$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/snapper.git /var/lib/mock/dist-an7-build-30342-15492/root/chroot_tmpdir/scmroot/snapper
Cloning into '/var/lib/mock/dist-an7-build-30342-15492/root/chroot_tmpdir/scmroot/snapper'...
$ git reset --hard origin/a7
HEAD is now at f1ff011 import snapper-0.2.8-4.el7.src.rpm