Three new Haskell tools: rehoo, una, cabal-meta

pkgs/development/tools/haskell/cabal-meta/default.nix

@@ -0,0 +1,18 @@
+{ cabal, hspec, shelly, systemFileio, systemFilepath, text }:
+
+cabal.mkDerivation (self: {
+  pname = "cabal-meta";
+  version = "0.4.1.2";
+  sha256 = "17ln9j0n9rb0kbnp37fi9yaf932dacrdmf3jrp301r886kh2a7kk";
+  isLibrary = true;
+  isExecutable = true;
+  doCheck = false;
+  buildDepends = [ shelly systemFileio systemFilepath text ];
+  testDepends = [ hspec shelly systemFilepath text ];
+  meta = {
+    homepage = "http://www.yesodweb.com/";
+    description = "build multiple packages at once";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/development/tools/haskell/rehoo/default.nix

@@ -0,0 +1,19 @@
+{ cabal, cmdargs, parallelIo, shelly, split, systemFilepath, text
+}:
+
+cabal.mkDerivation (self: {
+  pname = "rehoo";
+  version = "0.3.1";
+  sha256 = "0pwmz1q2866yj8hxbvha4v1smhppkd3jsrrhbhmbxw137l54ijgf";
+  isLibrary = false;
+  isExecutable = true;
+  buildDepends = [
+    cmdargs parallelIo shelly split systemFilepath text
+  ];
+  meta = {
+    homepage = "https://github.com/jwiegley/rehoo";
+    description = "Rebuild default.hoo from many .hoo files in the current directory";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/development/tools/haskell/una/default.nix

@@ -0,0 +1,16 @@
+{ cabal, cmdargs, filepath, ioStorage }:
+
+cabal.mkDerivation (self: {
+  pname = "una";
+  version = "2.1.0";
+  sha256 = "0gpycwd0dgnw7cdicpn19wv1xb4jq3j9dfzry2ilv85h02zkwfvh";
+  isLibrary = false;
+  isExecutable = true;
+  buildDepends = [ cmdargs filepath ioStorage ];
+  meta = {
+    homepage = "https://github.com/jwiegley/una";
+    description = "Universal un-archiver utility";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})