$ git clone -n https://gitee.com/zhuzhustu/python-backrefs.git /var/lib/mock/dist-an23-build-570880-92678/root/chroot_tmpdir/scmroot/python-backrefs
Cloning into '/var/lib/mock/dist-an23-build-570880-92678/root/chroot_tmpdir/scmroot/python-backrefs'...
$ git reset --hard bfbd95dd1d8e840f235f3930f7cef6906b084f90
HEAD is now at bfbd95d update python-backrefs.spec.