$ git clone -n https://src.fedoraproject.org/rpms/vulkan-tools.git /var/lib/mock/f41-build-858180-168322/root/chroot_tmpdir/scmroot/vulkan-tools
Cloning into '/var/lib/mock/f41-build-858180-168322/root/chroot_tmpdir/scmroot/vulkan-tools'...
$ git fetch origin 45a5e93da0a2716b6baca93665908405422f9f35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-tools
 * [new ref]         45a5e93da0a2716b6baca93665908405422f9f35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45a5e93 Update to 1.3.296.0 SDK