$ git clone -n https://gitee.com/gcdota930915/unbound.git /var/lib/mock/dist-an8_8-el9-build-166767-58807/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an8_8-el9-build-166767-58807/root/chroot_tmpdir/scmroot/unbound'...
$ git reset --hard origin/a8
HEAD is now at a8d1b80 update to unbound-1.13.1-13.el9_0.src.rpm