$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/vulkan-headers /var/lib/mock/dist-el8-build-5551-34/root/chroot_tmpdir/scmroot/vulkan-headers
Cloning into '/var/lib/mock/dist-el8-build-5551-34/root/chroot_tmpdir/scmroot/vulkan-headers'...
$ git reset --hard origin/a8
HEAD is now at 3c7db6e import vulkan-headers-1.2.131.1-1.el8.src.rpm