$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libXmu /var/lib/mock/dist-el8-build-4417-34/root/chroot_tmpdir/scmroot/libXmu
Cloning into '/var/lib/mock/dist-el8-build-4417-34/root/chroot_tmpdir/scmroot/libXmu'...
$ git reset --hard origin/a8
HEAD is now at 2332230 import libXmu-1.1.2-12.el8.src.rpm