$ git clone -n https://src.fedoraproject.org/rpms/f23-backgrounds.git /var/lib/mock/f41-build-1682999-24255/root/chroot_tmpdir/scmroot/f23-backgrounds
Cloning into '/var/lib/mock/f41-build-1682999-24255/root/chroot_tmpdir/scmroot/f23-backgrounds'...
$ git fetch origin 2cdb02e826cae3e872e28c0de07d73ce76a11808:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/f23-backgrounds
 * [new ref]         2cdb02e826cae3e872e28c0de07d73ce76a11808 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cdb02e Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild