$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/vulkan-loader /var/lib/mock/dist-el8-build-5552-34/root/chroot_tmpdir/scmroot/vulkan-loader
Cloning into '/var/lib/mock/dist-el8-build-5552-34/root/chroot_tmpdir/scmroot/vulkan-loader'...
$ git reset --hard origin/a8
HEAD is now at 92c0fa5 import vulkan-loader-1.2.131.1-1.el8.src.rpm