[Bug 1892798] Re: systemd package missing resolvconf(8) compatibility symlink, and a Provides: resolvconf

[Dimitri John Ledkov]

Arch used to use openresolv, openresolv compat was added to systemd-
resolved, and yes hence they were able to switch to systemd-resolved
providing openresolv symlink / compat / integration. Either by default,
or as an option.

That is not possible for Debian/Ubuntu because of more than three dozen
of packaging & hooks, calling resolvconf with .$suffix notation.

Please see previous bugs about this, trying to identify, enumerate and
fix all of those usecases.

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Title:
  systemd package missing resolvconf(8) compatibility symlink, and a
  Provides: resolvconf

Status in systemd package in Ubuntu:
  Won't Fix
Status in wireguard package in Ubuntu:
  Confirmed

Bug description:
  By default Ubuntu now uses systemd to manage the nameservers in
  resolv.conf, so resolvconf and openresolv seem to be redundant.
  However, it appears that systemd's resolvectl is compatable with
  resolvconf style commands if symlinked as resolvconf.

  I'm not really sure how deb packaging works, but if it possible to
  check for the resolvconf command, and if not found just symlink
  /usr/bin/resolvectl to /usr/sbin/resolvconf then wg-quick will work
  without additional packages.

  See
  https://manpages.ubuntu.com/manpages/focal/man1/resolvectl.1#compatibility%20with%20resolvconf(8)
  for more info.

  Apologies if there is a better place to direct this info.

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