$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtgraphs.git /var/lib/mock/f41-build-808399-145835/root/chroot_tmpdir/scmroot/qt6-qtgraphs
Cloning into '/var/lib/mock/f41-build-808399-145835/root/chroot_tmpdir/scmroot/qt6-qtgraphs'...
$ git fetch origin ea1cec361304bd2a8b98b179d1206d948734ed9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtgraphs
 * [new ref]         ea1cec361304bd2a8b98b179d1206d948734ed9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea1cec3 6.7.1