Re: Git svn migration does not work because fatal git checkout updating paths is incompatible with switching branches

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On Wed, 2012-01-25 at 19:04 +0100, Christine Bauers wrote:
> Hi there,
> 
> I´m trying to migrate a repository from svn to git which branches and 
> tags with the following migration script:
> 
> git svn clone --no-metadata --stdlayout --A ../users.txt 
> svn://host/svn/project/subproject subproject
> 
> cd subproject
> git config svn.authorsfile ../../users.txt
> git svn fetch
> 
> git checkout -b branch1 remotes/branch1
> git checkout -b branch2 remotes/branch2
> git checkout -b branch3 remotes/branch3
> 
> git checkout -b src_v1 remotes/tags/src
> git checkout master
> git tag src src_v1
> git branch -D src_v1
> 
> git checkout -b WebContent_v1 remotes/tags/WebContent
> git checkout master
> git tag WebContent WebContent_v1
> git branch -D WebContent_v1
> 
> and get the follwoing errors:
> 
> W: Ignoring error from SVN, path probably does not exist: (160013): 
> Filesystem has no item: Datei nicht gefunden: Revision 8966, Pfad 
> »subproject«
> W: Do not be alarmed at the above message git-svn is just searching 
> aggressively for old history.
> This may take a while on large repositories
> fatal: git checkout: updating paths is incompatible with switching branches.
> Did you intend to checkout 'remotes/branch1' which can not be resolved 
> as commit?
> fatal: git checkout: updating paths is incompatible with switching branches.
> Did you intend to checkout 'remotes/branch2 which can not be resolved as 
> commit?
> fatal: git checkout: updating paths is incompatible with switching branches.
> Did you intend to checkout 'remotes/branch3' which can not be resolved 
> as commit?
> fatal: git checkout: updating paths is incompatible with switching branches.
> Did you intend to checkout 'remotes/tags/src' which can not be resolved 
> as commit?
> error: pathspec 'master' did not match any file(s) known to git.
> fatal: Failed to resolve 'src_v1' as a valid ref.
> error: branch 'src_v1' not found.
> fatal: git checkout: updating paths is incompatible with switching branches.
> Did you intend to checkout 'remotes/tags/WebContent' which can not be 
> resolved as commit?
> error: pathspec 'master' did not match any file(s) known to git.
> fatal: Failed to resolve 'WebContent_v1' as a valid ref.
> error: branch 'WebContent_v1' not found.
> 
> How do I solve this problem?

First try to figure out where the problem happens. It could be that
git-svn isn't recognising the branches properly, or that the layout
isn't what it expects or any number of things.

What layout does the repo have? Does it correspond to what git-svn is
expecting? All those error messages come from the fact that you're
telling git some starting points that it can't find. Make sure those
exist and they have the name you're giving. What does `git branch -a`
say? You're presumably not giving us the real names, so we can't tell if
there are problems there.

If you're looking to migrate completely, something like
svn-dump-fast-export ( https://github.com/barrbrain/svn-dump-fast-export
) might get you there better.

   cmn


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