$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mtools.git /var/lib/mock/dist-an7-build-29250-15367/root/chroot_tmpdir/scmroot/mtools
Cloning into '/var/lib/mock/dist-an7-build-29250-15367/root/chroot_tmpdir/scmroot/mtools'...
$ git reset --hard origin/a7
HEAD is now at 9dcafcc import mtools-4.0.18-5.el7.src.rpm