$ git clone -n http://8.131.229.236/anolis-os/metis /var/lib/mock/dist-el8-build-8540-1290/root/chroot_tmpdir/scmroot/metis
Cloning into '/var/lib/mock/dist-el8-build-8540-1290/root/chroot_tmpdir/scmroot/metis'...
$ git reset --hard origin/a8
HEAD is now at 2093ba1 import metis-5.1.0-17.el8.src.rpm