$ git clone -n https://src.fedoraproject.org/rpms/gimp-lensfun.git /var/lib/mock/f40-build-2139461-50846/root/chroot_tmpdir/scmroot/gimp-lensfun
Cloning into '/var/lib/mock/f40-build-2139461-50846/root/chroot_tmpdir/scmroot/gimp-lensfun'...
$ git fetch origin 33446d1bfc53450bc7a7319554fdd7f2b80634b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gimp-lensfun
 * [new ref]         33446d1bfc53450bc7a7319554fdd7f2b80634b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33446d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild