$ git clone -n https://src.fedoraproject.org/rpms/boost1.78.git /var/lib/mock/f38-build-side-42-init-devel-710585-27243/root/chroot_tmpdir/scmroot/boost1.78
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-710585-27243/root/chroot_tmpdir/scmroot/boost1.78'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/boost1.78.git/': The requested URL returned error: 503