$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtserialbus.git /var/lib/mock/f41-build-861408-169750/root/chroot_tmpdir/scmroot/qt6-qtserialbus
Cloning into '/var/lib/mock/f41-build-861408-169750/root/chroot_tmpdir/scmroot/qt6-qtserialbus'...
$ git fetch origin a6b8ab2ec1adb2391ed4b3d00e72e977e5cc7133:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtserialbus
 * [new ref]         a6b8ab2ec1adb2391ed4b3d00e72e977e5cc7133 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6b8ab2 6.8.0