$ git clone -n https://src.fedoraproject.org/rpms/R-itertools.git /var/lib/mock/f45-build-6185-346/root/chroot_tmpdir/scmroot/R-itertools
Cloning into '/var/lib/mock/f45-build-6185-346/root/chroot_tmpdir/scmroot/R-itertools'...
$ git fetch origin b8b8650e1f0871f6dd936d11adbc95142df5b0a6:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/R-itertools.git/': Failed to connect to src.fedoraproject.org port 443 after 4006 ms: Could not connect to server
$ git reset --hard b8b8650e1f0871f6dd936d11adbc95142df5b0a6
HEAD is now at b8b8650 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild