$ git clone -n https://src.fedoraproject.org/rpms/gtkspell3.git /var/lib/mock/f45-build-13183-447/root/chroot_tmpdir/scmroot/gtkspell3
Cloning into '/var/lib/mock/f45-build-13183-447/root/chroot_tmpdir/scmroot/gtkspell3'...
$ git fetch origin 38c3b66f773538c9d46d887eeb13a9866d91c24d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtkspell3
 * [new ref]         38c3b66f773538c9d46d887eeb13a9866d91c24d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38c3b66 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild