$ git clone -n https://src.fedoraproject.org/rpms/python-pyqt6.git /var/lib/mock/f40-build-2671356-67404/root/chroot_tmpdir/scmroot/python-pyqt6
Cloning into '/var/lib/mock/f40-build-2671356-67404/root/chroot_tmpdir/scmroot/python-pyqt6'...
$ git fetch origin 86305a3426d29d70974664d23d4b62115b46dbed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyqt6
 * [new ref]         86305a3426d29d70974664d23d4b62115b46dbed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86305a3 Rebuild (qt6)