$ git clone -n https://src.fedoraproject.org/rpms/tkimg.git /var/lib/mock/f41-build-side-1-3136302-39772/root/chroot_tmpdir/scmroot/tkimg
Cloning into '/var/lib/mock/f41-build-side-1-3136302-39772/root/chroot_tmpdir/scmroot/tkimg'...
$ git fetch origin 8704908817deefb87c3e53bed67d1fb463cf9a35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tkimg
 * [new ref]         8704908817deefb87c3e53bed67d1fb463cf9a35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8704908 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild