[Bug 1467895] Re: grub-efi doesn't depends on package providing update-grub thus dpkg fails

[Karl-Philipp Richter]

There's currently no way at all to get `update-grub` with `grub-efi`.
It's missing from the source installation as well (e.g.
7a210304ebfd6d704b4fc08fe496a0c417441879).

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Title:
  grub-efi doesn't depends on package providing update-grub thus dpkg
  fails

Status in grub2 package in Ubuntu:
  New

Bug description:
  Either the script is now called `update-grub2` which is available
  according to `apt-file find update-grub` or the dependencies are
  broken (`grub` 1.x and `grub2` seem to be incompatible which isn't
  reflected in package dependencies).

  reproduction: after removing all `grub*` packages and using source
  installation of grub-2.02-beta2-433-gc945ca7 the installation of
  `grub-efi` fails. The `dpkg` output:

      $ sudo apt-get install -f
      Reading package lists... Done
      Building dependency tree       
      Reading state information... Done
      The following package was automatically installed and is no longer required:
        grub-pc-bin
      Use 'apt-get autoremove' to remove it.
      0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
      2 not fully installed or removed.
      After this operation, 0 B of additional disk space will be used.
      Committing to: /etc/                                                           
      modified cups/printers.conf
      modified cups/printers.conf.O
      Committed revision 10.                                                         
      Setting up grub-efi-amd64 (2.02~beta2-22ubuntu1) ...
      Installing for x86_64-efi platform.
      Installation finished. No error reported.
      /var/lib/dpkg/info/grub-efi-amd64.postinst: line 751: update-grub: command not found
      dpkg: error processing package grub-efi-amd64 (--configure):
       subprocess installed post-installation script returned error exit status 127
      dpkg: dependency problems prevent configuration of grub-efi:
       grub-efi depends on grub-efi-amd64 (= 2.02~beta2-22ubuntu1); however:
        Package grub-efi-amd64 is not configured yet.

      dpkg: error processing package grub-efi (--configure):
       dependency problems - leaving unconfigured
      No apport report written because the error message indicates its a followup error from a previous failure.
                                Errors were encountered while processing:
       grub-efi-amd64
       grub-efi
      E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: grub2 (not installed)
  Uname: Linux 4.1.0-040100-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Jun 23 12:49:45 2015
  InstallationDate: Installed on 2015-06-08 (14 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to vivid on 2015-06-09 (14 days ago)

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