$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-qt.git /var/lib/mock/f41-build-side-1-3049582-37900/root/chroot_tmpdir/scmroot/fcitx5-qt
Cloning into '/var/lib/mock/f41-build-side-1-3049582-37900/root/chroot_tmpdir/scmroot/fcitx5-qt'...
$ git fetch origin 3756dd60d1577feb7f2d1bb36be26d3c07dae494:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-qt
 * [new ref]         3756dd60d1577feb7f2d1bb36be26d3c07dae494 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3756dd6 Rebuild (qt6)