$ git clone -n https://src.fedoraproject.org/rpms/vulkan-loader.git /var/lib/mock/f41-build-790833-13610/root/chroot_tmpdir/scmroot/vulkan-loader
Cloning into '/var/lib/mock/f41-build-790833-13610/root/chroot_tmpdir/scmroot/vulkan-loader'...
$ git fetch origin da27d2fb713c1ad510e4aa1dc343ba2a0739361b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-loader
 * [new ref]         da27d2fb713c1ad510e4aa1dc343ba2a0739361b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da27d2f Own %{_libdir}/cmake/VulkanLoader/