$ git clone -n http://8.131.229.236/anolis-os/dbus-c++ /var/lib/mock/dist-el8-build-8447-1274/root/chroot_tmpdir/scmroot/dbus-c++
Cloning into '/var/lib/mock/dist-el8-build-8447-1274/root/chroot_tmpdir/scmroot/dbus-c++'...
$ git reset --hard origin/a8
HEAD is now at 6b34ff5 import dbus-c++-0.9.0-17.el8.src.rpm