problem for 0.6c

James Bulpin James.Bulpin at
Tue Aug 23 08:40:07 CDT 2005

Matt - many thanks, this appears to have done the trick. I've performed 
the mv on all our hosted repositories and all seems well.



Matt Mackall wrote:
> [please forward this on to the Xen list so folks know what's up.]
> On Mon, Aug 22, 2005 at 04:55:36PM +0100, James Bulpin wrote:
>>I'm responsible for the Xen repository server 
>>Xiaofeng Ling mentions in the post. We upgraded the server to 0.6c 
>>yesterday. A number of people have reported problems with cloning using 
>>0.6b and 0.6c clients (0.5b seems to work fine). Trying it myself I see 
>>the same error as the poster using either 0.6b or 0.6c as the client. 
>>For now I've backed off the server to 0.6b.
>>Additionally I now see errors with hg verify that I've not seen before; 
>>0.6b does not show them, 0.6c does. This is the case for the current 
>>repo and for historical filesystem level snapshots going back to the end 
>>of June when we first converted to mercurial.
>>Are these two issues linked? I'm wondering is some historical problem in 
>>our repository is triggering the clone failure.
> Sorry about this, I overlooked this when I was writing the release
> notes. It's been in tip for a couple weeks:
> What's happening is:
>>node 560d1497c659914905e046bade1c570e9b477396 in manifests not in 
> This filename contains a directory ending with .d. If we were to add a
> file called tools/examples/init to the repo, it would be stored as
> .hg/tools/examples/init.[di] and collide with your directory.
> To avoid this problem, we're now escaping such directory names by
> adding .hg. So the above becomes tools/examples/init.d.hg/xend.
> Unfortunately Mercurial doesn't automatically fix up stuff in the old
> style - I naively expected that no one would yet have such directories,
> ignoring the fairly common practice of naming directories of config
> exploded config files that way. 
> But dealing with it is pretty easy, you just need to rename the
> problematic directories. Something like this should do the trick:
>  find .hg -type d -name "*.[di]" -exec echo mv {} {}.hg ";"
> Run this at the top of your working dir. Take out the 'echo' once
> you've confirmed it's finding the right files.
> Also note that 0.6c and 0.6b clients should be perfectly compatible
> over the wire, so long as each side has the appropriate directory
> naming.
> But if you use 0.6c to pull into a repo created by 0.6b with changes
> that touch files in an affected directory, you're likely to have
> strange behavior.

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