$ git clone -n https://src.fedoraproject.org/rpms/kf5-kauth.git /var/lib/mock/f40-build-760227-121019/root/chroot_tmpdir/scmroot/kf5-kauth
Cloning into '/var/lib/mock/f40-build-760227-121019/root/chroot_tmpdir/scmroot/kf5-kauth'...
$ git fetch origin 5d73915c1234ae21c3d3622492a56ee604686b0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kauth
 * [new ref]         5d73915c1234ae21c3d3622492a56ee604686b0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d73915 5.113.0