From 6b8de994a1022f32502cf2ed6757afb8f508aa86 Mon Sep 17 00:00:00 2001
From: Ben Darwin <bcdarwin@gmail.com>
Date: Mon, 25 Nov 2019 10:53:35 -0500
Subject: [PATCH] ocamlPackages.cfstream: init at 1.3.0

---
 .../ocaml-modules/cfstream/default.nix        | 30 +++++++++++++++++++
 .../ocaml-modules/cfstream/git_commit.patch   | 13 ++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 3 files changed, 45 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/cfstream/default.nix
 create mode 100644 pkgs/development/ocaml-modules/cfstream/git_commit.patch

diff --git a/pkgs/development/ocaml-modules/cfstream/default.nix b/pkgs/development/ocaml-modules/cfstream/default.nix
new file mode 100644
index 000000000000..db6d2b1d4401
--- /dev/null
+++ b/pkgs/development/ocaml-modules/cfstream/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, m4, core_kernel, ounit }:
+
+buildDunePackage rec {
+  pname = "cfstream";
+  version = "1.3.0";
+
+  minimumOCamlVersion = "4.04.1";
+
+  src = fetchFromGitHub {
+    owner = "biocaml";
+    repo   = pname;
+    rev    = version;
+    sha256 = "1bpzpci0cx6r3sdk183mm603wgzvvj46nlx0lpx44108anxcxbak";
+  };
+
+  patches = [ ./git_commit.patch ];
+
+  buildInputs = [ m4 ];
+  checkInputs = [ ounit ];
+  propagatedBuildInputs = [ core_kernel ];
+
+  doCheck = true;
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "Simple Core-inspired wrapper for standard library Stream module";
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.lgpl21;
+  };
+}
diff --git a/pkgs/development/ocaml-modules/cfstream/git_commit.patch b/pkgs/development/ocaml-modules/cfstream/git_commit.patch
new file mode 100644
index 000000000000..5f8d8f5ce31d
--- /dev/null
+++ b/pkgs/development/ocaml-modules/cfstream/git_commit.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/jbuild b/lib/jbuild
+index fcc5a39..d72d50c 100644
+--- a/lib/jbuild
++++ b/lib/jbuild
+@@ -10,7 +10,7 @@
+ (rule (
+   (targets (GIT_COMMIT))
+   (deps (../bin/git_commit.sh))
+-  (action (with-stdout-to ${@} (run ${<})))
++  (action (with-stdout-to ${@} (run echo "None")))
+ ))
+ 
+ (rule (
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index b6b7e7bae398..2be514f5a0e6 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -138,6 +138,8 @@ let
 
     cairo2 = callPackage ../development/ocaml-modules/cairo2 { };
 
+    cfstream = callPackage ../development/ocaml-modules/cfstream { };
+
     charInfo_width = callPackage ../development/ocaml-modules/charInfo_width { };
 
     checkseum = callPackage ../development/ocaml-modules/checkseum { };