$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/mesa-libGLw /var/lib/mock/dist-el8-build-5329-34/root/chroot_tmpdir/scmroot/mesa-libGLw
Cloning into '/var/lib/mock/dist-el8-build-5329-34/root/chroot_tmpdir/scmroot/mesa-libGLw'...
$ git reset --hard origin/a8
HEAD is now at ed95249 import mesa-libGLw-8.0.0-18.el8.src.rpm