pastel: init at 0.5.3

pkgs/applications/misc/pastel/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchFromGitHub, rustPlatform, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "pastel";
+  version = "0.5.3";
+
+  src = fetchFromGitHub {
+    owner = "sharkdp";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0f54p3pzfp7xrwlqn61l7j41vmgcfph3bhq2khxh5apfwwdx9nng";
+  };
+
+  cargoSha256 = "05yvlm7z3zfn8qd8nb9zpch9xsfzidrpyrgg2vij3h3q095mdm66";
+
+  buildInputs = stdenv.lib.optional stdenv.isDarwin Security;
+
+  meta = with stdenv.lib; {
+    description = "A command-line tool to generate, analyze, convert and manipulate colors";
+    homepage = https://github.com/sharkdp/pastel;
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ davidtwco ];
+    platforms = platforms.all;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1872,6 +1872,10 @@ in
 
   optar = callPackage ../tools/graphics/optar {};
 
+  pastel = callPackage ../applications/misc/pastel {
+    inherit (darwin.apple_sdk.frameworks) Security;
+  };
+
   patdiff = callPackage ../tools/misc/patdiff { };
 
   pbpst = callPackage ../applications/misc/pbpst { };