$ git clone -n https://src.fedoraproject.org/rpms/tuxmath.git /var/lib/mock/f39-build-1561944-37414/root/chroot_tmpdir/scmroot/tuxmath
Cloning into '/var/lib/mock/f39-build-1561944-37414/root/chroot_tmpdir/scmroot/tuxmath'...
$ git fetch origin 1e861d813ababda8c7ccfdef4f80113f215b187a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tuxmath
 * [new ref]         1e861d813ababda8c7ccfdef4f80113f215b187a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e861d8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild