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

From
David Barr <davidbarr@google.com>
Date
Jan 27, 2012, 04:34 UTC
Message-ID
<CAFfmPPPCuGmgomqjPj_5NogPpiq+tfGSe8mjtqwc_nkWq6Ea0Q@mail.gmail.com>
In-Reply-To
<1327518563.31804.82.camel@centaur.lab.cmartin.tk>
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@elego.de> wrote:
Show 75 quoted lines
> 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
Previous: Christine Bauers
Message 4 of 4 in “Git svn migration does not work because fatal git checkout updating paths is incompatible with switching branches”
  1. Christine BauersJan 25, 2012
  2. Carlos Martín NietoJan 25, 2012
  3. Christine BauersJan 26, 2012
  4. David BarrJan 27, 2012

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