$ git clone -n https://github.com/fedora-riscv/avr-gcc.git /var/lib/mock/f37-build-side-32-misc-devel-256688-14291/root/chroot_tmpdir/scmroot/avr-gcc
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-256688-14291/root/chroot_tmpdir/scmroot/avr-gcc'...
fatal: unable to access 'https://github.com/fedora-riscv/avr-gcc.git/': HTTP/2 stream 1 was not closed cleanly before end of the underlying stream