ben@earwig:~/test $ git init fooInitialized empty Git repository in /Users/ben/test/foo/.git/ben@earwig:~/test $ cd fooben@earwig:~/test/foo [master] $ echo "test" > test && git add test && git commit -m "test"[master (root-commit) 269c498] test 1 file changed, 1 insertion(+) create mode 100644 testben@earwig:~/test/foo [master] $ cd ..ben@earwig:~/test $ git clone --bare foo barCloning into bare repository 'bar'...done.

ben@earwig:~/test $ cd barben@earwig:~/test/bar [BARE:master] $ cat config[core]    repositoryformatversion = 0    filemode = true    bare = true    ignorecase = true    precomposeunicode = true[remote "origin"]    url = /Users/ben/test/fooben@earwig:~/test/bar [BARE:master] $ git fetch originFrom /Users/ben/test/foo * branch            HEAD       -> FETCH_HEAD

ben@earwig:~/test/bar [BARE:master] $ pythonPython 2.7.10 (default, May 29 2015, 21:05:23)[GCC 4.2.1 Compatible Apple LLVM 6.1.0 (clang-602.0.53)] on darwinType "help", "copyright", "credits" or "license" for more information.>>> import git>>> git.Repo().remotes.origin.fetch()Traceback (most recent call last):  File "<stdin>", line 1, in <module>  File "/usr/local/lib/python2.7/site-packages/git/remote.py", line 651, in fetch    res = self._get_fetch_info_from_stderr(proc, progress or RemoteProgress())  File "/usr/local/lib/python2.7/site-packages/git/remote.py", line 588, in _get_fetch_info_from_stderr    for err_line, fetch_line in zip(fetch_info_lines, fetch_head_info))  File "/usr/local/lib/python2.7/site-packages/git/remote.py", line 588, in <genexpr>    for err_line, fetch_line in zip(fetch_info_lines, fetch_head_info))  File "/usr/local/lib/python2.7/site-packages/git/remote.py", line 249, in _from_line    raise ValueError("Failed to parse FETCH_HEAD line: %r" % fetch_line)ValueError: Failed to parse FETCH_HEAD line: u'269c498e56feb93e408ed4558c8138d750de8893\t\t/Users/ben/test/foo\n'>>>

ben@earwig:~/test/bar [BARE:master] $ git config --add remote.origin.fetch +refs/heads/*:refs/heads/*ben@earwig:~/test/bar [BARE:master] $ pythonPython 2.7.10 (default, May 29 2015, 21:05:23)[GCC 4.2.1 Compatible Apple LLVM 6.1.0 (clang-602.0.53)] on darwinType "help", "copyright", "credits" or "license" for more information.>>> import git>>> git.Repo().remotes.origin.fetch()[<git.remote.FetchInfo object at 0x11094a0a8>]>>>