fetchsvn: add system certificate authorities bundle

{ lib, stdenvNoCC, buildPackages

, subversion, glibcLocales, sshSupport ? true, openssh ? null

, cacert, subversion, glibcLocales, sshSupport ? true, openssh ? null

}:

{ url, rev ? "HEAD", sha256 ? "", hash ? ""

stdenvNoCC.mkDerivation {

  name = name_;

  builder = ./builder.sh;

  nativeBuildInputs = [ subversion glibcLocales ]

  nativeBuildInputs = [ cacert subversion glibcLocales ]

    ++ lib.optional sshSupport openssh;

  SVN_SSH = if sshSupport then "${buildPackages.openssh}/bin/ssh" else null;