$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/mesa-libGLU /var/lib/mock/dist-el8-build-6947-253/root/chroot_tmpdir/scmroot/mesa-libGLU
Cloning into '/var/lib/mock/dist-el8-build-6947-253/root/chroot_tmpdir/scmroot/mesa-libGLU'...
$ git reset --hard origin/a8
HEAD is now at fd029ab import mesa-libGLU-9.0.0-15.el8.src.rpm