$ git clone -n https://github.com/fedora-riscv/mvfst.git /var/lib/mock/f39-build-2380739-60454/root/chroot_tmpdir/scmroot/mvfst
Cloning into '/var/lib/mock/f39-build-2380739-60454/root/chroot_tmpdir/scmroot/mvfst'...
$ git fetch origin 66254de30a43e2162530d6e697bdbbbe8836dd41:KOJI_FETCH_HEAD
error: RPC failed; curl 55 Failed sending data to the peer
fatal: expected flush after ref listing
$ git reset --hard 66254de30a43e2162530d6e697bdbbbe8836dd41
HEAD is now at 66254de Rebuild for f39