$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libtdb /var/lib/mock/dist-el8-build-1122-27/root/chroot_tmpdir/scmroot/libtdb
Cloning into '/var/lib/mock/dist-el8-build-1122-27/root/chroot_tmpdir/scmroot/libtdb'...
$ git reset --hard origin/a8
HEAD is now at 2ee86e4 import libtdb-1.4.2-2.el8.src.rpm