$ git clone -n https://gitee.com/src-anolis-os/rear.git /var/lib/mock/dist-an8-build-67733-37228/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/dist-an8-build-67733-37228/root/chroot_tmpdir/scmroot/rear'...
$ git reset --hard origin/a8
HEAD is now at 561b283 update to rear-2.6-3.el8