$ git clone -n https://src.fedoraproject.org/rpms/NLopt.git /var/lib/mock/f39-build-1597088-38425/root/chroot_tmpdir/scmroot/NLopt
Cloning into '/var/lib/mock/f39-build-1597088-38425/root/chroot_tmpdir/scmroot/NLopt'...
$ git fetch origin 84428dda8a93c695ad734594df711909b96716f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/NLopt
 * [new ref]         84428dda8a93c695ad734594df711909b96716f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84428dd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild