$ git clone -n https://src.fedoraproject.org/rpms/kf5-kross.git /var/lib/mock/f40-build-787092-134734/root/chroot_tmpdir/scmroot/kf5-kross
Cloning into '/var/lib/mock/f40-build-787092-134734/root/chroot_tmpdir/scmroot/kf5-kross'...
$ git fetch origin 6c717123223c1dcd2a826cf99b4643e790a05b5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kross
 * [new ref]         6c717123223c1dcd2a826cf99b4643e790a05b5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c71712 5.115.0