lighttpd: make tests run, but disable

pkgs/servers/http/lighttpd/default.nix

@@ -3,6 +3,7 @@
 , enableMysql ? false, mysql ? null
 , enableLdap ? false, openldap ? null
 , enableWebDAV ? true, sqlite ? null, libuuid ? null
+, perl
 }:
 
 assert enableMagnet -> lua5_1 != null;
@@ -19,6 +20,10 @@ stdenv.mkDerivation rec {
     sha256 = "02ff77cpvy1006cwfym38vf78xm18plyj636ll74r7kx2bblkpxf";
   };
 
+  postPatch = ''
+    patchShebangs tests
+  '';
+
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ pcre libxml2 zlib attr bzip2 which file openssl ]
              ++ stdenv.lib.optional enableMagnet lua5_1
@@ -38,6 +43,9 @@ stdenv.mkDerivation rec {
     sed -i "s:/usr/bin/file:${file}/bin/file:g" configure
   '';
 
+  checkInputs = [ perl ];
+  doCheck = false; # fails 2 tests
+
   postInstall = ''
     mkdir -p "$out/share/lighttpd/doc/config"
     cp -vr doc/config "$out/share/lighttpd/doc/"