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

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Hi,

A lot of work has occurred on the version of svn-fe within the git tree.
Jonathan Nieder is the nominal maintainer of that effort.
He has just requested that the most stable set of changes be merged.

--
David Barr

>From Jonathan's pull request:

Junio, please pull

 git://repo.or.cz/git/jrn.git svn-fe

to get the following changes since commit
ec014eac0e9e6f30cbbca616090fa2ecf74797e7:

 Git 1.7.5 (2011-04-23 23:36:32 -0700)

up to c5bcbcdcfa1e2a1977497cb3a342c0365c8d78d6:

 vcs-svn: reset first_commit_done in fast_export_init (2011-06-23
10:04:36 -0500)

On Thu, Jan 26, 2012 at 6:09 AM, Carlos Martín Nieto <cmn@xxxxxxxx> wrote:
> 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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