WIP: getting good

pkgs/tools/text/diffutils/default.nix

@@ -8,6 +8,9 @@ stdenv.mkDerivation rec {
     sha256 = "1761vymxbp4wb5rzjvabhdkskk95pghnn67464byvzb5mfl8jpm2";
   };
 
+  outputs = [ "out" "info" ];
+  buildInputs = [ stdenv.hookLib.multiout ];
+
   /* If no explicit coreutils is given, use the one from stdenv. */
   nativeBuildInputs = [ coreutils ];
 

pkgs/tools/text/gawk/default.nix

@@ -1,5 +1,8 @@
-{ stdenv, fetchurl, libsigsegv, readline, readlineSupport ? false }:
+{ stdenv, fetchurl, libsigsegv, readline, interactive ? false }:
 
+let
+  inherit (stdenv.lib) optional;
+in
 stdenv.mkDerivation rec {
   name = "gawk-4.1.0";
 
@@ -8,15 +11,17 @@ stdenv.mkDerivation rec {
     sha256 = "0hin2hswbbd6kd6i4zzvgciwpl5fba8d2s524z8y5qagyz3x010q";
   };
 
-  doCheck = !stdenv.isCygwin; # XXX: `test-dup2' segfaults on Cygwin 6.1
+  # When we do build separate interactive version, it makes sense to always include docs.
+  #outputs = stdenv.lib.optionals (!interactive) [ "out" "doc" ]; #ToDo
 
   buildInputs = [ libsigsegv ]
-    ++ stdenv.lib.optional readlineSupport readline;
+    ++ optional (!interactive) stdenv.hookLib.multiout
+    ++ optional interactive readline;
 
   configureFlags = [ "--with-libsigsegv-prefix=${libsigsegv}" ]
-    ++ stdenv.lib.optional readlineSupport "--with-readline=${readline}"
-      # only darwin where reported, seems OK on non-chrooted Fedora (don't rebuild stdenv)
-    ++ stdenv.lib.optional (!readlineSupport && stdenv.isDarwin) "--without-readline";
+    ++ [(if interactive then "--with-readline=${readline}" else "--without-readline")];
+
+  doCheck = !stdenv.isCygwin; # XXX: `test-dup2' segfaults on Cygwin 6.1
 
   postInstall = "rm $out/bin/gawk-*";
 

pkgs/tools/text/gnugrep/default.nix

@@ -10,7 +10,9 @@ stdenv.mkDerivation {
     sha256 = "1qbjb1l7f9blckc5pqy8jlf6482hpx4awn2acmhyf5mv9wfq03p7";
   };
 
-  buildInputs = [ pcre ]
+  #outputs = [ "out" "doc" ]; ToDo
+
+  buildInputs = [ stdenv.hookLib.multiout pcre ]
     ++ stdenv.lib.optional (libiconv != null) libiconv;
 
   patches = [ ./test-localeconv.patch ];

pkgs/tools/text/gnused/default.nix

@@ -1,4 +1,4 @@
-{stdenv, fetchurl}:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation {
   name = "gnused-4.2.2";
@@ -8,6 +8,9 @@ stdenv.mkDerivation {
     sha256 = "f048d1838da284c8bc9753e4506b85a1e0cc1ea8999d36f6995bcb9460cddbd7";
   };
 
+  outputs = [ "out" "info" ];
+  buildInputs = [ stdenv.hookLib.multiout ];
+
   meta = {
     homepage = http://www.gnu.org/software/sed/;
     description = "GNU sed, a batch stream editor";