$ git clone -n https://src.fedoraproject.org/rpms/hcloud.git /var/lib/mock/f40-build-2314749-57843/root/chroot_tmpdir/scmroot/hcloud
Cloning into '/var/lib/mock/f40-build-2314749-57843/root/chroot_tmpdir/scmroot/hcloud'...
$ git fetch origin d17e779238895c17a3dd9821ca28a4b7d2b61130:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hcloud
 * [new ref]         d17e779238895c17a3dd9821ca28a4b7d2b61130 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d17e779 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild