$ git clone -n https://src.fedoraproject.org/rpms/ncnn.git /var/lib/mock/f41-build-846583-163125/root/chroot_tmpdir/scmroot/ncnn
Cloning into '/var/lib/mock/f41-build-846583-163125/root/chroot_tmpdir/scmroot/ncnn'...
$ git fetch origin b387bc305e5bd073167aa4b719427ad6983b0b86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ncnn
 * [new ref]         b387bc305e5bd073167aa4b719427ad6983b0b86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b387bc3 Update to 20240820 upstream release