F18 DNF and history

[Michał Piotrowski]

2012/6/20 Nikola Pajkovsky <npajkovs at redhat.com>:
> Angus Salkeld <asalkeld at redhat.com> writes:
>
>> On 19/06/12 10:51 -0700, Adam Williamson wrote:
>>>On Tue, 2012-06-19 at 15:33 +0200, Ales Kozumplik wrote:
>>>> On 06/19/2012 02:44 PM, Michał Piotrowski wrote:
>>>> > Hi,
>>>> >
>>>> > I have a question about DNF https://fedoraproject.org/wiki/Features/DNF
>>>> >
>>>> > Are there any plans to replace yum with dnf in the future?
>>>> >
>>>> > According to what is written here
>>>> > https://github.com/akozumpl/dnf/wiki/Features-Considered-for-Dropping
>>>> > history function will likely be dropped.
>>>> >
>>>> >  From my POV history feature is very useful. Is there a plan to provide
>>>> > history function in Fedora dnf if yum gets dropped?
>>>> >
>>>>
>>>> Hi Michal,
>>>>
>>>> Thanks for pointing this out. I considered history a candidate for
>>>> dropping because I didn't realize people had usecases for it. It is not
>>>> present in the early versions of DNF but I will make sure to put it back
>>>> in later.
>>>
>>>Just to add my voice to the choir, I use it extensively and I suspect
>>>many others in QA group too. It's extremely useful when trying to
>>>determine exactly what update caused a given problem.
>>
>> Maybe a "yum history bisect" would be a neat feature?
>
> nice one, sir
>

Indeed.

But this should be done on a RPM database copy - bisection should not
leave any traces in the history.

May be something like yum and git merge?

# yum upgrade
[...]
# yum tag -a my_latest_stable_system
# yum upgrade --enablerepo=updates-testing
[..]

something went wrong?

# yum checkout my_latest_stable_system
or
# yum bisect start



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> Nikola
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-- 
Best regards,
Michal

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