$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtscxml.git /var/lib/mock/f40-build-2182143-51174/root/chroot_tmpdir/scmroot/qt6-qtscxml
Cloning into '/var/lib/mock/f40-build-2182143-51174/root/chroot_tmpdir/scmroot/qt6-qtscxml'...
$ git fetch origin 83f45665349227b35cde8001e91e0aebcb4f6bac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtscxml
 * [new ref]         83f45665349227b35cde8001e91e0aebcb4f6bac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83f4566 6.6.1