$ git clone -n https://src.fedoraproject.org/rpms/R-littler.git /var/lib/mock/f38-build-side-42-init-devel-883589-28487/root/chroot_tmpdir/scmroot/R-littler
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-883589-28487/root/chroot_tmpdir/scmroot/R-littler'...
$ git fetch origin 52ed871e9bd9f70b0f1969c89aa1f03a6595f403:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/R-littler.git/': Error in the HTTP2 framing layer
$ git reset --hard 52ed871e9bd9f70b0f1969c89aa1f03a6595f403
HEAD is now at 52ed871 New upstream release 0.3.18