$ git clone -n https://gitee.com/gaohongmei/tar.git /var/lib/mock/dist-an23-build-171213-58935/root/chroot_tmpdir/scmroot/tar
Cloning into '/var/lib/mock/dist-an23-build-171213-58935/root/chroot_tmpdir/scmroot/tar'...
$ git reset --hard 03bca39580d70ce52a7bbad15afec5910e7cff7c
HEAD is now at 03bca39 spec: rebuild