$ git clone -n http://8.131.229.236/anolis-os/mutter /var/lib/mock/dist-el8-updates-build-16546-2666/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-el8-updates-build-16546-2666/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard origin/a8
HEAD is now at d6f2fda update to mutter-3.32.2-36.el8_2