$ git clone -n https://src.fedoraproject.org/rpms/tumbler.git /var/lib/mock/f41-build-833968-158015/root/chroot_tmpdir/scmroot/tumbler
Cloning into '/var/lib/mock/f41-build-833968-158015/root/chroot_tmpdir/scmroot/tumbler'...
$ git fetch origin 164c5483f31ac655f187bc1d02432ae8ec42ea94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tumbler
 * [new ref]         164c5483f31ac655f187bc1d02432ae8ec42ea94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 164c548 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild