$ git clone -n https://src.fedoraproject.org/rpms/bfs.git /var/lib/mock/f41-build-828433-155718/root/chroot_tmpdir/scmroot/bfs
Cloning into '/var/lib/mock/f41-build-828433-155718/root/chroot_tmpdir/scmroot/bfs'...
$ git fetch origin 6b940eaaa6253444bce47acd5b0bb6e77ceef5b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bfs
 * [new ref]         6b940eaaa6253444bce47acd5b0bb6e77ceef5b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b940ea Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild