[Bug 1623087] Re: GnuPG can't find /usr/bin/dirmngr

[Alan Franzoni]

This is related to
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1634464 as well,
where the maintainer says the "apt-key adv" is deprecated ("like
everything else"). Not easy to understand what's deprecated.

By the way, "gpg --keyserver YYY --recv-key XXX" works 100% in Ubuntu
Xenial, with no deprecation or warning whatsoever. It should not break
in such unexpected way on Yakkety. It seems a gnupg->gnupg2 migration
issue to me; I think that at least for Yakkety dirmngr should be
included as a required dependency from gnupg2, a warning on the
deprecation of such feature could be issues, then the dirmngr package
could be switched to an optional dep LATER.

Even though IMHO such behaviour is still bad. If I do "gpg --help" in
ubuntu yakkety, I clearly see the "--recv-keys" option. Then it breaks
when using it if dirmngr is not installed. I would not list such option
and let the user employ a different command altogether for fetching
remote keys, instead: that would be WAY easier.

By the way, PLEASE consider that

"apt-key adv --keyserver ..."

is a VERY widely used and recommended command for installing keys. And
some keyservers may not even expose a decent way of fetching public keys
without the HKP protocol, making gpg --keyserver "the right choice".

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https://bugs.launchpad.net/bugs/1623087

Title:
  GnuPG can't find /usr/bin/dirmngr

Status in One Hundred Papercuts:
  Confirmed
Status in enigmail package in Ubuntu:
  Confirmed
Status in gnupg2 package in Ubuntu:
  Confirmed

Bug description:
  1. Enigmail -> Key Management.
  2. Key server -> Refresh all public keys.
  3. One of the following messages is displayed:

  Downloading of keys failed
  gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
  gpg: connecting dirmngr at '/home/colan/.gnupg/S.dirmngr' failed: No such file or directory

  Key(s) updated successfully
  gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
  gpg: connecting dirmngr at '/home/colan/.gnupg/S.dirmngr' failed: No such file or directory

  So it either succeeds or fails, but the GPG error is the same.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: enigmail 2:1.9.1-1
  ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
  Uname: Linux 4.4.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Sep 13 11:03:53 2016
  EcryptfsInUse: Yes
  PackageArchitecture: all
  SourcePackage: enigmail
  UpgradeStatus: No upgrade log present (probably fresh install)

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