[Bug 1856445] [NEW] Cannot import secret keys

[Jarno Suni]

Public bug reported:

I exported secret keys by
gpg --export-secret-keys --export-options backup >file
and later tried to restore it by
gpg --homedir . --import --import-options restore file

but gpg just creates pubring.kbx, not secret keys are imported.
To its output includes:
gpg: key xxxxxxxxxxxxxxxx/xxxxxxxxxxxxxxxx: error sending to agent: No such file or directory
gpg: error building skey array: No such file or directory
gpg: Total number processed: 1
gpg:               imported: 1
gpg:       secret keys read: 1

Is there a workaround? Wouldn't it be easier just to backup ~/.gnupg
/private-keys-v1.d directory and copy it to "homedir", if needed?

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnupg 2.2.4-1ubuntu1.2
ProcVersionSignature: Ubuntu 4.15.0-72.81-generic 4.15.18
Uname: Linux 4.15.0-72-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun Dec 15 11:05:39 2019
InstallationDate: Installed on 2019-07-08 (159 days ago)
InstallationMedia: Xubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: gnupg2
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gnupg2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1856445

Title:
  Cannot import secret keys

Status in gnupg2 package in Ubuntu:
  New

Bug description:
  I exported secret keys by
  gpg --export-secret-keys --export-options backup >file
  and later tried to restore it by
  gpg --homedir . --import --import-options restore file

  but gpg just creates pubring.kbx, not secret keys are imported.
  To its output includes:
  gpg: key xxxxxxxxxxxxxxxx/xxxxxxxxxxxxxxxx: error sending to agent: No such file or directory
  gpg: error building skey array: No such file or directory
  gpg: Total number processed: 1
  gpg:               imported: 1
  gpg:       secret keys read: 1

  Is there a workaround? Wouldn't it be easier just to backup ~/.gnupg
  /private-keys-v1.d directory and copy it to "homedir", if needed?

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: gnupg 2.2.4-1ubuntu1.2
  ProcVersionSignature: Ubuntu 4.15.0-72.81-generic 4.15.18
  Uname: Linux 4.15.0-72-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.9
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Dec 15 11:05:39 2019
  InstallationDate: Installed on 2019-07-08 (159 days ago)
  InstallationMedia: Xubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: gnupg2
  UpgradeStatus: No upgrade log present (probably fresh install)

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