[Bug 556372] Re: Please remove the plymouth dependency from mountall / cryptsetup

[Serhiy Zahoriya]

I don't yet understand how exactly the next two facts combine: 1)
Plymouth is not just a splash screen but required for something
cryptsetup does 2) cryptsetup works just fine without it on many setups

What conditions are required for the cryptsetup to fail in any way when
plymouth package is absent?

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Title:
  Please remove the plymouth dependency from mountall / cryptsetup

Status in cryptsetup:
  Confirmed
Status in mountall package in Ubuntu:
  Won't Fix

Bug description:
  Binary package hint: mountall

  I noticed that mountall (and cryptsetup) depends on plymouth now.
  Whatever plymouth is doing or not doing, my headless system is booting
  fine without plymouth (dpkg --force-depends -P plymouth), yet all
  disks (local, NFS) are mounted and cryptsetup is setting up encrypted
  swap as it used to.

  IMHO the "Depends: plymouth" is too hard and should be replaced with
  "Recommends:" or "Suggests:" for the following reasons:

  - Headless systems won't ever see what plymouth is doing ("graphical boot animation")
  - Plymouth itself depends on quite a few libraries (libdrm-*), unnecessarily adding code to the installation- Mountall is of "Priority: required" while plymouth is "optional". The "Depends:" makes plymouth essentially "required" as well and cannot be uninstalled w/o --force options.

  Please reconsider this dependency.

  # lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu lucid (development branch)
  Release:        10.04
  Codename:       lucid

  # dpkg -l | egrep 'mountall|cryptsetup' | cut -c1-90
  ii  cryptsetup                                              2:1.1.0~rc2-1ubuntu13         
  ii  mountall                                                2.10 

  # apt-cache show plymouth | egrep 'Vers|Depe'
  Version: 0.8.1-4ubuntu1
  Depends: libc6 (>= 2.8), libdrm-intel1 (>= 2.4.9), libdrm-nouveau1 (>= 2.4.11-1ubuntu1~), libdrm-radeon1 (>= 2.4.17), libdrm2 (>= 2.4.3), libplymouth2 (= 0.8.1-4ubuntu1), upstart-job, udev (>= 149-2), mountall (>= 2.0)

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