$ git clone -n https://src.fedoraproject.org/rpms/spectacle.git /var/lib/mock/f39-build-1703651-41217/root/chroot_tmpdir/scmroot/spectacle
Cloning into '/var/lib/mock/f39-build-1703651-41217/root/chroot_tmpdir/scmroot/spectacle'...
$ git fetch origin 740ec3df613c1d8721893213544867f5fe6b4968:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spectacle
 * [new ref]         740ec3df613c1d8721893213544867f5fe6b4968 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 740ec3d 23.08.3