diff options
Diffstat (limited to 'manage_kernel_backup.sh')
| -rwxr-xr-x | manage_kernel_backup.sh | 64 |
1 files changed, 52 insertions, 12 deletions
diff --git a/manage_kernel_backup.sh b/manage_kernel_backup.sh index 9b547a1650db..1e069bce9d30 100755 --- a/manage_kernel_backup.sh +++ b/manage_kernel_backup.sh @@ -22,6 +22,27 @@ INITRAMFS_IMAGES["linux-lts"]="initramfs-linux-lts.img" KERNEL_DIRECTORY="/boot" MODULES_DIRECTORY="/usr/lib/modules" +_is_running_package_kernel() { + package="${1}" + if [ "${package}" == custom ]; then + return 1 + fi + kernel_image="${KERNEL_IMAGES[$package]}" + cd "${KERNEL_DIRECTORY}" + if [ ! -e "${kernel_image}" ]; then + return 1 + fi + kernel_version="$(_kernel_version_from_image "${package}" "${kernel_image}")" + running_version="$(uname -r)" + if [ "${kernel_version}" == "${running_version}" ]; then + echo "Running kernel is from package ${package}, backup needed" >&2 + return 0 + else + echo "Running kernel is not from package ${package}, no backup needed" >&2 + return 1 + fi +} + _update_grub_cfg() { grub-mkconfig -o /boot/grub/grub.cfg } @@ -183,7 +204,7 @@ clean_backups() { declare -a kernel=() # shellcheck disable=SC2012 - mapfile -t kernel < <(ls -1 "${kernel_image}"-[0-9]* | sort -r) + mapfile -t kernel < <(ls -1 "${kernel_image}"-[0-9]* 2> /dev/null | sort -r) for k in "${kernel[@]}"; do v="$(_kernel_version_from_kernel_file_name "${package}" "${k}")" if [ "${v}" == "${installed_version}" ]; then @@ -226,7 +247,7 @@ remove_backups() { installed_version="$(_kernel_version_from_image "${package}" "${kernel_image}")" fi # shellcheck disable=SC2012 - for k in $(ls -1 "${kernel_image}"-[0-9]* | sort -r); do + for k in $(ls -1 "${kernel_image}"-[0-9]* 2> /dev/null | sort -r); do v="$(_kernel_version_from_kernel_file_name "${package}" "${k}")" if [ "${v}" == "${installed_version}" ]; then _delete_kernel_version "${package}" "${k}" "${v}" 0 @@ -286,7 +307,7 @@ restore_modules_backup() { restore_dkms_backup() { kernel_version="${2}" - dkms autoinstall -k "${kernel_version}" + dkms autoinstall -k "${kernel_version}" || true } @@ -316,8 +337,10 @@ case "${action}" in if [ "${p}" == "custom" ]; then continue fi - create_kernel_backup "${p}" - _update_grub_cfg + if _is_running_package_kernel "${p}"; then + create_kernel_backup "${p}" + _update_grub_cfg + fi done ;; remove) @@ -333,7 +356,9 @@ case "${action}" in if [ "${p}" == "custom" ]; then continue fi - create_modules_backup "${p}" + if _is_running_package_kernel "${p}"; then + create_modules_backup "${p}" + fi done ;; modules_restore) @@ -341,7 +366,9 @@ case "${action}" in if [ "${p}" == "custom" ]; then continue fi - restore_modules_backup "${p}" + if _is_running_package_kernel "${p}"; then + restore_modules_backup "${p}" + fi done ;; mkinitcpio) @@ -350,17 +377,22 @@ case "${action}" in if [ "${p}" == "custom" ]; then continue fi - create_initramfs_backup "${p}" + if _is_running_package_kernel "${p}"; then + create_initramfs_backup "${p}" + fi done + _update_grub_cfg else for p in "${packages[@]}"; do if [ "${p}" == "custom" ]; then continue fi - create_initramfs_backup "${p}" + if _is_running_package_kernel "${p}"; then + create_initramfs_backup "${p}" + fi done + _update_grub_cfg fi - _update_grub_cfg ;; clean) if [ ${#packages[@]} -eq 0 ]; then @@ -368,14 +400,22 @@ case "${action}" in if [ "${p}" == "custom" ]; then continue fi - clean_backups "${p}" + if _is_running_package_kernel "${p}"; then + clean_backups "${p}" + else + remove_backups "${p}" + fi done else for p in "${packages[@]}"; do if [ "${p}" == "custom" ]; then continue fi - clean_backups "${p}" + if _is_running_package_kernel "${p}"; then + clean_backups "${p}" + else + remove_backups "${p}" + fi done fi ;; |