$ git clone -n https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/gcc.git /var/lib/mock/f45-bootstrap-209-123/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/f45-bootstrap-209-123/root/chroot_tmpdir/scmroot/gcc'...
fatal: unable to access 'https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/gcc.git/': Could not resolve host: src.fedoraproject.org