$ git clone -n https://src.fedoraproject.org/rpms/wdiff.git /var/lib/mock/f40-build-760488-121099/root/chroot_tmpdir/scmroot/wdiff
Cloning into '/var/lib/mock/f40-build-760488-121099/root/chroot_tmpdir/scmroot/wdiff'...
$ git fetch origin 23b7af9d868e919b4f1c679b0191c1cc2300e752:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wdiff
 * [new ref]         23b7af9d868e919b4f1c679b0191c1cc2300e752 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23b7af9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild