From 6a27377958acc3f036843eced9332bee7ef46995 Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Sun, 25 Oct 2020 19:54:25 +0100
Subject: =?UTF-8?q?ocamlPackages.cstruct:=205.0.0=20=E2=86=92=206.0.0?=
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---
 pkgs/development/ocaml-modules/cstruct/default.nix | 10 ++++++---
 pkgs/development/ocaml-modules/cstruct/lwt.nix     |  2 +-
 pkgs/development/ocaml-modules/cstruct/ppx.nix     | 24 +++++++++++++++++++---
 pkgs/development/ocaml-modules/cstruct/sexp.nix    |  7 +++++--
 pkgs/top-level/ocaml-packages.nix                  |  2 +-
 5 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/pkgs/development/ocaml-modules/cstruct/default.nix b/pkgs/development/ocaml-modules/cstruct/default.nix
index acd5d83e4f1e..8b0c4ee9ebbc 100644
--- a/pkgs/development/ocaml-modules/cstruct/default.nix
+++ b/pkgs/development/ocaml-modules/cstruct/default.nix
@@ -1,8 +1,8 @@
-{ lib, fetchurl, buildDunePackage, bigarray-compat }:
+{ lib, fetchurl, buildDunePackage, bigarray-compat, alcotest, ocaml }:
 
 buildDunePackage rec {
   pname = "cstruct";
-  version = "5.0.0";
+  version = "6.0.0";
 
   useDune2 = true;
 
@@ -10,11 +10,15 @@ buildDunePackage rec {
 
   src = fetchurl {
     url = "https://github.com/mirage/ocaml-cstruct/releases/download/v${version}/cstruct-v${version}.tbz";
-    sha256 = "1z403q2nkgz5x07j0ypy6q0mk2yxgqbp1jlqkngbajna7124x2pb";
+    sha256 = "0xi6cj85z033fqrqdkwac6gg07629vzdhx03c3lhiwwc4lpnv8bq";
   };
 
   propagatedBuildInputs = [ bigarray-compat ];
 
+  # alcotest isn't available for OCaml < 4.05 due to fmt
+  doCheck = lib.versionAtLeast ocaml.version "4.05";
+  checkInputs = [ alcotest ];
+
   meta = {
     description = "Access C-like structures directly from OCaml";
     license = lib.licenses.isc;
diff --git a/pkgs/development/ocaml-modules/cstruct/lwt.nix b/pkgs/development/ocaml-modules/cstruct/lwt.nix
index 113df1e89b5c..df8941d1260d 100644
--- a/pkgs/development/ocaml-modules/cstruct/lwt.nix
+++ b/pkgs/development/ocaml-modules/cstruct/lwt.nix
@@ -8,7 +8,7 @@ buildDunePackage {
   pname = "cstruct-lwt";
   inherit (cstruct) version src useDune2 meta;
 
-  minimumOCamlVersion = "4.02";
+  minimumOCamlVersion = "4.03";
 
   propagatedBuildInputs = [ cstruct lwt ];
 }
diff --git a/pkgs/development/ocaml-modules/cstruct/ppx.nix b/pkgs/development/ocaml-modules/cstruct/ppx.nix
index 44343812090d..aa003295e908 100644
--- a/pkgs/development/ocaml-modules/cstruct/ppx.nix
+++ b/pkgs/development/ocaml-modules/cstruct/ppx.nix
@@ -1,4 +1,7 @@
-{ lib, buildDunePackage, cstruct, sexplib, ppx_tools_versioned, ppxlib }:
+{ lib, buildDunePackage, cstruct, sexplib, ppxlib, stdlib-shims
+, ounit, cppo, ppx_sexp_conv, cstruct-unix, cstruct-sexp
+, fetchpatch
+}:
 
 if !lib.versionAtLeast (cstruct.version or "1") "3"
 then cstruct
@@ -8,7 +11,22 @@ buildDunePackage {
   pname = "ppx_cstruct";
   inherit (cstruct) version src useDune2 meta;
 
-  minimumOCamlVersion = "4.03";
+  minimumOCamlVersion = "4.07";
 
-  propagatedBuildInputs = [ cstruct ppx_tools_versioned ppxlib sexplib ];
+  # prevent ANSI escape sequences from messing up the test cases
+  # https://github.com/mirage/ocaml-cstruct/issues/283
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/mirage/ocaml-cstruct/pull/285/commits/60dfed98b4c34455bf339ac60e2ed5ef05feb48f.patch";
+      sha256 = "1x9i62nrlfy9l44vb0a7qjfrg2wyki4c8nmmqnzwpcbkgxi3q6n5";
+    })
+  ];
+
+  propagatedBuildInputs = [ cstruct ppxlib sexplib stdlib-shims ];
+
+  # disable until ppx_sexp_conv uses ppxlib 0.20.0 (or >= 0.16.0)
+  # since the propagation of the older ppxlib breaks the ppx_cstruct
+  # build.
+  doCheck = false;
+  checkInputs = [ ounit cppo ppx_sexp_conv cstruct-sexp cstruct-unix ];
 }
diff --git a/pkgs/development/ocaml-modules/cstruct/sexp.nix b/pkgs/development/ocaml-modules/cstruct/sexp.nix
index 742cb6522ebf..b04810e48038 100644
--- a/pkgs/development/ocaml-modules/cstruct/sexp.nix
+++ b/pkgs/development/ocaml-modules/cstruct/sexp.nix
@@ -8,8 +8,11 @@ buildDunePackage rec {
   pname = "cstruct-sexp";
   inherit (cstruct) version src useDune2 meta;
 
-  doCheck = lib.versionAtLeast ocaml.version "4.03";
-  checkInputs = lib.optional doCheck alcotest;
+  minimumOCamlVersion = "4.03";
+
+  # alcotest is only available on OCaml >= 4.05 due to fmt
+  doCheck = lib.versionAtLeast ocaml.version "4.05";
+  checkInputs = [ alcotest ];
 
   propagatedBuildInputs = [ cstruct sexplib ];
 }
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index f7c57305992e..4e78891b5e25 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -975,7 +975,7 @@ let
 
     ppx_blob = callPackage ../development/ocaml-modules/ppx_blob { };
 
-    ppx_cstruct = callPackage ../development/ocaml-modules/cstruct/ppx.nix {};
+    ppx_cstruct = callPackage ../development/ocaml-modules/cstruct/ppx.nix { };
 
     ppx_derivers = callPackage ../development/ocaml-modules/ppx_derivers {};
 
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