On Debian testing I've been bitten by the systemd upgrade and the systemd package split recently, rendering my dracut-LUKS-based system unbootable. I know that my warranty is void since I'm on testing, but both these issues would have been much easier to cope with if there had been some good backup of my initramfs and kernel below /boot.
So I thought that there might be some automatism like this: If the currently used kernel and initramfs have been in use already N times and if the boot time has been lower then M minutes each time (and if some other conditions are fulfilled), then consider that kernel and initramfs good and save them away where they will not be overwritten by regular kernel/initramfs maintenance. Scripting something like that shouldn't be too hard, but I wonder if there already is a package implementing that? A cursory search hasn't brought up anything. There is package dracut-config-rescue, but that only configures a variable that does not seem to be used by dracut itself. Please CC me when replying. Thanks!
