn " Removing old version ${kver}"
- rm -rf "${kerneldir}"
- rm -f "${esp}/loader/entries/proxmox-${kver}.conf"
- done
-
-}
-
-set -- $DEB_MAINT_PARAMS
-mode="${1#\'}"
-mode="${mode%\'}"
-case $0:$mode in
- # Only run on postinst configure and postrm remove, to avoid wasting
- # time by calling update-grub multiple times on upgrade and removal.
- # Also run if we have no DEB_MAINT_PARAMS, in order to work with old
- # kernel packages.
- */postinst.d/*:|*/postinst.d/*:configure|*/postrm.d/*:|*/postrm.d/*:remove)
- update_esps
- ;;
-esac
-
-exit 0