$ git clone -n https://src.fedoraproject.org/rpms/rrdtool.git /var/lib/mock/f40-build-2033110-47770/root/chroot_tmpdir/scmroot/rrdtool
Cloning into '/var/lib/mock/f40-build-2033110-47770/root/chroot_tmpdir/scmroot/rrdtool'...
$ git fetch origin 76f479e1055524e66f74b10c96ce5011fa78269c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rrdtool
 * [new ref]         76f479e1055524e66f74b10c96ce5011fa78269c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76f479e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild