$ git clone -n https://src.fedoraproject.org/rpms/greetd.git /var/lib/mock/f40-build-795930-140354/root/chroot_tmpdir/scmroot/greetd
Cloning into '/var/lib/mock/f40-build-795930-140354/root/chroot_tmpdir/scmroot/greetd'...
$ git fetch origin 81f3f254eed7b1b88df7cfd48f104272d68652a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/greetd
 * [new ref]         81f3f254eed7b1b88df7cfd48f104272d68652a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81f3f25 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild