fail: init at 4.9.0.0

manifest.dhall

@@ -248,6 +248,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "exact-pi" "0.5.0.2"
     , callHackage "extra" "1.7.12"
     , callHackage "expiring-cache-map" "0.0.6.1"
+    , callHackage "fail" "4.9.0.0"
     , callHackage "fcf-containers" "0.7.1"
     , callHackage "file-embed" "0.0.15.0"
     , callHackage "filepattern" "0.1.3"

overlay.nix

@@ -309,6 +309,8 @@ self: with pkgs.haskell.lib; {
 
   extra = self.callPackage (./pkgs/extra.nix) { };
 
+  fail = self.callPackage (./pkgs/fail.nix) { };
+
   fcf-containers = self.callPackage (./pkgs/fcf-containers.nix) { };
 
   file-embed = self.callPackage (./pkgs/file-embed.nix) { };

pkgs/fail.nix

+{ mkDerivation, lib }:
+mkDerivation {
+  pname = "fail";
+  version = "4.9.0.0";
+  sha256 = "6d5cdb1a5c539425a9665f740e364722e1d9d6ae37fbc55f30fe3dbbbb91d4a2";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://prime.haskell.org/wiki/Libraries/Proposals/MonadFail";
+  description = "Forward-compatible MonadFail class";
+  license = lib.licenses.bsd3;
+  broken = false;
+}