$ git clone -n https://src.fedoraproject.org/rpms/kf6-knewstuff.git /var/lib/mock/f41-build-824067-153992/root/chroot_tmpdir/scmroot/kf6-knewstuff
Cloning into '/var/lib/mock/f41-build-824067-153992/root/chroot_tmpdir/scmroot/kf6-knewstuff'...
$ git fetch origin 15e1c576e67dbeb5eb032b0c4d045886dec42ce1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knewstuff
 * [new ref]         15e1c576e67dbeb5eb032b0c4d045886dec42ce1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15e1c57 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild