$ git clone -n https://src.fedoraproject.org/rpms/pychess.git /var/lib/mock/f39-build-1908979-42872/root/chroot_tmpdir/scmroot/pychess
Cloning into '/var/lib/mock/f39-build-1908979-42872/root/chroot_tmpdir/scmroot/pychess'...
$ git fetch origin 2b5ad27cf08a46f68aec93bc5257ba0be55a5bb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pychess
 * [new ref]         2b5ad27cf08a46f68aec93bc5257ba0be55a5bb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b5ad27 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild