$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtimageformats.git /var/lib/mock/f41-build-811741-147521/root/chroot_tmpdir/scmroot/qt5-qtimageformats
Cloning into '/var/lib/mock/f41-build-811741-147521/root/chroot_tmpdir/scmroot/qt5-qtimageformats'...
$ git fetch origin ea58a8425eb84cc550ef92fff5815c7deaf9421a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtimageformats
 * [new ref]         ea58a8425eb84cc550ef92fff5815c7deaf9421a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea58a84 5.15.14