$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtcharts.git /var/lib/mock/f40-build-800405-143529/root/chroot_tmpdir/scmroot/qt5-qtcharts
Cloning into '/var/lib/mock/f40-build-800405-143529/root/chroot_tmpdir/scmroot/qt5-qtcharts'...
$ git fetch origin 086bbea7e6905540132436a500c21592716f566e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtcharts
 * [new ref]         086bbea7e6905540132436a500c21592716f566e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 086bbea 5.15.13