pkgs: add digestpp

pkgs/default.nix

@@ -10,6 +10,8 @@ pkgs.lib.makeScope pkgs.newScope (pkgs: {
 
   diff-flake = pkgs.callPackage ./diff-flake { };
 
+  digestpp = pkgs.callPackage ./digestpp { };
+
   dragger = pkgs.callPackage ./dragger { };
 
   drone-rsync = pkgs.callPackage ./drone-rsync { };

pkgs/digestpp/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, fetchFromGitHub
+, stdenv
+}:
+stdenv.mkDerivation {
+  pname = "digestpp";
+  version = "0-unstable-2023-11-07";
+
+  src = fetchFromGitHub {
+    owner = "kerukuro";
+    repo = "digestpp";
+    rev = "ebb699402c244e22c3aff61d2239bcb2e87b8ef8";
+    hash = "sha256-9X/P7DgZB6bSYjQWRli4iAXEFjhmACOVv3EYQrXuH5c=";
+  };
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/include/digestpp
+    cp -r *.hpp algorithm/ detail/ $out/include/digestpp
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "C++11 header-only message digest library";
+    homepage = "https://github.com/kerukuro/digestpp";
+    license = licenses.unlicense;
+    maintainers = with maintainers; [ ambroisie ];
+  };
+}