$ git clone -n https://src.fedoraproject.org/rpms/ncnn.git /var/lib/mock/f40-build-806183-144971/root/chroot_tmpdir/scmroot/ncnn
Cloning into '/var/lib/mock/f40-build-806183-144971/root/chroot_tmpdir/scmroot/ncnn'...
$ git reset --hard bc579e6979cd447ed800b97ecd9a589e23d03b3e
HEAD is now at bc579e6 initial import; rhbz#2270377