$ git clone -n https://src.fedoraproject.org/rpms/vulkan-tools.git /var/lib/mock/f45-build-38209-722/root/chroot_tmpdir/scmroot/vulkan-tools
Cloning into '/var/lib/mock/f45-build-38209-722/root/chroot_tmpdir/scmroot/vulkan-tools'...
$ git fetch origin e0cdf70380c4ef43d83d921b7336f2e27b8c7b1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vulkan-tools
 * [new ref]         e0cdf70380c4ef43d83d921b7336f2e27b8c7b1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0cdf70 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild