Just a quick answer, I haven't got time to drill too much into it now:

1) Use git svn clone or git svn init to configure the svn remote branch. 
You should not fiddle with the config file directly.

2) Yes Git-SVN is slow because it needs to fetch every revision. Other 
tools can make use of SVN-exports and stuff like that. Google around 
(svn2git is one I've heard about).

3) Git-SVN is especially slow on Windows (or used to be anyway), although 
waiting a day or two for cloning 100k revisions is normal, even on 
Linux/Mac. You could try to do the initial git-svn clone on a Linux/Mac, 
and then share this repository with others so they don't have to repeat the 
tedious initial clone. This is not trivial, and I've thoroughly explored 
the possibilities in this screen cast 
series<http://www.tfnico.com/presentations/git-and-subversion>
.

On Tuesday, May 28, 2013 10:28:15 AM UTC+2, Quark wrote:
>
> Orignally posted @ Git List <g...@vger.kernel.org <javascript:>>; no 
> response :(
>
> Hello list,
>
> I have been using git-svn in an corporate environment where svn repo has 
> lot of branches, (lot means 100). To avoid cloning all branches my config 
> looks as below
>
> [svn-remote "svn"]
>         url = svn+ssh://url
>         fetch = srcroot/trunk:refs/remotes/trunk
>         branches = srcroot/branches/{branch_1, branch_2,
> branch_3}:refs/remotes/*
>
> Now, when a new branch of my interest is added in svn repo, I had like it 
> to be in my git-repo as well. In an ideal world, one shall simply add that 
> branch name to list in curly braces above, but that does not work. I had 
> love to be proved wrong here. Somebody on stackoverflow.com suggested (to 
> else's question, not
> mine) to add one more "fetch" as show below.
>
> [svn-remote "svn"]
>         url = svn+ssh://url
>         fetch = srcroot/trunk:refs/remotes/trunk
>         fetch = srcroot/branch_4:refs/remotes/* # NEW BRANCH
>         branches = srcroot/branches/{branch_1, branch_2,
> branch_3}:refs/remotes/*
>
> Haven't tried it, neither do I like it.
>
> I do have a solution which WORKS, it is modified version of an example 
> from \doc\git\html\git-svn.html page. Below I have pasted the example and 
> modified it to reflect my specifics.
>
> # assume an existing git-svn repo
>         D:\sourcecode
> # Clone locally - make sure the refs/remotes/ space matches the server
>         mkdir project
>         cd project
>         git init
>         git remote add origin file:///D:/sourcecode # file:// is 
> delibrate, want
> true n/w behaviour
>         git config --replace-all remote.origin.fetch
> '+refs/remotes/*:refs/remotes/*'
>         git fetch
> # Prevent fetch/pull from local git repo,
> # we only want to use git svn for form here
>        git config --remove-section remote.origin
> # Create a local branch from one of the branches just fetched
>         git checkout -b master FETCH_HEAD
> # Initialize 'git svn' locally (be sure to use the same URL and -T/-b/-t
> options as were used on server)
>         git svn init http://svn.example.com/project
>
> # edit config to include newly added branch in curly braces
> # Pull the latest changes from Subversion
>         git svn fetch -r <recentish rev, say BEGIN:HEAD
>
> Above works exactly as I want, except the last step of "git-svn fetch" 
> connects to svn repo for each revision from BEGIN to HEAD. I want fairly 
> long history (for pretty blame). Which implies my BEGIN is not so recentish 
> after all. Hence, it takes awfully long to finish, 2 days typically.
>
> When GIT_TRACE is 1, below is output received
>
> trace: exec: 'git-svn' 'fetch'
> trace: run_command: 'git-svn' 'fetch'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.fetchall'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.parent'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.noauthcache'
> trace: built-in: git 'config' '--get' 'svn.revision'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.nocheckout'
> trace: built-in: git 'config' '--get' 'svn.authorsprog'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.followparent'
> trace: built-in: git 'config' '--get' 'svn.authorsfile'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.useSvmProps'
> trace: built-in: git 'config' '--get' 'svn.username'
> trace: built-in: git 'config' '--get' 'svn.repackflags'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.localtime'
> trace: built-in: git 'config' '--int' '--get'
> 'svn.repack'
> trace: built-in: git 'config' '--get' 'svn.ignorepaths'
> trace: built-in: git 'config' '--int' '--get'
> 'svn.logwindowsize'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.quiet'
> trace: built-in: git 'config' '--get' 'svn.ignorerefs'
> trace: built-in: git 'config' '--get' 'svn.configdir'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.addauthorfrom'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.useSvnsyncProps'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.noMetadata'
> trace: built-in: git 'config' '--bool' '--get'
> 'svn.uselogauthor'
> trace: built-in: git 'rev-parse' '--symbolic' '--all'
> trace: built-in: git 'config' '-l'
> trace: built-in: git 'config' '-l'
> trace: built-in: git 'config' '--bool' 'svn.useSvmProps'
> trace: built-in: git 'config' '-l'
> trace: built-in: git 'config' 'svn-remote.svn.branches-maxRev'
> '524908'
> trace: built-in: git 'rev-list' '--pretty=raw'
> '--reverse'
> '9f1414be94ab007b62ace31bf4d210a069276127..refs/remotes/branch_1'
> '--'
> trace: built-in: git 'rev-list' '--pretty=raw'
> '--reverse'
> '5eb0a454bcf066a8199b851add9ec07cde80119d..refs/remotes/branch_2'
> '--'
> trace: built-in: git 'rev-list' '--pretty=raw'
> '--reverse'
> '383b68b8514010a71efe10821e5ccc3541903ceb..refs/remotes/branch_3'
> '--'
> trace: built-in: git 'rev-list' '--pretty=raw'
> '--reverse'
> '89fe1a1d2cfca0886003f043c408fb5afadfec93..refs/remotes/trunk'
> '--'
>
> I keep an watch for "svn-remote.svn.branches-maxRev", this serves as
> my progress. This wait is too much for a simple branch. Though, I must 
> point
> out, day feels fresh once it finishes :) Does any one know any for this?
>
> If you paid attention this is Windows machine
> git version 1.8.1.msysgit.1
>
> thanks,
> Quark
>

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