У кого-нибудь работает?  Делаю как в git-svn(1):

$ git-svn init http://svn.freepascal.org/svn/fpc/branches/fixes_2_0/utils/fpcm
Use of uninitialized value in scalar assignment at /usr/bin/git-svn line 15.
Use of uninitialized value in -d at /usr/bin/git-svn line 2240.
Use of uninitialized value in concatenation (.) or string at /usr/bin/git-svn line 2230.
Use of uninitialized value in -d at /usr/bin/git-svn line 278.
No such file or directory
256 at /usr/bin/git-svn line 1756
        main::sys('git-init-db') called at /usr/bin/git-svn line 282
        main::init('http://svn.freepascal.org/svn/fpc/branches/fixes_2_0/utils/fpcm') called at /usr/bin/git-svn line 149
$

Ой.

$ mkdir .git
$ git-svn init http://svn.freepascal.org/svn/fpc/branches/fixes_2_0/utils/fpcm
$ git-svn fetch
fatal: Not a git repository: '/home/at/fpcmake/.git'
        A       branches/fixes_2_0/utils/fpcm/fpcmake.inc
fatal: Not a git repository: '/home/at/fpcmake/.git'
not a sha1:
32768 at /usr/bin/git-svn line 422
        main::fetch_lib() called at /usr/bin/git-svn line 290
        main::fetch() called at /usr/bin/git-svn line 149
$

Ой.