For your consideration PATCH to sync-all script to support bare repos

[Simon Marlow]

On 01/07/2011 07:40, George Roldugin wrote:
> Hi everyone,
>
> Attached is a patch which adds support for --bare flag to the sync-all
> script. Here's how one could use it (assuming the patch is merged in):
>
> $ wget https://raw.github.com/ghc/ghc/master/sync-all
> $ wget https://raw.github.com/ghc/ghc/master/packages -O packages.conf
> $ chmod +x sync-all
> $ ./sync-all --bare -r http://darcs.haskell.org/ get
>
> This would use the same layout as the remote repo, i.e.:
> $ find . -name "*.git"
> ./ghc-tarballs.git
> ./ghc.git
> ./haddock.git
> ./hsc2hs.git
> ./packages/array.git
> ./packages/base.git
> ./packages/binary.git
> ...

Interesting, as I've just been doing something similar here.  I have a 
local mirror of the GHC repositories, and until recently it was just a 
plain clone.  The problem with that was that I only get the master 
branch when pulling from the mirror.  So I discovered the --mirror 
option which does the right thing with branches, but requires a bare 
repo, which doesn't work well with sync-all as you noticed.

My temporary solution is to use a script to pull into the mirror repo tree.

> Note that it requires the packages file to operate. However, I renamed
> it to packages.conf since it would clash with the packages directory
> otherwise. The script would continue working with both packages and
> packages.conf, no change to the main repo is required.
>
> To create a true mirror one could do the following:
> $ ./sync-all --bare --nofib --dph --extra --testsuite -r
> http://darcs.haskell.org/ get
> $ ./sync-all config remote.origin.fetch '+refs/heads/*:refs/heads/*'
>
> Now `sync-all fetch` will correctly update the mirror.

Ok, so this is instead of using --mirror.  Perhaps sync-all should just 
support --mirror as well as --bare?

I'll pull in your patch as-is, and if you want to send a follow up to 
also support --mirror that would be great.

Cheers,
	Simon



> Both the sync-all script and the package.conf file have to be updated
> manually.
>
> I tried very hard to keep the old functionality intact. Let me know if
> you run into any problems.
>
> Regards,
> George
>
>
>
>
>
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