$ git clone -n http://git.inferitos.ru/rpms/epel-rpm-macros /var/lib/mock/inferit-9_3-extras-build-34542-68603/root/chroot_tmpdir/scmroot/epel-rpm-macros
Cloning into '/var/lib/mock/inferit-9_3-extras-build-34542-68603/root/chroot_tmpdir/scmroot/epel-rpm-macros'...
$ git fetch origin c:KOJI_FETCH_HEAD
fatal: couldn't find remote ref c
$ git reset --hard c
fatal: ambiguous argument 'c': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'