On Mon, 2010-06-28 at 22:19 +0000, Colin Watson wrote: > On Mon, Jun 28, 2010 at 03:02:35AM +0100, Ben Hutchings wrote: > > 1. Packages for boot loaders that need to be updated whenever the files > > they load are modified (i.e. those that store a block list) must install > > hook scripts in /etc/kernel/postinst.d and /etc/kernel/postrm.d, which > > will be called on installation/upgrade and removal of kernel packages, > > respectively. > > It seems to me (particularly from the fact that you upgraded a grub2 bug > report about this to important - GRUB 2 does not store block lists for > kernels) that this is not limited to boot loaders that store block lists > for the files they load: it also affects boot loaders that need to be > updated whenever the *list* of files they load is modified. Can you > confirm that my understanding is correct?
Sorry, I managed to lose this sentence during editing: 'Packages for boot loaders that can provide a menu of kernel versions should install kernel hook scripts in order to update that menu.' > > 2. Packages for boot loaders that need to be updated whenever the files > > they load are modified must also install hook scripts in > > /etc/mkinitramfs/post-update.d. Initramfs builders must call these > > scripts using run-parts after they create, update or delete an > > initramfs. The arguments given to these hook scripts are the kernel ABI > > version and the absolute path to the initramfs image. > > Does the same apply here, or not? This is going to be quite a lot of > calls to update-grub if so, although at least it's quite a bit faster > now than it used to be ... No. > > 3. Initramfs builders must complete their work before returning from the > > kernel postinst hook script. [initramfs-tools currently uses a trigger > > to defer this because it can also be invoked twice, but this means it > > also has to know how to update specific boot loaders.] > > Is an initramfs guaranteed to be built before any of the boot loader > hooks are executed? It seems like a waste of time calling boot loader > hooks otherwise. (This may be implied by your design, but it was a > little bit implicit if so.) [...] This requirement and the naming requirements on hook scripts are intended to guarantee that. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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