$ git clone -n https://src.fedoraproject.org/rpms/vulkan-loader.git /var/lib/mock/f41-build-810482-146720/root/chroot_tmpdir/scmroot/vulkan-loader
Cloning into '/var/lib/mock/f41-build-810482-146720/root/chroot_tmpdir/scmroot/vulkan-loader'...
$ git fetch origin 6157dd80cb05f59e5921437f110045e6b615ad1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-loader
 * [new ref]         6157dd80cb05f59e5921437f110045e6b615ad1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6157dd8 Update to 1.3.283.0 SDK