From e7d5862f4e12b0c6c093a257a25add014f98bb4c Mon Sep 17 00:00:00 2001
From: Ben Siraphob <bensiraphob@gmail.com>
Date: Sat, 8 May 2021 23:55:56 +0700
Subject: [PATCH] coqPackages.hydra-battles: init at 0.3

---
 .../coq-modules/hydra-battles/default.nix     | 29 +++++++++++++++++++
 pkgs/top-level/coq-packages.nix               |  1 +
 2 files changed, 30 insertions(+)
 create mode 100644 pkgs/development/coq-modules/hydra-battles/default.nix

diff --git a/pkgs/development/coq-modules/hydra-battles/default.nix b/pkgs/development/coq-modules/hydra-battles/default.nix
new file mode 100644
index 000000000000..a74eec4b64fc
--- /dev/null
+++ b/pkgs/development/coq-modules/hydra-battles/default.nix
@@ -0,0 +1,29 @@
+{ lib, mkCoqDerivation, coq, mathcomp, equations, paramcoq, version ? null }:
+with lib;
+
+mkCoqDerivation {
+  pname = "hydra-battles";
+  owner = "coq-community";
+
+  release."0.3".rev    = "v0.3";
+  release."0.3".sha256 = "sha256-rXP/vJqVEg2tN/I9LWV13YQ1+C7M6lzGu3oI+7pSZzg=";
+
+  inherit version;
+  defaultVersion = with versions; switch coq.coq-version [
+    { case = isGe "8.11"; out = "0.3"; }
+  ] null;
+
+  propagatedBuildInputs = [ mathcomp equations paramcoq ];
+
+  meta = {
+    description = "Variations on Kirby & Paris' hydra battles and other entertaining math in Coq";
+    longDescription = ''
+       Variations on Kirby & Paris' hydra battles and other
+       entertaining math in Coq (collaborative, documented, includes
+       exercises)
+    '';
+    maintainers = with maintainers; [ siraben ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 6da0598c6ace..2a6c9d42377b 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -39,6 +39,7 @@ let
       heq = callPackage ../development/coq-modules/heq {};
       hierarchy-builder = callPackage ../development/coq-modules/hierarchy-builder {};
       HoTT = callPackage ../development/coq-modules/HoTT {};
+      hydra-battles = callPackage ../development/coq-modules/hydra-battles {};
       interval = callPackage ../development/coq-modules/interval {};
       InfSeqExt = callPackage ../development/coq-modules/InfSeqExt {};
       iris = callPackage ../development/coq-modules/iris {};