$ git clone -n https://src.fedoraproject.org/rpms/yggdrasil-worker-package-manager.git /var/lib/mock/f40-build-796031-140456/root/chroot_tmpdir/scmroot/yggdrasil-worker-package-manager
Cloning into '/var/lib/mock/f40-build-796031-140456/root/chroot_tmpdir/scmroot/yggdrasil-worker-package-manager'...
$ git fetch origin 4e7b858c4206cd55f26dfa2ee43dbca0fbb791d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yggdrasil-worker-package-manager
 * [new ref]         4e7b858c4206cd55f26dfa2ee43dbca0fbb791d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e7b858 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild