diff options
author | davidovski <david@davidovski.xyz> | 2022-05-04 23:52:30 +0100 |
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committer | davidovski <david@davidovski.xyz> | 2022-05-04 23:52:30 +0100 |
commit | 739c65c54cb0e957df5e9b76f93fb02554e5cac3 (patch) | |
tree | 09ddfa0a342f3ea9de136cb50abdd79821bf1b53 /repo/system/syslinux/update-extlinux | |
parent | 4c585ad54388285500fd18a6aaa516894e0f2c16 (diff) |
moved everything to new file formatting
Diffstat (limited to 'repo/system/syslinux/update-extlinux')
-rw-r--r-- | repo/system/syslinux/update-extlinux | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/repo/system/syslinux/update-extlinux b/repo/system/syslinux/update-extlinux new file mode 100644 index 0000000..4799cd3 --- /dev/null +++ b/repo/system/syslinux/update-extlinux @@ -0,0 +1,284 @@ +#!/bin/sh + +version= +default=0 +timeout=5 +verbose=0 + +conf=/boot/extlinux.conf +myconf=/etc/update-extlinux.conf + +# read in extlinux settings +if [ -f "$myconf" ]; then + . $myconf +fi + +everbose() { + if [ "$verbose" = "0" ]; then + return + fi + + echo $* +} + +ewarn() { + echo "WARNING:" $@ >&2 +} + +eerror() { + echo "ERROR:" $@ >&2 + return 1 +} + +usage() { + echo "usage: $0 [-v|--verbose] [--warn-only]" +} + +while [ $# -gt 0 ]; do + opt="$1" + shift + case "$opt" in + -v|--verbose) + verbose=1 + ;; + --warn-only) + warn_only=1 + ;; + --) + break + ;; + -*) + usage + exit 1 + ;; + esac +done + +everbose "Updating extlinux configuration." + +if [ "x$root" = "x" ]; then + ewarn "Root device is not specified in $myconf." + blkid_export=$(blkid -o export /dev/root) + if [ -n "$blkid_export" ]; then + export $blkid_export + fi + if [ -z "$UUID" ]; then + # try parse /proc/mount for mounted / + dev=$(awk '$2 == "/" {dev=$1} END {print dev}' /proc/mounts) + if [ -n "$dev" ]; then + blkid_export=$(blkid -o export $dev) + if [ -n "$blkid_export" ]; then + export "$blkid_export" + fi + fi + fi + if [ -z "$UUID" ]; then + if [ -z "$dev" ]; then + if [ -n "$warn_only" ]; then + ewarn "Failed to detect root device. extlinux.conf is not updated" + exit 0 + else + eerror "Failed to detect root device" + exit 1 + fi + else + root=$dev + fi + else + root=UUID=$UUID + fi + everbose "Root device is: $root" +fi + +rtimeout=$(( ${timeout} * 10 )) +syslinux_menu=menu.c32 +menu_hidden= + +# vesa menu has been requested? +if [ "$vesa_menu" = "1" ]; then + syslinux_menu=vesamenu.c32 +fi + +umask 0022 +rm -f $conf.new +echo "# Generated by update-extlinux $version" > $conf.new +if [ -n "$serial_port" ]; then + echo "SERIAL $serial_port ${serial_baud:-115200}" >> $conf.new +fi +echo "DEFAULT $syslinux_menu" >> $conf.new +echo "PROMPT 0" >> $conf.new +echo "MENU TITLE XiLinux/$(uname -s) Boot Menu" >> $conf.new +if [ "$hidden" = "1" ]; then + echo "MENU HIDDEN" >> $conf.new +fi +echo "MENU AUTOBOOT XiLinux will be booted automatically in # seconds." >> $conf.new +echo "TIMEOUT $rtimeout" >> $conf.new + +lst=0 +if [ -f "/boot/xen.gz" ]; then + for kernel in $(find /boot -name "vmlinuz-*" -type f); do + tag=$(basename $kernel | cut -b9-) + everbose "Found Xen hypervisor: /boot/xen.gz, kernel: $kernel" + + if [ -f "/boot/initramfs-$tag" ]; then + everbose "Found initramfs: /boot/initramfs-$tag" + initramfs="initramfs-$tag" + else + initramfs= + fi + initramfs_stage="${initramfs:+---} $initramfs" + + if [ -f "/boot/amd-ucode.img" ]; then + everbose "Found microcode for AMD CPUs: /boot/amd-ucode.img" + ucode_image_amd="amd-ucode.img" + case "$xen_opts" in + *ucode=scan* ) ;; + * ) xen_opts="$xen_opts ucode=scan" ;; + esac + fi + if [ -f "/boot/intel-ucode.img" ]; then + everbose "Found microcode for Intel CPUs: /boot/intel-ucode.img" + ucode_image_intel="intel-ucode.img" + case "$xen_opts" in + *ucode=scan* ) ;; + * ) xen_opts="$xen_opts ucode=scan" ;; + esac + fi + ucode_image_stage="${ucode_image_amd:+---} $ucode_image_amd ${ucode_image_intel:+---} $ucode_image_intel" + + label=xen-$(grep -w -l $tag /usr/share/kernel/*/kernel.release \ + | cut -d/ -f5) + if [ "$label" = "xen-" ]; then + label=xen-$lst + fi + + dom0_kernel_stage="--- $(basename $kernel) root=$root modules=${modules}${TYPE:+,$TYPE} $default_kernel_opts" + + echo "LABEL $label" >> $conf.new + if [ "$label" = "$default" ]; then + echo " MENU DEFAULT" >> $conf.new + fi + echo " MENU LABEL Xen + Linux $tag" >> $conf.new + echo " COM32 mboot.c32" >> $conf.new + echo " APPEND xen.gz $xen_opts $dom0_kernel_stage $initramfs_stage $ucode_image_stage" >> $conf.new + echo "" >> $conf.new + lst=$(($lst + 1)) + done +fi + +for kernel in $(find /boot -name "vmlinuz*" -type f); do + case $kernel in + *vmlinuz) tag=vanilla;; + *vmlinuz-*) tag=$(basename $kernel | cut -b9-);; + *) continue;; + esac + everbose "Found kernel: $kernel" + label=$(grep -w -l $tag /usr/share/kernel/*/kernel.release | cut -d/ -f5) + if [ -z "$label" ]; then + if [ "$tag" = vanilla ]; then + label="vanilla" + else + label=$lst + fi + fi + echo "LABEL $label" >> $conf.new + if [ "$label" = "$default" ]; then + echo " MENU DEFAULT" >> $conf.new + fi + echo " MENU LABEL Linux $tag" >> $conf.new + echo " LINUX $(basename $kernel)" >> $conf.new + initrd= + if [ -f "/boot/initramfs-$tag" ]; then + everbose "Found initramfs: /boot/initramfs-$tag" + initrd="initramfs-$tag" + fi + if [ -f "/boot/amd-ucode.img" ]; then + everbose "Found microcode for AMD CPUs: /boot/amd-ucode.img" + initrd="amd-ucode.img${initrd:+,}${initrd}" + fi + if [ -f "/boot/intel-ucode.img" ]; then + everbose "Found microcode for Intel CPUs: /boot/intel-ucode.img" + initrd="intel-ucode.img${initrd:+,}${initrd}" + fi + echo " INITRD ${initrd}" >> $conf.new + echo " APPEND root=$root modules=${modules}${TYPE:+,$TYPE} $default_kernel_opts" >> $conf.new + echo "" >> $conf.new + lst=$(($lst + 1)) +done + +if [ -n "$password" ]; then + echo "NOESCAPE 1" >> $conf.new + echo "MENU MASTER PASSWD $password" >> $conf.new + echo "" >> $conf.new + chmod o-r $conf.new +fi + +everbose "$lst entries found." + +for entry in /etc/update-extlinux.d/*; do + [ -f "$entry" ] && { cat $entry; echo ""; } >> $conf.new +done + +echo "MENU SEPARATOR" >> $conf.new +echo "" >> $conf.new + +if [ -f "/boot/hdt.c32" ]; then + everbose "Found Hardware Detection Tool: /boot/hdt.c32" + echo "LABEL hdt" >> $conf.new + echo " MENU LABEL Hardware info" >> $conf.new + if [ -n "$password" ]; then + echo " MENU PASSWD" >> $conf.new + fi + echo " COM32 hdt.c32" >> $conf.new + if [ -f "/boot/memtest" ]; then + everbose "Found memtest86+: /boot/memtest" + echo " APPEND memtest=memtest" >> $conf.new + fi + echo "" >> $conf.new +elif [ -f "/boot/memtest" ]; then + everbose "Found memtest86+: /boot/memtest" + echo "LABEL memtest" >> $conf.new + echo " MENU LABEL Memtest86+" >> $conf.new + echo " KERNEL memtest" >> $conf.new + echo "" >> $conf.new +fi + +for i in reboot poweroff; do + [ -f "/boot/$i.c32" ] || continue + everbose "Found $i" + # make first char capital + cap=$( echo $i | awk '{sub(".", substr(toupper($0),1,1), $0); print}' ) + echo "LABEL $i" >> $conf.new + echo " MENU LABEL $cap" >> $conf.new + echo " COM32 $i.c32" >> $conf.new + echo "" >> $conf.new +done + +if cmp -s $conf.new $conf; then + everbose "Configuration unchanged." + rm $conf.new +fi + +if [ "$overwrite" != "1" ]; then + exit 0 +elif [ -f "$conf.new" ]; then + # keep a backup just in case + if [ -f "$conf" ]; then + mv $conf $conf.old + fi + + mv $conf.new $conf +fi + +everbose "Installing libutil.c32 libcom32.c32 mboot.c32 menu.c32 vesamenu.c32 to /boot." +cp /usr/share/syslinux/libutil.c32 \ + /usr/share/syslinux/libcom32.c32 \ + /usr/share/syslinux/mboot.c32 \ + /usr/share/syslinux/menu.c32 \ + /usr/share/syslinux/vesamenu.c32 \ + /boot + +case "$(findmnt -n -o FSTYPE -T /boot)" in +ext*) extlinux --update /boot || [ -n "$warn_only" ];; +esac + |