$ git clone -n https://src.fedoraproject.org/rpms/qt5-qttools.git /var/lib/mock/f41-build-847164-163783/root/chroot_tmpdir/scmroot/qt5-qttools
Cloning into '/var/lib/mock/f41-build-847164-163783/root/chroot_tmpdir/scmroot/qt5-qttools'...
$ git fetch origin 62c87ba5520a3bda354a8884924aa583d4993eeb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qttools
 * [new ref]         62c87ba5520a3bda354a8884924aa583d4993eeb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62c87ba 5.15.15