$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/mesa /var/lib/mock/dist-an8-build-7408-548/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an8-build-7408-548/root/chroot_tmpdir/scmroot/mesa'...
$ git reset --hard origin/a8
HEAD is now at 56b9041 build: add Requires for mesa-libEGL-devel