$ git clone -n https://src.fedoraproject.org/rpms/mingw-vulkan-validation-layers.git /var/lib/mock/f42-build-3280150-41340/root/chroot_tmpdir/scmroot/mingw-vulkan-validation-layers
Cloning into '/var/lib/mock/f42-build-3280150-41340/root/chroot_tmpdir/scmroot/mingw-vulkan-validation-layers'...
$ git fetch origin 808337411aad56b059c9c85a897bf012cc7ae4ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-vulkan-validation-layers
 * [new ref]         808337411aad56b059c9c85a897bf012cc7ae4ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8083374 Update to 1.4.304.1