Как правильно использовать git-svn с сабвершоном с экстернал-говном?

‰ ~/.local/bin/gsc https://all-it.ru/svnrepo/pranay/firmware/phiXos-full
svn: E205000: Try 'svn help' for more info
svn: E205000: Syntax error parsing peg revision '67 phiXOS'
Traceback (most recent call last):
File "/home/l29ah/.local/bin/gsc", line 9, in <module>
load_entry_point('gsc==0.1', 'console_scripts', 'gsc')()
File "/home/l29ah/.local/lib64/python2.7/site-packages/gsc-0.1-py2.7.egg/gsc/cmd.py", line 138, in clone
std_layout=opts.std_layout, latest=opts.latest)
File "/home/l29ah/.local/lib64/python2.7/site-packages/gsc-0.1-py2.7.egg/gsc/cmd.py", line 118, in checkout_svn
checkout_svn(svn_path, file_path, latest=True)
File "/home/l29ah/.local/lib64/python2.7/site-packages/gsc-0.1-py2.7.egg/gsc/cmd.py", line 110, in checkout_svn
git_repo.svn('fetch', fetch_args)
File "/home/l29ah/.local/lib64/python2.7/site-packages/GitPython-0.3.2.RC1-py2.7.egg/git/cmd.py", line 227, in <lambda>
return lambda *args, **kwargs: self._call_process(name, *args, **kwargs)
File "/home/l29ah/.local/lib64/python2.7/site-packages/GitPython-0.3.2.RC1-py2.7.egg/git/cmd.py", line 456, in _call_process
return self.execute(call, *_kwargs)
File "/home/l29ah/.local/lib64/python2.7/site-packages/GitPython-0.3.2.RC1-py2.7.egg/git/cmd.py", line 377, in execute
raise GitCommandError(command, status, stderr_value)
git.exc.GitCommandError: 'git svn fetch' returned exit status 1: Bad URL passed to RA layer: Unrecognized URL scheme for '67 https://all-it.ru/svnrepo/pranay/firmware/phios/trunk@67%20phiXOS' at /usr/lib64/perl5/vendor_perl/5.16.3/Git/SVN.pm line 148.