[Bug 1534764] Re: xenial lxd (-root.tar.gz/-root.tar.xz) have unnecessary packages

[Ben Howard]

** Package changed: ubuntu => livecd-rootfs (Ubuntu)

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Title:
  xenial lxd (-root.tar.gz/-root.tar.xz) have unnecessary packages

Status in livecd-rootfs package in Ubuntu:
  Confirmed

Bug description:
  the lxd images currently have 'os-prober' and 'libfreetype6' installed inside them.
  I suspect that this is a result of them having been built by building a cloud image (with a kernel and a grub) and then removing the kernel and grub.

  Anyway, the end result is that there are packages that can be
  autoremoved and that seems just like oversite.

  $ url=http://cloud-images.ubuntu.com/daily/server/xenial/current/xenial-server-cloudimg-amd64-root.tar.xz
  $ tball=${url##*/}
  $ [ -f "$tball" ] || { wget "$url" -O "$tball.t && mv "$tball.t" "$tball" ; }

  $ [ -d ex ] && sudo rm -Rf ex;
  $ mkdir -p ex
  $ sudo tar -C ex -Sxpf "$tball"
  $ sudo chroot ex apt-get autoremove
  $ sudo chroot ex apt-get autoremove --dry-run
  Reading package lists... Done
  Building dependency tree
  Reading state information... Done
  The following packages will be REMOVED:
    libfreetype6 os-prober
  0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
  Remv libfreetype6 [2.5.2-4ubuntu2]
  Remv os-prober [1.70ubuntu1]

  I just found this when fiddling around with maas images that are
  derivatives of cloud images.

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