From 28b02ff09c5be062437c2c792de85cfc57c4df4a Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 14 Feb 2022 07:04:23 +0100
Subject: [PATCH] ocamlformat: build versions [0.17.0; 0.19.0[ with OCaml 4.12

---
 pkgs/development/tools/ocaml/ocamlformat/generic.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/ocaml/ocamlformat/generic.nix b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
index 7cd3196317fa..517ca6585fe1 100644
--- a/pkgs/development/tools/ocaml/ocamlformat/generic.nix
+++ b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
@@ -28,8 +28,10 @@ let src =
     }."${version}";
   };
   ocamlPackages =
-  if lib.versionAtLeast version "0.17.0"
+  if lib.versionAtLeast version "0.19.0"
   then ocaml-ng.ocamlPackages
+  else if lib.versionAtLeast version "0.17.0"
+  then ocaml-ng.ocamlPackages_4_12
   else if lib.versionAtLeast version "0.14.3"
   then ocaml-ng.ocamlPackages_4_10
   else ocaml-ng.ocamlPackages_4_07