diff options
Diffstat (limited to 'os/etc/kernel/efi.sh')
| -rwxr-xr-x | os/etc/kernel/efi.sh | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/os/etc/kernel/efi.sh b/os/etc/kernel/efi.sh deleted file mode 100755 index d23e317..0000000 --- a/os/etc/kernel/efi.sh +++ /dev/null @@ -1,341 +0,0 @@ -#!/bin/bash -set -e -[ -n "$DEBUG" ] && set -x - -. /lib/gentoo/functions.sh - -EFI_PARTITION=/boot/efi -EFI_DIR=/efi/gentoo - -_() { - if [ "$NOOP" ]; then - echo "+" "$*" - else - echo "+" "$*" - "$@" - fi -} - -mount_efi() { - mount "${EFI_PARTITION}" || true - mount -o remount,rw /sys/firmware/efi/efivars || true - trap '{ umount ${EFI_PARTITION}; mount -o remount,ro /sys/firmware/efi/efivars; }' EXIT -} -path_from_efi() { - sed -e 's,\\,/,g' -e "s,^,${EFI_PARTITION}," -} -path_to_efi() { - sed -e "s,${EFI_PARTITION},," -e 's,/,\\,g' -} -hashsum() { - sha1sum | cut -d' ' -f1 -} - -parse_efi() ( - local bootorder bootcurrent - bootorder=$(efibootmgr -u | grep '^BootOrder' | sed -e 's,BootOrder: ,,' -e 's/,/\n/g' | awk '{print $0 "\t" NR}') - bootcurrent=$(efibootmgr -u | grep '^BootCurrent' | sed -e 's,BootCurrent: ,,') - - efibootmgr -u | - grep -E '^Boot[0-9]' | - while read -r ln; do - local hash entry loader id - - hash=$(hashsum <<<"$ln") - ln=$(sed -e 's|Boot\([^\*]*\)\*\s\(.*\)\sHD(\([0-9]*\),[^,]*,\([^,]*\),.*)/File(\([^)]*\))\(.*\)$|\1\t\2\t\3\t\4\t\5\t\6|' <<<"$ln") - entry=$(cut -d $'\t' -f1 <<<"$ln") - loader=$(cut -d $'\t' -f5 <<<"$ln") - version=$(sed -e 's,^.*vmlinuz-\(.*\)\.efi$,\1,' <<<"$loader") - if [ -f "$(path_from_efi <<<"$loader")" ]; then - jq -cn -S \ - --arg hash "$hash" \ - --arg entry "$entry" \ - --arg loader "$loader" \ - --arg version "$version" \ - --argjson bootorder "$(grep "$entry" <<<"$bootorder" | cut -d $'\t' -f2)" \ - --argjson current "$(test "$entry" = "$bootcurrent" && echo true || echo false)" \ - --arg disk "$(cut -d $'\t' -f4 <<<"$ln")" \ - --arg label "$(cut -d $'\t' -f2 <<<"$ln")" \ - --argjson part "$(cut -d $'\t' -f3 <<<"$ln")" \ - --arg args "$(cut -d $'\t' -f6 <<<"$ln")" \ - '{version:$version,entry:$entry,label:$label,loader:$loader,args:$args,bootorder:$bootorder,current:$current,disk:$disk,part:$part,hash:$hash}' - fi - done | - jq -s 'sort_by(.bootorder)' -) - -create_efi() ( - jq -rc '.[]' | - while read -r ln; do - local entry hash - - entry=$(jq -r '.entry' <<<"$ln" || echo none) - hash=$(jq -r '.hash' <<<"$ln" || echo none) - loader=$(jq -r '.loader' <<<"$ln") - bootorder=$(jq -r '.bootorder' <<<"$ln") - label=$(jq -r '.label' <<<"$ln") - args=$(jq -r '.args' <<<"$ln") - disk=$(findmnt -no SOURCE --target "$(path_from_efi <<<"$loader")" || echo none) - part=$(sed -e 's,^.*p\([0-9]\)$,\1,' <<<"$disk") - disk=${disk//p${part}/} - - _ efibootmgr -u --remove-dups --create --disk "$disk" --part "$part" --label "$label" --loader "$loader" -u "$args" --index "$bootorder" - done -) - -delete_efi() ( - local entry=$1 - _ efibootmgr -u --delete-bootnum --bootnum "$entry" -) -bootnext_efi() ( - local entry=$1 - _ efibootmgr -u --bootnext "$entry" -) -activate_efi() ( - local entry=$1 - _ efibootmgr -u --active --bootnum "$entry" -) -deactivate_efi() ( - local entry=$1 - _ efibootmgr -u --inactive --bootnum "$entry" -) - -parse_kernels() ( - local kernel_dir=${1:-/boot} - test -d "$kernel_dir" || eerror "kernel_dir should be a directory" - - local current_kernel current_hash - current_kernel=$(parse_efi | jq -rc '.[] | select(.current==true) | .loader' | path_from_efi) - current_hash=$(hashsum <"$current_kernel") - - find "$kernel_dir" -maxdepth 1 -type f -name 'vmlinuz*' -print | - while read -r ln; do - local file mtime ver ext hash aux="[]" - - file=$ln - aux=$(jq -nc \ - --arg img "$(kernel_to_initramfs "$file")" \ - --arg sys "$(kernel_to_aux "$file" System.map)" \ - --arg con "$(kernel_to_aux "$file" config)" \ - '[$img,$sys]') - - hash=$(hashsum <"$file") - mtime=$(stat -c '%Y' "$file") - ln=$(sed -e "s,^${kernel_dir}/\([^-]*\)-\([0-9]*\.[0-9]*\.[0-9]*[^\.]*\)\(.*\)\$,\1\t\2\t\3," <<<"$ln") - ver=$(cut -d $'\t' -f2 <<<"$ln") - ext=$(cut -d $'\t' -f3 <<<"$ln") - jq -cn -S \ - --arg file "$file" \ - --argjson old "$(grep -q old <<<"$ext" && echo true || echo false)" \ - --argjson current "$(test "$hash" = "$current_hash" && echo true || echo false)" \ - --arg version "$ver" \ - --argjson mtime "$mtime" \ - --arg hash "$hash" \ - --argjson aux "$aux" \ - '{file:$file,old:$old,version:$version,mtime:$mtime,hash:$hash,current:$current,aux:$aux}' - done | - jq -s 'sort_by(.mtime)|reverse' -) - -kernel_to_aux() { - local kernel=$1 aux_name=$2 aux_ext=$3 - - aux=$(dirname "$kernel")/$(basename "$kernel" | sed -e "s,^vmlinuz,${aux_name},") - if [ -n "$aux_ext" ]; then - if grep -Eq '\.efi$' <<<"$aux"; then - aux=$(sed -e "s,\.efi$,.${aux_ext}," <<<"$aux") - elif grep -Eq '\.old$' <<<"$aux"; then - aux=$(sed -e "s,\.old$,.${aux_ext}.old," <<<"$aux") - else - aux=$(sed -e "s,$,.${aux_ext}," <<<"$aux") - fi - fi - # echo "+" "$kernel" "->" "$aux" >&2 - echo "$aux" -} - -kernel_to_initramfs() { - kernel_to_aux "$1" initramfs img -} - -install_kernel() { - local file=$1 target=${EFI_PARTITION}${EFI_DIR} newfile - newfile=$target/$(basename "$file").efi - - _ cp -vf "$file" "$newfile" >&2 - _ cp -vf "$(kernel_to_initramfs "$file")" "$target/" >&2 - - echo "$newfile" -} - -remove_kernel() { - local kernel_version=$1 file - - kernel_entries=$(parse_kernels | jq -cr --arg version "$kernel_version" '.[] | select(.version==$version)') - for kernel in "$kernel_entries"; do - file="$(jq -r '.file' <<<"$kernel")" - test -f "$file" && _ rm -vf "$file" >&2 - - efi_kernel=${EFI_PARTITION}${EFI_DIR}/$(basename "$file").efi - test -f "$efi_kernel" && _ rm -vf "$efi_kernel" >&2 - - for file in $(jq -cr '.aux[]' <<<"$kernel"); do - test -f "$file" && _ rm -vf "$file" >&2 - - if [[ "$file" = *initramfs* ]]; then - efi_initramfs=${EFI_PARTITION}${EFI_DIR}/$(basename "$file") - test -f "$efi_initramfs" && _ rm -vf "$efi_initramfs" >&2 - fi - done - done -} - -# $1 : new kernel version, e.g. 6.1.27-gentoo-dist -# $2 : new kernel path, e.g. /boot/vmlinuz-6.1.27-gentoo-dist -new_kernel() { - local version=$1 kernel=$2 - local kernel_dir efi_kernel efi_entries - - test -f "$kernel" || eerror "kernel needs to be a file" - - einfo "New kernel version ${version}" - - kernel_dir=$(dirname "$kernel") - efi_kernel=${EFI_PARTITION}${EFI_DIR}/$(basename "$kernel").efi - efi_entries=$(parse_efi | jq -rc) - - ebegin "Remove old and duplicate boot entries" - # efi entries that are NOT the current version - efi_entries_old=$(jq -rc '. as $in | .[] | select(.current) | .version as $current | $in | map(select(.version!=$current))[] | {entry,version}' <<<"$efi_entries") - for efi_entry in $efi_entries_old; do - delete_efi "$(jq -rc '.entry' <<<"$efi_entry")" - remove_kernel "$(jq -rc '.version' <<<"$efi_entry")" - done - eend $? - - ebegin "Install new kernel" - efi_kernel=$(install_kernel "$kernel") - eend $? - - ebegin "Create new boot entry (debug)" - jq -cnS \ - --arg loader "$(path_to_efi <<<"$efi_kernel")" \ - --arg label "Gentoo Linux $version (debug)" \ - --arg args "initrd=$(kernel_to_initramfs "$efi_kernel" | path_to_efi) rd.cmdline=ask" \ - '[{label:$label,loader:$loader,args:$args}]' | - create_efi - eend $? - - ebegin "Create new boot entry (default)" - jq -cnS \ - --arg loader "$(path_to_efi <<<"$efi_kernel")" \ - --arg label "Gentoo Linux $version" \ - --arg args "initrd=$(kernel_to_initramfs "$efi_kernel" | path_to_efi)" \ - '[{label:$label,loader:$loader,args:$args}]' | - create_efi - eend $? - - # refresh efi+kernel entries - efi_entries=$(parse_efi | jq -rc) - kernel_entries=$(parse_kernels | jq -rc) - - ebegin "Remove unreferenced kernels" - kernel_entries_unref=$(jq -rc --argjson efi "$efi_entries" '. as $kernels | $efi | map(.version) as $refs | $kernels | map(select(. as $this | ($refs|contains([($this|.version)])|not) )) | .[].version' <<<"$kernel_entries") - for kernel_version in $kernel_entries_unref; do - remove_kernel "$kernel_version" - done - eend $? -} - -# check for cli usage -efi=1 -kernel= -interactive= -list= -json= -while getopts KEhlij opt; do - case ${opt} in - E) efi=1 kernel= ;; - K) kernel=1 efi= ;; - i) interactive=1 ;; - l) list=1 ;; - j) json=1 ;; - h | ?) - printf "usage: %s [-hilj]\n" "$(basename "$0")" - printf "\n" - exit 2 - ;; - esac -done -shift $((OPTIND - 1)) - -if [ "$(id -u)" -ne 0 ]; then - eerror "need to be root" -fi - -# always mount efivarfs first -mount_efi - -list_efi() { - parse_efi | - jq 'map({A:(if .current then "*" else " " end),boot:.bootorder,entry,label})' | - /home/robert/bin/jq-table -} -list_kernels() { - parse_kernels | - jq 'map({A:(if .current then "*" else " " end),hash:(.hash[:6]),version,O:(if .old then "*" else " " end)})|sort_by(.version)' | - /home/robert/bin/jq-table -} - -# run list -if [ -n "$list" ]; then - [ -n "$efi" ] && list_efi - [ -n "$kernel" ] && list_kernels - exit $? -fi - -if [ -n "$json" ]; then - [ -n "$efi" ] && parse_efi - [ -n "$kernel" ] && parse_kernels - exit $? -fi - -# run interactive -if [ -n "$interactive" ]; then - export BEMENU_BACKEND=curses - - entry=$(list_efi | tail -n+2 | - bemenu -p ' efi: select boot entry ' | - cut -c5- | - sed -e 's,^\s*,,') - [ -z "$entry" ] && exit - - bootnum=$(cut -d' ' -f1 <<<"$entry") - [ -z "$bootnum" ] && exit - - action=$(cat <<-EOF | bemenu -p " efi: $(cut -d' ' -f2 <<<"$entry") " - delete - activate - deactivate - bootnext -EOF - ) - [ -z "$action" ] && exit - - echo ">>>" "$action" - - case "$action" in - delete) delete_efi "$bootnum" ;; - activate) activate_efi "$bootnum" ;; - deactivate) deactivate_efi "$bootnum" ;; - bootnext) bootnext_efi "$bootnum" ;; - esac - exit $? -fi - - -# run install routine, used by installkernel -test -n "$1" || eerror "need version argument" -test -n "$2" || eerror "need kernel argument" -new_kernel "$1" "$2" -exit $? |