$ git clone -n https://src.fedoraproject.org/rpms/vulkan-tools.git /var/lib/mock/f42-build-side-1-3539443-46565/root/chroot_tmpdir/scmroot/vulkan-tools
Cloning into '/var/lib/mock/f42-build-side-1-3539443-46565/root/chroot_tmpdir/scmroot/vulkan-tools'...
$ git fetch origin 547e62f14a3b54d3afa7ff38756453b8f34783fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-tools
 * [new ref]         547e62f14a3b54d3afa7ff38756453b8f34783fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 547e62f Update to SDK version v1.4.313.0