Re: [PATCH v2] git-svn: make rebuild respect rewriteRoot option

> Suppose someone fetches git-svn-ified commits from another repo and then
> attempts to use 'git-svn init --rewrite-root=foo bar'. Using git svn rebase
> after that will fail badly:
> 
>  * For each commit tried by working_head_info, rebuild is called indirectly.
>  * rebuild will iterate over all commits and skip all of them because the
>    URL does not match. Because of that no rev_map file is generated at all.
>  * Thus, rebuild will run once for every commit. This takes ages.
>  * In the end there still isn't any rev_map file and thus working_head_info
>    fails.