$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtconnectivity.git /var/lib/mock/f40-build-2232334-53331/root/chroot_tmpdir/scmroot/qt5-qtconnectivity
Cloning into '/var/lib/mock/f40-build-2232334-53331/root/chroot_tmpdir/scmroot/qt5-qtconnectivity'...
$ git fetch origin 247cd0b9109d06d0d352b8b4a3eee3f44348fc94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtconnectivity
 * [new ref]         247cd0b9109d06d0d352b8b4a3eee3f44348fc94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 247cd0b 5.15.12