$ git clone -n https://src.fedoraproject.org/rpms/spectacle.git /var/lib/mock/f41-build-831998-157210/root/chroot_tmpdir/scmroot/spectacle
Cloning into '/var/lib/mock/f41-build-831998-157210/root/chroot_tmpdir/scmroot/spectacle'...
$ git fetch origin 3348ea0fd77a840356ec138bdbedd2eed2ab8b34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spectacle
 * [new ref]         3348ea0fd77a840356ec138bdbedd2eed2ab8b34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3348ea0 Rebuild for opencv 4.10.0