push sheeet

pkgs/development/coq-modules/stdlib/default.nix

@@ -0,0 +1,54 @@
+{
+  coq,
+  mkCoqDerivation,
+  lib,
+  version ? null,
+}:
+
+let
+  derivation = mkCoqDerivation {
+
+    pname = "stdlib";
+    repo = "stdlib";
+    owner = "coq";
+    opam-name = "coq-stdlib";
+
+    inherit version;
+    defaultVersion =
+      let
+        case = case: out: { inherit case out; };
+      in
+      with lib.versions;
+      lib.switch coq.coq-version [
+        (case (isLe "9.1") "9.0.0")
+        # the < 9.0 above is artificial as stdlib was included in Coq before
+      ] null;
+    releaseRev = v: "V${v}";
+
+    release."9.0.0".sha256 = "sha256-2l7ak5Q/NbiNvUzIVXOniEneDXouBMNSSVFbD1Pf8cQ=";
+
+    configurePhase = ''
+      echo no configuration
+    '';
+    buildPhase = ''
+      echo building nothing
+    '';
+    installPhase = ''
+      echo installing nothing
+      touch $out
+    '';
+
+    meta = {
+      description = "Compatibility metapackage for Coq Stdlib library after the Rocq renaming";
+      license = lib.licenses.lgpl21Only;
+    };
+  };
+in
+# this is just a wrapper for rocqPackages.stdlib for Rocq >= 9.0
+if coq.rocqPackages ? stdlib then
+  coq.rocqPackages.stdlib.override {
+    inherit version;
+    inherit (coq.rocqPackages) rocq-core;
+  }
+else
+  derivation