$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtimageformats.git /var/lib/mock/f39-build-1687051-41104/root/chroot_tmpdir/scmroot/qt6-qtimageformats
Cloning into '/var/lib/mock/f39-build-1687051-41104/root/chroot_tmpdir/scmroot/qt6-qtimageformats'...
$ git fetch origin a06a9ce6cb22b6d243981729408b29784154000e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtimageformats
 * [new ref]         a06a9ce6cb22b6d243981729408b29784154000e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a06a9ce 6.6.0