$ git clone -n https://src.fedoraproject.org/rpms/ghc-concurrent-output.git /var/lib/mock/f38-build-side-42-init-devel-524220-25603/root/chroot_tmpdir/scmroot/ghc-concurrent-output
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-524220-25603/root/chroot_tmpdir/scmroot/ghc-concurrent-output'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/ghc-concurrent-output.git/': Error in the HTTP2 framing layer