85 lines
2.1 KiB
Plaintext
85 lines
2.1 KiB
Plaintext
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#!/bin/sh
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set -e
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COMMAND="$1"
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KVER="$2"
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ESP_MOUNTPOINT=/boot/efi
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EFI_DIR="$ESP_MOUNTPOINT/qubes"
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if [ ! -d "$EFI_DIR" ]; then
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# non-EFI system
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exit 0;
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fi
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case "$COMMAND" in
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add)
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# take the default section and use it as a template for the new entry
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awk -F = --assign "kver=${KVER}" '
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/^\[/ {
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# section header - previous section (if any) ended
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# if default section already processed, that is all
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if (in_default) exit;
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in_global=0;
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in_default=0;
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}
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/\[global\]/ {
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in_global=1;
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}
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/^\[/ {
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if ("[" default_name "]" == $0) {
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in_default=1;
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print "[" kver "]";
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next;
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}
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}
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/^default=/ {
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if (in_global)
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default_name=$2;
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}
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/^kernel=/ {
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if (in_default) {
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sub("=[^ ]*", "=vmlinuz-" kver);
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}
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}
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/^ramdisk=/ {
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if (in_default) {
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sub("=[^ ]*", "=initramfs-" kver ".img");
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}
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}
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{
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if (in_default) {
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print;
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}
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}' $EFI_DIR/xen.cfg >> $EFI_DIR/xen.cfg
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# then change the default
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sed -e "s/default=.*/default=$KVER/" -i $EFI_DIR/xen.cfg
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dracut -f "$EFI_DIR/initramfs-${KVER}.img" "$KVER"
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;;
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remove)
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# don't care about changing default= line - yum should prevent removing
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# currently running kernel
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awk -F = --assign "kver=${KVER}" '
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/^\[/ {
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# section header - previous section (if any) ended
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in_current=0;
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}
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/^\[/ {
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if ($0 == "[" kver "]")
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in_current=1;
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}
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{
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if (!in_current) {
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print;
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}
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}' $EFI_DIR/xen.cfg > $EFI_DIR/xen.cfg.new
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mv $EFI_DIR/xen.cfg.new $EFI_DIR/xen.cfg
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rm -f "$EFI_DIR/initramfs-${KVER}.img"
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;;
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esac
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