bug? find_branches or find_bzrdir tries to open all files as bzr locations

[Alexander Belchenko]

Alexander Belchenko пишет:
> OK, I was wrong in my assumption that bzr tries to open location many 
> times.
> 
> But I've hacked a small plugin to check whether I can have faster 
> find_branches if I will try to open only directories as branches.
> The code available at lp:~bialix/+junk/bzr-find-branches
> 
> I understand that my code could do something wrong, but as I can see my 
> custom find_branches provide the same output as BzrDir.find_branches().
> There is one shortcut though: I check only directories, skip symlinks, 
> but I don't have symlinks on my Windows anyway.
> 
> Here are some numbers for 2 cases.
> 
> 1) My job hive of branches.
> As of today we have 792 branches on our server. I've made copy of the 
> entire hive on my local machine and then run various find_branches 
> implementations.

all those branches are treeless, btw.