$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtimageformats.git /var/lib/mock/f41-build-847172-163786/root/chroot_tmpdir/scmroot/qt5-qtimageformats
Cloning into '/var/lib/mock/f41-build-847172-163786/root/chroot_tmpdir/scmroot/qt5-qtimageformats'...
$ git fetch origin 350cb0889a61c22e3b23cd2113ef12c4ccaffb34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtimageformats
 * [new ref]         350cb0889a61c22e3b23cd2113ef12c4ccaffb34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 350cb08 5.15.15