[Bug 1256730] Re: /usr/share/initramfs-toos/hooks/cryptroot does not honour the CRYPTSETUP variable

[Timo Jyrinki]

** Attachment added: "diff_22_22+forcecryptsetup"
   https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1256730/+attachment/4661800/+files/diff_22_22+forcecryptsetup

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https://bugs.launchpad.net/bugs/1256730

Title:
  /usr/share/initramfs-toos/hooks/cryptroot does not honour the
  CRYPTSETUP variable

Status in cryptsetup package in Ubuntu:
  Triaged

Bug description:
  The patch https://launchpad.net/ubuntu/+source/cryptsetup/2:1.4.3-4ubuntu4
  checks via

  +if [ -n "$CRYPTSETUP" ] && [ "$CRYPTSETUP" != "n" ]; then
  +    setup="yes"
  +fi

  whether there is CRYPTSETUP=y has been set.

  The description of the patch says that CRYPTSETUP=y in
  /etc/initramfs-tools/initramfs.conf would be enough.
  But it isn't.

  update-initramfs calls mkinitramfs. CRYPTSETUP is still set to y.
  Then /usr/share/initramfs-tools/hooks/cryptroot is called via
  run_scripts/call_scripts. The variable is still set before the
  cryptroot script is entered, but is unset in the script.

  The problem is that update-initramfs does not put /sbin/cryptsetup
  into initramfs. My root filesystem is unencrypted but I mount an
  encrypted partition during boot, so I need cryptsetup in initramfs.

  Ubuntu 13.10

  Ralf

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