$ git clone -n https://src.fedoraproject.org/rpms/polyclipping.git /var/lib/mock/f40-build-793161-138796/root/chroot_tmpdir/scmroot/polyclipping
Cloning into '/var/lib/mock/f40-build-793161-138796/root/chroot_tmpdir/scmroot/polyclipping'...
$ git fetch origin 771d3c7dc7bbcfcd4a3d3c775de10cbc8d8001fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polyclipping
 * [new ref]         771d3c7dc7bbcfcd4a3d3c775de10cbc8d8001fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 771d3c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild