[pkg-cryptsetup-devel] Bug#776409: cryptsetup fails to unlock volumes with key files from initramfs

[Guilhem Moulin]

Hi Ben,

On Fri, 10 Apr 2015 at 02:40:53 +0100, Ben Hutchings wrote:
> cryptsetup needs to adjust the key file paths when unlocking volumes
> from the initramfs, because at this point the 'real' root filesystem is
> mounted at /root.

Can we really assume in the hook file that the roofs will be mounted
onto /root?  Indeed the current /usr/share/initramfs-tools/init seems to
suggest that (it's mounted onto $rootmnt which is constant and set to
/root).  But this is what initramfs-tools(8) says about rootmnt:

    Exported variables
      init sets several variables for the boot scripts environment.
      […]
      rootmnt
        is the path where root gets mounted usually /root.

Please consider changing the wording (eg, removing “usually”) if we can
safely make this assumption in hook files.

Cheers,
-- 
Guilhem.
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