summaryrefslogtreecommitdiffstats
path: root/dracut-initramfs-restore.sh
diff options
context:
space:
mode:
Diffstat (limited to 'dracut-initramfs-restore.sh')
-rwxr-xr-xdracut-initramfs-restore.sh69
1 files changed, 38 insertions, 31 deletions
diff --git a/dracut-initramfs-restore.sh b/dracut-initramfs-restore.sh
index cc561b2..7472530 100755
--- a/dracut-initramfs-restore.sh
+++ b/dracut-initramfs-restore.sh
@@ -17,39 +17,46 @@ KERNEL_VERSION="$(uname -r)"
SKIP="$dracutbasedir/skipcpio"
[[ -x $SKIP ]] || SKIP="cat"
-if [[ -d /efi/Default ]] || [[ -d /boot/Default ]] || [[ -d /boot/efi/Default ]]; then
- MACHINE_ID="Default"
-elif [[ -s /etc/machine-id ]]; then
- read -r MACHINE_ID < /etc/machine-id
- [[ $MACHINE_ID == "uninitialized" ]] && MACHINE_ID="Default"
-else
- MACHINE_ID="Default"
-fi
+find_initrd_for_kernel_version() {
+ local kernel_version="$1"
+ local base_path files initrd machine_id
+
+ if [[ -d /efi/Default ]] || [[ -d /boot/Default ]] || [[ -d /boot/efi/Default ]]; then
+ machine_id="Default"
+ elif [[ -s /etc/machine-id ]]; then
+ read -r machine_id < /etc/machine-id
+ [[ $machine_id == "uninitialized" ]] && machine_id="Default"
+ else
+ machine_id="Default"
+ fi
+
+ if [ -n "$machine_id" ]; then
+ for base_path in /efi /boot /boot/efi; do
+ initrd="${base_path}/${machine_id}/${kernel_version}/initrd"
+ if [ -f "$initrd" ]; then
+ echo "$initrd"
+ return
+ fi
+ done
+ fi
+
+ if [[ -f /lib/modules/${kernel_version}/initrd ]]; then
+ echo "/lib/modules/${kernel_version}/initrd"
+ elif [[ -f /boot/initramfs-${kernel_version}.img ]]; then
+ echo "/boot/initramfs-${kernel_version}.img"
+ else
+ files=(/boot/initr*"${kernel_version}"*)
+ if [ "${#files[@]}" -ge 1 ] && [ -e "${files[0]}" ]; then
+ echo "${files[0]}"
+ fi
+ fi
+}
mount -o ro /boot &> /dev/null || true
-if [[ -d /efi/loader/entries || -L /efi/loader/entries ]] \
- && [[ -d /efi/$MACHINE_ID || -L /efi/$MACHINE_ID ]]; then
- IMG="/efi/${MACHINE_ID}/${KERNEL_VERSION}/initrd"
-elif [[ -d /boot/loader/entries || -L /boot/loader/entries ]] \
- && [[ -d /boot/$MACHINE_ID || -L /boot/$MACHINE_ID ]]; then
- IMG="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd"
-elif [[ -d /boot/efi/loader/entries || -L /boot/efi/loader/entries ]] \
- && [[ -d /boot/efi/$MACHINE_ID || -L /boot/efi/$MACHINE_ID ]]; then
- IMG="/boot/efi/$MACHINE_ID/$KERNEL_VERSION/initrd"
-elif [[ -f /lib/modules/${KERNEL_VERSION}/initrd ]]; then
- IMG="/lib/modules/${KERNEL_VERSION}/initrd"
-elif [[ -f /boot/initramfs-${KERNEL_VERSION}.img ]]; then
- IMG="/boot/initramfs-${KERNEL_VERSION}.img"
-elif mountpoint -q /efi; then
- IMG="/efi/$MACHINE_ID/$KERNEL_VERSION/initrd"
-elif mountpoint -q /boot/efi; then
- IMG="/boot/efi/$MACHINE_ID/$KERNEL_VERSION/initrd"
-else
- files=("/boot/initr*${KERNEL_VERSION}*")
- if [ "${#files[@]}" -ge 1 ] && [ -e "${files[0]}" ]; then
- IMG="${files[0]}"
- elif [[ -f /boot/initramfs-linux.img ]]; then
+IMG=$(find_initrd_for_kernel_version "$KERNEL_VERSION")
+if [ -z "$IMG" ]; then
+ if [[ -f /boot/initramfs-linux.img ]]; then
IMG="/boot/initramfs-linux.img"
else
echo "No initramfs image found to restore!"
@@ -83,7 +90,7 @@ if [[ -d squash ]]; then
fi
if grep -q -w selinux /sys/kernel/security/lsm 2> /dev/null \
- && [ -e /etc/selinux/config -a -x /usr/sbin/setfiles ]; then
+ && [ -e /etc/selinux/config ] && [ -x /usr/sbin/setfiles ]; then
. /etc/selinux/config
if [[ $SELINUX != "disabled" && -n $SELINUXTYPE ]]; then
/usr/sbin/setfiles -v -r /run/initramfs /etc/selinux/"${SELINUXTYPE}"/contexts/files/file_contexts /run/initramfs > /dev/null