Re: [gentoo-user] Re: Will installing grub-2.02 break my grub-0.97 setup?

[Mike Gilbert]

On Fri, May 6, 2016 at 9:58 AM, Mike Gilbert <floppym@g.o> wrote:
> On Fri, May 6, 2016 at 9:40 AM, Grant Edwards <grant.b.edwards@×××××.com> wrote:
>> On 2016-05-06, Mike Gilbert <floppym@g.o> wrote:
>>> On Fri, May 6, 2016 at 5:04 AM, Peter Humphrey <peter@××××××××××××.uk> wrote:
>>>> On Thursday 05 May 2016 19:45:53 Mike Gilbert wrote:
>>>>> On Thu, May 5, 2016 at 6:03 PM, Grant Edwards <grant.b.edwards@×××××.com> wrote:
>> [...]
>>>>>> Since grub-2.02 is being installed in a new slot, one would assume it
>>>>>> won't interfere with continue use of grub-0.97...
>> [...]
>>>>> It will not interfere with grub legacy (0.97).
>>>>
>>>> Maybe not in the slot, but when it gets installed to the MBR it will
>>>> overwrite the 0.97 boot code there.
>>>
>>> grub only gets installed in the MBR when you invoke grub-install or
>>> grub2-install.
>>>
>>> I assumed that Grant is intelligent not to run grub2-install on his
>>> system.
>>
>> Yes, I know not to run grub2-install (and I trust that winusb will not
>> do so either).  Just to be sure, I'll not run winusb as root...
>
> It is entirely possible that winusb might call grub2-install with your
> USB disk as a target. That would also be fairly safe.

And in fact, it does exactly that:

# Grub
echo "Installing grub..."
grub2-install --root-directory="$partitionMountPath" "$device"