[Bug 1758438] Re: systemd can't be removed from a chroot

[Launchpad Bug Tracker]

This bug was fixed in the package systemd - 237-3ubuntu6

---------------
systemd (237-3ubuntu6) bionic; urgency=medium

  * Adjust the new dropin test, for v237 systemd.
  * Refresh the keyring patch, to the one merged.

 -- Dimitri John Ledkov <xnox at ubuntu.com>  Tue, 27 Mar 2018 13:40:09
+0100

** Changed in: systemd (Ubuntu Bionic)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1758438

Title:
  systemd can't be removed from a chroot

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  Fix Released

Bug description:
  The systemd package has the following code in its prerm:

  if [ "$1" = "remove" ] && [ -d /run/systemd/system ]; then
      echo "systemd is the active init system, please switch to another before removing systemd."
      exit 1
  fi

  However, /run/systemd/system will exist even in a chroot, and an init
  system is not needed in a chroot.  The maintainer script should
  include a check for whether we're running in a chroot, to allow
  systemd to be removed when it's not needed and there is no harm.

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