$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/qt5-qt3d /var/lib/mock/dist-el8-build-6531-128/root/chroot_tmpdir/scmroot/qt5-qt3d
Cloning into '/var/lib/mock/dist-el8-build-6531-128/root/chroot_tmpdir/scmroot/qt5-qt3d'...
$ git reset --hard origin/a8
HEAD is now at fd6196f import qt5-qt3d-5.12.5-2.el8.src.rpm