{stdenv, subversion, nix, sshSupport ? false, openssh ? null}: {url, rev ? "HEAD", md5}:
stdenv.mkDerivation {
name = "svn-export";
builder = ./builder.sh;
buildInputs = [subversion nix];
# Nix <= 0.7 compatibility.
id = md5;
outputHashAlgo = "md5";
outputHashMode = "recursive";
outputHash = md5;
inherit url rev sshSupport openssh;
}