$ git clone -n https://src.fedoraproject.org/rpms/tetrinetx.git /var/lib/mock/f39-build-1558623-37307/root/chroot_tmpdir/scmroot/tetrinetx
Cloning into '/var/lib/mock/f39-build-1558623-37307/root/chroot_tmpdir/scmroot/tetrinetx'...
$ git fetch origin 5ae92a459fed756a4bd5ac625cbbe5f88cccb23c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tetrinetx
 * [new ref]         5ae92a459fed756a4bd5ac625cbbe5f88cccb23c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ae92a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild