$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libdb /var/lib/mock/dist-el8-build-5983-52/root/chroot_tmpdir/scmroot/libdb
Cloning into '/var/lib/mock/dist-el8-build-5983-52/root/chroot_tmpdir/scmroot/libdb'...
$ git reset --hard origin/a8
HEAD is now at 2cd58c8 import libdb-5.3.28-37.el8.src.rpm