$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libXvMC /var/lib/mock/dist-el8-build-5363-34/root/chroot_tmpdir/scmroot/libXvMC
Cloning into '/var/lib/mock/dist-el8-build-5363-34/root/chroot_tmpdir/scmroot/libXvMC'...
$ git reset --hard origin/a8
HEAD is now at 9d8a84a import libXvMC-1.0.10-7.el8.src.rpm