problem for 0.6c
James Bulpin
James.Bulpin at cl.cam.ac.uk
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.
Regards,
James
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 xenbits.xensource.com 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:
>
> http://www.selenic.com/hg/?cmd=changeset;node=fbe964ae7325d1a0ee2d35682f33337b17eeec32
>
> What's happening is:
>
>
>>node 560d1497c659914905e046bade1c570e9b477396 in manifests not in
>>tools/examples/init.d/xend
>
>
> 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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