[BUG] bzr locks itself when pushing from branch to a checkout in the same shared repo
aaron.bentley at utoronto.ca
Wed Feb 7 02:36:00 GMT 2007
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Robert Collins wrote:
> So the basic condition is
> 'bzr does not know in method A about a branch open from method B'.
> But in fact, its entirely appropriate that bzr know that the master
> branch is in the same repository as the local branch, because we dont
> want to try to push the revisions twice - only once.
My bug was not with heavyweight checkouts, it was with branches.
> So why cant we just check for that - that branch.repository ==
> master_branch.repository ?
Well, we don't really have a concept of equality (or identity) for
repositories-- the closest we have is 'same location', but that doesn't
address aliasing issues.
Where possible, I think the best solution is to take all write locks
before taking any read locks. But perhaps we should be taking a closer
look at notions like lock tokens.
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