[Bug 2089622] [NEW] grub2-tools-2.06-92.el9 forbidden overwrite the GRUB wrapper

[QCU266]

Public bug reported:


Recently, when I was deploying almalinux 9 using maas, I came across images that I could deploy previously. The following error is reported:

```text
        finish: cmd-install/stage-curthooks/builtin/cmd-curthooks: FAIL: curtin command curthooks
        Traceback (most recent call last):
          File "/curtin/curtin/commands/main.py", line 202, in main
            ret = args.func(args)
                  ^^^^^^^^^^^^^^^
          File "/curtin/curtin/commands/curthooks.py", line 1918, in curthooks
            builtin_curthooks(cfg, target, state)
          File "/curtin/curtin/commands/curthooks.py", line 1883, in builtin_curthooks
            setup_grub(cfg, target, osfamily=osfamily,
          File "/curtin/curtin/commands/curthooks.py", line 821, in setup_grub
            install_grub(instdevs, target, uefi=uefi_bootable, grubcfg=grubcfg)
          File "/curtin/curtin/commands/install_grub.py", line 444, in install_grub
            in_chroot.subp(cmd, env=env, capture=True)
          File "/curtin/curtin/util.py", line 792, in subp
            return subp(*args, **kwargs)
                   ^^^^^^^^^^^^^^^^^^^^^
          File "/curtin/curtin/util.py", line 280, in subp
            return _subp(*args, **kwargs)
                   ^^^^^^^^^^^^^^^^^^^^^^
          File "/curtin/curtin/util.py", line 144, in _subp
            raise ProcessExecutionError(stdout=out, stderr=err,
        curtin.util.ProcessExecutionError: Unexpected error while running command.
        Command: ['unshare', '--fork', '--pid', '--', 'chroot', '/tmp/tmpndyymroj/target', 'grub2-mkconfig', '-o', '/boot/efi/EFI/rocky/grub.cfg']
        Exit code: 1
        Reason: -
        Stdout: ''
        Stderr: Running `grub2-mkconfig -o /boot/efi/EFI/rocky/grub.cfg' will overwrite the GRUB wrapper.
                Please run `grub2-mkconfig -o /boot/grub2/grub.cfg' instead to update grub.cfg.
                GRUB configuration file was not updated.
                
        Unexpected error while running command.
        Command: ['unshare', '--fork', '--pid', '--', 'chroot', '/tmp/tmpndyymroj/target', 'grub2-mkconfig', '-o', '/boot/efi/EFI/rocky/grub.cfg']
        Exit code: 1
        Reason: -
        Stdout: ''
        Stderr: Running `grub2-mkconfig -o /boot/efi/EFI/rocky/grub.cfg' will overwrite the GRUB wrapper.
                Please run `grub2-mkconfig -o /boot/grub2/grub.cfg' instead to update grub.cfg.
                GRUB configuration file was not updated.
```

After investigation, it is found that grub2-tools-2.06 has been updated
recently from grub2-Tools-2.06-82.el9 to Grub2-Tools-2.06-92.el9, and
there is a patch that disables this operation

https://git.almalinux.org/rpms/grub2/commit/46e7ed602b5789406469d7dee2fcac09da484a81#diff-62df511bba4bac577412abf2c0c5322a46e1d77d

** Affects: curtin
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2089622

Title:
  grub2-tools-2.06-92.el9 forbidden overwrite the GRUB wrapper

Status in curtin:
  New

Bug description:
  
  Recently, when I was deploying almalinux 9 using maas, I came across images that I could deploy previously. The following error is reported:

  ```text
          finish: cmd-install/stage-curthooks/builtin/cmd-curthooks: FAIL: curtin command curthooks
          Traceback (most recent call last):
            File "/curtin/curtin/commands/main.py", line 202, in main
              ret = args.func(args)
                    ^^^^^^^^^^^^^^^
            File "/curtin/curtin/commands/curthooks.py", line 1918, in curthooks
              builtin_curthooks(cfg, target, state)
            File "/curtin/curtin/commands/curthooks.py", line 1883, in builtin_curthooks
              setup_grub(cfg, target, osfamily=osfamily,
            File "/curtin/curtin/commands/curthooks.py", line 821, in setup_grub
              install_grub(instdevs, target, uefi=uefi_bootable, grubcfg=grubcfg)
            File "/curtin/curtin/commands/install_grub.py", line 444, in install_grub
              in_chroot.subp(cmd, env=env, capture=True)
            File "/curtin/curtin/util.py", line 792, in subp
              return subp(*args, **kwargs)
                     ^^^^^^^^^^^^^^^^^^^^^
            File "/curtin/curtin/util.py", line 280, in subp
              return _subp(*args, **kwargs)
                     ^^^^^^^^^^^^^^^^^^^^^^
            File "/curtin/curtin/util.py", line 144, in _subp
              raise ProcessExecutionError(stdout=out, stderr=err,
          curtin.util.ProcessExecutionError: Unexpected error while running command.
          Command: ['unshare', '--fork', '--pid', '--', 'chroot', '/tmp/tmpndyymroj/target', 'grub2-mkconfig', '-o', '/boot/efi/EFI/rocky/grub.cfg']
          Exit code: 1
          Reason: -
          Stdout: ''
          Stderr: Running `grub2-mkconfig -o /boot/efi/EFI/rocky/grub.cfg' will overwrite the GRUB wrapper.
                  Please run `grub2-mkconfig -o /boot/grub2/grub.cfg' instead to update grub.cfg.
                  GRUB configuration file was not updated.
                  
          Unexpected error while running command.
          Command: ['unshare', '--fork', '--pid', '--', 'chroot', '/tmp/tmpndyymroj/target', 'grub2-mkconfig', '-o', '/boot/efi/EFI/rocky/grub.cfg']
          Exit code: 1
          Reason: -
          Stdout: ''
          Stderr: Running `grub2-mkconfig -o /boot/efi/EFI/rocky/grub.cfg' will overwrite the GRUB wrapper.
                  Please run `grub2-mkconfig -o /boot/grub2/grub.cfg' instead to update grub.cfg.
                  GRUB configuration file was not updated.
  ```

  After investigation, it is found that grub2-tools-2.06 has been
  updated recently from grub2-Tools-2.06-82.el9 to
  Grub2-Tools-2.06-92.el9, and there is a patch that disables this
  operation

  https://git.almalinux.org/rpms/grub2/commit/46e7ed602b5789406469d7dee2fcac09da484a81#diff-62df511bba4bac577412abf2c0c5322a46e1d77d

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