[Bug 1871979] Re: package grub-efi-amd64-signed 1.139+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2

[Steve Langasek]

*** This bug is a duplicate of bug 1871963 ***
    https://bugs.launchpad.net/bugs/1871963

** This bug is no longer a duplicate of bug 1871955
   package grub-efi-amd64-signed 1.139+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2 when I ran apt dist-upgrade with pre-release updates enabled in Software Properties
** This bug has been marked a duplicate of bug 1871963
   dpkg fails to install grub-efi-amd64 signed and shim-signed

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Title:
  package grub-efi-amd64-signed 1.139+2.04-1ubuntu24 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 2

Status in grub2-signed package in Ubuntu:
  Confirmed

Bug description:
  Changing setup.

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.139+2.04-1ubuntu24
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Thu Apr  9 20:47:49 2020
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.139+2.04-1ubuntu24
   Setting up grub-efi-amd64-signed (1.139+2.04-1ubuntu24) ...
   /var/lib/dpkg/info/grub-efi-amd64-signed.postinst: 23: Syntax error: word unexpected (expecting ")")
   dpkg: error processing package grub-efi-amd64-signed (--configure):
    installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2
  InstallationDate: Installed on 2020-03-14 (26 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200314)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.1ubuntu1
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.139+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 2
  UpgradeStatus: No upgrade log present (probably fresh install)

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