[Bug 1901526] Re: On upgrade tries to replace /etc/systemd/resolved.conf

[Léa GRIS]

When upgrading a system with this file altered, it is important to keep
it unchanged or the system will not resolve DNS on reboot.

No need to ask. Just don't overwrite the file if it has been changed.

Because if it has been changed, there is a reason, and pushing the
package's default config is surely going to break that intended change.
This is common-sense isn't it?

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https://bugs.launchpad.net/bugs/1901526

Title:
  On upgrade tries to replace /etc/systemd/resolved.conf

Status in systemd package in Ubuntu:
  Invalid

Bug description:
  When upgrading from Ubuntu 20.04.1 to 20.10, the new package tries to
  replace resolved.conf which would break custom DNS configuration

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