$ git clone -n https://github.com/fedora-riscv/clang13.git /var/lib/mock/f37-build-side-28-python-devel-80789-4088/root/chroot_tmpdir/scmroot/clang13
Cloning into '/var/lib/mock/f37-build-side-28-python-devel-80789-4088/root/chroot_tmpdir/scmroot/clang13'...
fatal: unable to access 'https://github.com/fedora-riscv/clang13.git/': HTTP/2 stream 1 was not closed cleanly before end of the underlying stream