You should be able to just push to it.

Something like

hg clone http://repo.gem5.org/gem5
cd gem5
hg update -r <rev that is good/stable/whatever>
hg push ssh://[email protected]/gem5-stable

Ali


On May 23, 2013, at 10:49 PM, Nilay Vaish <[email protected]> wrote:

> What do we need to do to update the repository?
> 
> On Thu, 23 May 2013, Ali Saidi wrote:
> 
>> I
>> On May 16, 2013, at 4:24 AM, Andreas Sandberg <[email protected]> wrote:
>> 
>>> On 05/15/2013 08:36 PM, Nilay Vaish wrote:
>>>> I think we should either remove the repo gem5-stable or put in place some 
>>>> policy regarding gem5-stable. As of now, there is nothing stable about it. 
>>>> If we want to keep it, I suggest that we do the following:
>>> 
>>> I definitely agree with you, the stable repository needs to go. The stable 
>>> version is probably way more buggy than the other version and it is a 
>>> constant source of confusion for new users.
>>> 
>>> I really can't see the point of a completely separate repository. All other 
>>> software projects I have worked on usually just have a stable branch for 
>>> each major version and tags for each minor release. If I remember 
>>> correctly, the Linux kernel has a working repository (kind of like our 
>>> working repo) and each major release gets its own branch (e.g., 
>>> linux-3.9.y), individual releases are tags (e.g., v3.9.1). Linux actually 
>>> has a separate repo where stable releases are maintained, but I think that 
>>> is just a way of reflecting the fact that there are different maintainers 
>>> of the stable repository.
>> 
>> I also agree, but just as a warning, if you search the email achieves you'll 
>> find that we've come up with plans before. The issue has been sticking with 
>> them. I think even updating the stable repository every 3-4 months from the 
>> mainline would be reasonable, but it being over a year old isn't great.
>> 
>>> 
>>>> a. update gem5-stable to gem5 every four months or so. Before updating, 
>>>> there would be a lean period of say 2-3 weeks when only bug-fixes would be 
>>>> committed to gem5. At the end of the period, gem5-stable would be updated 
>>>> to gem5. I propose updating gem5-stable on February 15th, June 15th and 
>>>> October 15th every year. We can have lean periods starting from 1st 
>>>> February, 1st June and 1st October.
>>>> 
>> I'm quite happy with this approach.
>> 
>> 
>>>> b. all patches that are committed to gem5 should be evaluated by 
>>>> developers as to whether they are bug fixes or not. If they are, and the 
>>>> bug is also present in gem5-stable, then those patches should also be 
>>>> committed to gem5-stable. I expect the extra work, in most cases, would be 
>>>> limited to applying the patch to gem5-stable and running the regression 
>>>> tests.
>>> 
>>> I think we need a hybrid approach, let's call it c). Similar to a), we 
>>> could create a new stable branch (e.g., gem5-2013q1.x) 4 times or 2 times a 
>>> year. The only changes allowed to such a branch should be bug fixes 
>>> (preferably fixes that don't affect statistics). The branch is allowed to 
>>> cool for say 2 weeks before it is tagged for release (v2013q1.0). Once 
>>> enough bug fixes have accumulated, we just create a new release tag on the 
>>> branch. Merging bug fixes shouldn't be too hard since it would just be a 
>>> matter of cherry-picking changesets from the master branch.
>>> 
>>> Unlike approach b), this approach wouldn't run the risk of diverging too 
>>> much from mainline, while at the same time providing stable releases at 
>>> regular intervals.
>> I'm ok with this except that it's quite a it's more work, and we haven't 
>> even managed to just update the stable repository consistantly over the 
>> years.
>> 
>> 
>>> We might want to take this opportunity to migrate our repositories to GIT. 
>>> In general, most people are more experienced at using GIT than Mercurial. 
>>> There are roughly 10x more GIT repos than HG repos [1], so it's probably 
>>> safe to assume that there is roughly 10x as many developers who know GIT. 
>>> We already have several internal GIT clones of gem5 in the group and I have 
>>> seen at least one other online (a port to Warped). Besides, it seems like 
>>> most tools have better support for Git (e.g., Jenkins has almost as many 
>>> new Git installations per months as there are Mercurial installations in 
>>> total).
>> 
>> our fencing about git continues :)
>> 
>> Ali
>> 
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