$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtscxml.git /var/lib/mock/f39-build-1732397-41251/root/chroot_tmpdir/scmroot/qt6-qtscxml
Cloning into '/var/lib/mock/f39-build-1732397-41251/root/chroot_tmpdir/scmroot/qt6-qtscxml'...
$ git fetch origin eeb183e4e160effd369821b431490fc46a9200ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtscxml
 * [new ref]         eeb183e4e160effd369821b431490fc46a9200ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eeb183e 6.6.0