From 2aff3da773af0fbf3307d149ec0492fe9d277400 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Thu, 19 Apr 2018 07:42:36 -0500
Subject: [PATCH 1/2] rw: init at 1.0

---
 pkgs/tools/misc/rw/default.nix  | 26 ++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix |  2 ++
 2 files changed, 28 insertions(+)
 create mode 100644 pkgs/tools/misc/rw/default.nix

diff --git a/pkgs/tools/misc/rw/default.nix b/pkgs/tools/misc/rw/default.nix
new file mode 100644
index 000000000000..3082b7491e73
--- /dev/null
+++ b/pkgs/tools/misc/rw/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "rw-${version}";
+  version = "1.0";
+
+  src = fetchurl {
+    url = "https://sortix.org/rw/release/rw-portable-${version}.tar.gz";
+    # Use hash provided by upstream
+    sha256 = "50009730e36991dfe579716f91f4f616f5ba05ffb7bf69c03d41bf305ed93b6d";
+  };
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  meta = with stdenv.lib; {
+    homepage = https://sortix.org/rw;
+    description = "Block device and byte copying program similar to dd";
+    longDescription = ''
+      rw is a command line program which copies information between files
+      or byte streams. The rw command is designed to be a replacement for
+      dd with standard style command line flags.
+    '';
+    license = licenses.isc;
+    maintainers = with maintainers; [ dtzWill ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 86eb873174c6..d6d027723c2b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4699,6 +4699,8 @@ with pkgs;
 
   runzip = callPackage ../tools/archivers/runzip { };
 
+  rw = callPackage ../tools/misc/rw { };
+
   rxp = callPackage ../tools/text/xml/rxp { };
 
   rzip = callPackage ../tools/compression/rzip { };

From 305b75d3383d788098316da0fab0002892922b65 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Thu, 19 Apr 2018 12:08:10 -0500
Subject: [PATCH 2/2] rw: mark as broken on darwin for now

For more info, see discussion starting here:
https://github.com/NixOS/nixpkgs/pull/39150#issuecomment-382725177
---
 pkgs/tools/misc/rw/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/tools/misc/rw/default.nix b/pkgs/tools/misc/rw/default.nix
index 3082b7491e73..345f26852dcb 100644
--- a/pkgs/tools/misc/rw/default.nix
+++ b/pkgs/tools/misc/rw/default.nix
@@ -22,5 +22,7 @@ stdenv.mkDerivation rec {
     '';
     license = licenses.isc;
     maintainers = with maintainers; [ dtzWill ];
+
+    broken = stdenv.hostPlatform.isDarwin;
   };
 }