$ git clone -n https://src.fedoraproject.org/rpms/stockfish.git /var/lib/mock/f39-build-1911743-42872/root/chroot_tmpdir/scmroot/stockfish
Cloning into '/var/lib/mock/f39-build-1911743-42872/root/chroot_tmpdir/scmroot/stockfish'...
$ git fetch origin f9e3ae5f54d360d7c2eda6b000d52ccbb4323491:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stockfish
 * [new ref]         f9e3ae5f54d360d7c2eda6b000d52ccbb4323491 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9e3ae5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild