From c37e00067dce3ce4e7526f7476e92af9bc706732 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Wed, 22 May 2019 09:42:06 +0000
Subject: coqPackages.ltac2: init at 0.1

---
 pkgs/development/coq-modules/ltac2/default.nix | 49 ++++++++++++++++++++++++++
 pkgs/top-level/coq-packages.nix                |  1 +
 2 files changed, 50 insertions(+)
 create mode 100644 pkgs/development/coq-modules/ltac2/default.nix

diff --git a/pkgs/development/coq-modules/ltac2/default.nix b/pkgs/development/coq-modules/ltac2/default.nix
new file mode 100644
index 00000000000..30917fcb78f
--- /dev/null
+++ b/pkgs/development/coq-modules/ltac2/default.nix
@@ -0,0 +1,49 @@
+{ stdenv, fetchFromGitHub, which, coq }:
+
+let params = {
+  "8.7" = {
+    version = "0.1";
+    rev = "v0.1-8.7";
+    sha256 = "0l6wiwi4cvd0i324fb29i9mdh0ijlxzggw4mrjjy695l2qdnlgg0";
+  };
+  "8.8" = {
+    version = "0.1";
+    rev = "0.1";
+    sha256 = "1zz26cyv99whj7rrpgnhhm9dfqnpmrx5pqizn8ihf8jkq8d4drz7";
+  };
+  "8.9" = {
+    version = "0.1";
+    rev = "a69551a49543b22a7d4e6a2484356b56bd05068e";
+    sha256 = "0xby1kb26r9gcvk5511wqj05fqm9paynwfxlfqkmwkgnfmzk0x73";
+  };
+};
+  param = params."${coq.coq-version}";
+in
+
+stdenv.mkDerivation rec {
+  inherit (param) version;
+  name = "coq${coq.coq-version}-ltac2-${version}";
+
+  src = fetchFromGitHub {
+    owner = "coq";
+    repo = "ltac2";
+    inherit (param) rev sha256;
+  };
+
+  nativeBuildInputs = [ which ];
+  buildInputs = [ coq ] ++ (with coq.ocamlPackages; [ ocaml findlib camlp5 ]);
+
+  installFlags = "COQLIB=$(out)/lib/coq/${coq.coq-version}/";
+
+  meta = {
+    description = "A robust and expressive tactic language for Coq";
+    maintainers = [ stdenv.lib.maintainers.vbgl ];
+    license = stdenv.lib.licenses.lgpl21;
+    inherit (coq.meta) platforms;
+    inherit (src.meta) homepage;
+  };
+
+  passthru = {
+    compatibleCoqVersions = stdenv.lib.flip builtins.hasAttr params;
+  };
+}
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index a6fa43df92f..21ce3a91cfd 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -33,6 +33,7 @@ let
       interval = callPackage ../development/coq-modules/interval {};
       InfSeqExt = callPackage ../development/coq-modules/InfSeqExt {};
       iris = callPackage ../development/coq-modules/iris {};
+      ltac2 = callPackage ../development/coq-modules/ltac2 {};
       math-classes = callPackage ../development/coq-modules/math-classes { };
       inherit (callPackage ../development/coq-modules/mathcomp { })
         mathcompGen mathcompGenSingle mathcompCorePkgs_1_7 mathcompCorePkgs_1_8 mathcompCorePkgs
-- 
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