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#!/bin/bash -e
mount_bind_rootfs() {
if ! mount | grep -q /rootfs; then
mkdir -p /rootfs
mount --bind / /rootfs
fi
}
mount_efi() {
if ! mount | grep -q /boot/efi; then
mount /boot/efi
fi
}
umount_bind_rootfs() {
if mount | grep -q /rootfs; then
umount /rootfs || lsof -n | grep /rootfs
rmdir /rootfs
fi
}
umount_efi() {
if mount | grep -q /boot/efi; then
umount /boot/efi || lsof -n | grep /boot/efi
fi
}
case $1 in
before)
echo "Start of backup: $2 to $BORG_REPO"
case $2 in
rootfs) apt-get clean || true; mount_bind_rootfs;;
boot-efi) mount_efi ;;
esac
;;
after)
case $2 in
rootfs) umount_bind_rootfs ;;
boot-efi) umount_efi ;;
esac
echo "End of backup: $2 to $BORG_REPO"
;;
esac
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