From 074c9cbe1cd42301c142401e0604d520bf3dae9f Mon Sep 17 00:00:00 2001
From: wchresta <34962284+wchresta@users.noreply.github.com>
Date: Fri, 22 May 2020 21:45:46 -0400
Subject: [PATCH] idris2: init at version 0.2.0-840e020

A purely functional programming language with first class types
---
 pkgs/development/compilers/idris2/default.nix | 45 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 2 files changed, 47 insertions(+)
 create mode 100644 pkgs/development/compilers/idris2/default.nix

diff --git a/pkgs/development/compilers/idris2/default.nix b/pkgs/development/compilers/idris2/default.nix
new file mode 100644
index 00000000000..858da311011
--- /dev/null
+++ b/pkgs/development/compilers/idris2/default.nix
@@ -0,0 +1,45 @@
+{ stdenv, fetchFromGitHub, makeWrapper
+, clang, chez
+}:
+
+# Uses scheme to bootstrap the build of idris2
+stdenv.mkDerivation {
+  name = "idris2";
+  version = "0.2.0-840e020";
+
+  src = fetchFromGitHub {
+    owner = "idris-lang";
+    repo = "Idris2";
+    rev = "840e020d8ccc332135e86f855ad78053ca15d603";
+    sha256 = "1l6pdjiglwd13pf56xwzbjzyyxgz48ypfggjgsgqk2w57rmbfy90";
+  };
+
+  strictDeps = true;
+  nativeBuildInputs = [ makeWrapper clang chez ];
+  buildInputs = [ chez ];
+
+  prePatch = ''
+    patchShebangs --build tests
+
+    # Do not run tests as part of the build process
+    substituteInPlace bootstrap.sh --replace "make test" "# make test"
+  '';
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  # The name of the main executable of pkgs.chez is `scheme`
+  buildFlags = [ "bootstrap" "SCHEME=scheme" ];
+
+  # idris2 needs to find scheme at runtime to compile
+  postInstall = ''
+    wrapProgram "$out/bin/idris2" --prefix PATH : "${chez}/bin"
+  '';
+
+  meta = {
+    description = "A purely functional programming language with first class types";
+    homepage = https://github.com/idris-lang/Idris2;
+    license = stdenv.lib.licenses.bsd3;
+    maintainers = with stdenv.lib.maintainers; [ wchresta ];
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bbe30905f76..17e6e915d88 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8705,6 +8705,8 @@ in
 
   idris = idrisPackages.with-packages [ idrisPackages.base ] ;
 
+  idris2 = callPackage ../development/compilers/idris2 { };
+
   intel-graphics-compiler = callPackage ../development/compilers/intel-graphics-compiler { };
 
   intercal = callPackage ../development/compilers/intercal { };