[Bug 1960083] Re: dirname applet missing from initramfs

[Dimitri John Ledkov]

although it seems to be a regression introduced by zfs-linux =>
previously it would copy the coreutils dirname into the initramfs as a
binary. Which seems to have been dropped in the most recent upload in
jammy. I kind of agree that busybox providing dirname applet is better,
but it still feels like a bad regression introduced by zfs-linux.

** Also affects: zfs-linux (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  dirname applet missing from initramfs

Status in busybox package in Ubuntu:
  Fix Committed
Status in zfs-linux package in Ubuntu:
  New

Bug description:
  The initramfs is currently being built without the dirname applet.
  This is causing issues with zfs encrypted devices, as cryptsetup is
  attempting to use dirname to determine the location of the system key.
  This results in the following error:

  /init: line 971: dirname: not found

  followed by a prompt that is missing the zpool name. For example

  "Please unlock disk keystore-" rather than "Please unlock disk
  keystore-rpool".

  After entering the password, the user is dropped to an initramfs
  shell.

  It appears that this was caused by a change in cryptsetup to suddenly
  need dirname to function properly.

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