$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtgraphicaleffects.git /var/lib/mock/f40-build-800409-143529/root/chroot_tmpdir/scmroot/qt5-qtgraphicaleffects
Cloning into '/var/lib/mock/f40-build-800409-143529/root/chroot_tmpdir/scmroot/qt5-qtgraphicaleffects'...
$ git fetch origin cb88f248d067b55eae388ec74c4945c26760f450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtgraphicaleffects
 * [new ref]         cb88f248d067b55eae388ec74c4945c26760f450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb88f24 5.15.13