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-rw-r--r--nixpkgs/pkgs/development/coq-modules/tlc/default.nix14
1 files changed, 10 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/coq-modules/tlc/default.nix b/nixpkgs/pkgs/development/coq-modules/tlc/default.nix
index 6bbad1c6c2b1..1e212b44e725 100644
--- a/nixpkgs/pkgs/development/coq-modules/tlc/default.nix
+++ b/nixpkgs/pkgs/development/coq-modules/tlc/default.nix
@@ -1,23 +1,29 @@
 { lib, mkCoqDerivation, coq, version ? null }:
 
-with lib; mkCoqDerivation {
+with lib; (mkCoqDerivation {
   pname = "tlc";
   owner = "charguer";
   inherit version;
   displayVersion = { tlc = false; };
   defaultVersion = with versions; switch coq.coq-version [
+    { case = range "8.12" "8.13"; out = "20210316"; }
     { case = range "8.10" "8.12"; out = "20200328"; }
     { case = range "8.6"  "8.12"; out = "20181116"; }
   ] null;
+  release."20210316".sha256 = "1hlavnx20lxpf2iydbbxqmim9p8wdwv4phzp9ypij93yivih0g4a";
   release."20200328".sha256 = "16vzild9gni8zhgb3qhmka47f8zagdh03k6nssif7drpim8233lx";
   release."20181116".sha256 = "032lrbkxqm9d3fhf6nv1kq2z0mqd3czv3ijlbsjwnfh12xck4vpl";
 
-  installFlags = [ "CONTRIB=$(out)/lib/coq/${coq.coq-version}/user-contrib" ];
-
   meta = {
     homepage = "http://www.chargueraud.org/softs/tlc/";
     description = "A non-constructive library for Coq";
     license = licenses.free;
     maintainers = [ maintainers.vbgl ];
   };
-}
+}).overrideAttrs (x:
+  if versionAtLeast x.version "20210316"
+  then {}
+  else {
+    installFlags = [ "CONTRIB=$(out)/lib/coq/${coq.coq-version}/user-contrib" ];
+  }
+)