From 40261b7484e5ee4fdbfba4496ee466d6a1533a2f Mon Sep 17 00:00:00 2001
From: Brian McKenna <brian@simpleenergy.com>
Date: Tue, 18 Nov 2014 20:55:36 -0700
Subject: [PATCH] Add Flow

A static type checker for JavaScript
---
 .../tools/analysis/flow/default.nix           | 27 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 29 insertions(+)
 create mode 100644 pkgs/development/tools/analysis/flow/default.nix

diff --git a/pkgs/development/tools/analysis/flow/default.nix b/pkgs/development/tools/analysis/flow/default.nix
new file mode 100644
index 000000000000..0777b5a5f9a6
--- /dev/null
+++ b/pkgs/development/tools/analysis/flow/default.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchFromGitHub, ocaml, libelf }:
+
+stdenv.mkDerivation rec {
+  version = "0.1.0";
+  name = "flow-${version}";
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = "flow";
+    rev = "v${version}";
+    sha256 = "1f33zmajd6agb36gp8bwj0yqihjhxnkpig9x3a4ggn369x6ixhn3";
+  };
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/flow $out/bin/
+  '';
+
+  buildInputs = [ ocaml libelf ];
+
+  meta = with stdenv.lib; {
+    homepage = "http://flowtype.org/";
+    description = "A static type checker for JavaScript";
+    license = stdenv.lib.licenses.bsd3;
+    platforms = stdenv.lib.platforms.unix;
+    maintainers = with maintainers; [ puffnfresh ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e4e0fad4ed5f..e04ec226f9e9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4470,6 +4470,8 @@ let
 
   findbugs = callPackage ../development/tools/analysis/findbugs { };
 
+  flow = callPackage ../development/tools/analysis/flow { };
+
   pmd = callPackage ../development/tools/analysis/pmd { };
 
   jdepend = callPackage ../development/tools/analysis/jdepend { };