$ git clone -n https://src.fedoraproject.org/rpms/openslide.git /var/lib/mock/f40-build-803345-144235/root/chroot_tmpdir/scmroot/openslide
Cloning into '/var/lib/mock/f40-build-803345-144235/root/chroot_tmpdir/scmroot/openslide'...
$ git fetch origin f0c5288b24289ed06b6ac452e60b9ab9f4dfbc30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openslide
 * [new ref]         f0c5288b24289ed06b6ac452e60b9ab9f4dfbc30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0c5288 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild