$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtserialport.git /var/lib/mock/f40-build-1465752-23665/root/chroot_tmpdir/scmroot/qt6-qtserialport
Cloning into '/var/lib/mock/f40-build-1465752-23665/root/chroot_tmpdir/scmroot/qt6-qtserialport'...
$ git fetch origin b825463892ba45e5856a82d735aa84efacb7dd7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtserialport
 * [new ref]         b825463892ba45e5856a82d735aa84efacb7dd7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b825463 6.7.2