From 44745d496c661620eb6b0f04ba4295ec5f328c85 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Tue, 19 Oct 2021 21:52:23 +0200
Subject: [PATCH] coqPackages.extructures: init at 0.3.0

---
 .../coq-modules/extructures/default.nix       | 33 +++++++++++++++++++
 pkgs/top-level/coq-packages.nix               |  1 +
 2 files changed, 34 insertions(+)
 create mode 100644 pkgs/development/coq-modules/extructures/default.nix

diff --git a/pkgs/development/coq-modules/extructures/default.nix b/pkgs/development/coq-modules/extructures/default.nix
new file mode 100644
index 000000000000..c34fa76f6e05
--- /dev/null
+++ b/pkgs/development/coq-modules/extructures/default.nix
@@ -0,0 +1,33 @@
+{ lib, mkCoqDerivation, coq, version ? null
+, ssreflect
+, deriving
+}:
+with lib;
+
+(mkCoqDerivation {
+  pname = "extructures";
+  owner = "arthuraa";
+
+  inherit version;
+  defaultVersion = with versions; switch coq.coq-version [
+    { case = range "8.11" "8.14"; out = "0.3.0"; }
+    { case = range "8.10" "8.12"; out = "0.2.2"; }
+  ] null;
+
+  releaseRev = v: "v${v}";
+
+  release."0.3.0".sha256 = "sha256:14rm0726f1732ldds495qavg26gsn30w6dfdn36xb12g5kzavp38";
+  release."0.2.2".sha256 = "sha256:1clzza73gccy6p6l95n6gs0adkqd3h4wgl4qg5l0qm4q140grvm7";
+
+  propagatedBuildInputs = [ ssreflect ];
+
+  meta = {
+    description = "Finite data structures with extensional reasoning";
+    license = licenses.mit;
+    maintainers = [ maintainers.vbgl ];
+  };
+
+}).overrideAttrs (o: {
+  propagatedBuildInputs = o.propagatedBuildInputs
+  ++ optional (versionAtLeast o.version "0.3.0") deriving;
+})
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 057a20ad44bd..5feb98a17047 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -40,6 +40,7 @@ let
       deriving = callPackage ../development/coq-modules/deriving {};
       dpdgraph = callPackage ../development/coq-modules/dpdgraph {};
       equations = callPackage ../development/coq-modules/equations { };
+      extructures = callPackage ../development/coq-modules/extructures { };
       fiat_HEAD = callPackage ../development/coq-modules/fiat/HEAD.nix {};
       flocq = callPackage ../development/coq-modules/flocq {};
       fourcolor = callPackage ../development/coq-modules/fourcolor {};