diff --git a/nix/sources.json b/nix/sources.json

index 3b07fd9a4e2dc818846df531be81a6e4e69b06d8..edabe01c9bec44989d8c2f5b40c530ed2706f751 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -456,6 +456,20 @@ "type": "tarball",

     "url": "https://github.com/sgillies/jsonseq/archive/d9a9c86c6c05abca1ed2bdbff248eb3cd9f214fd.tar.gz",

     "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

 },

• "klogg": {

•    "branch": "master",
  

•    "builtin": false,
  

•    "date": "2020-10-23T10:09:03Z",
  

•    "description": "A fast, advanced log explorer based on glogg project",
  

•    "homepage": "https://github.com/variar/klogg",
  

•    "owner": "variar",
  

•    "repo": "klogg",
  

•    "rev": "49f67f908ed5d0a076912cb48673f4ddb6c890d2",
  

•    "sha256": "0qj4n02jpxgl9d0nz4w6cim035x4blk68lxi3nw00d8xczw39nmf",
  

•    "type": "tarball",
  

•    "url": "https://github.com/variar/klogg/archive/49f67f908ed5d0a076912cb48673f4ddb6c890d2.tar.gz",
  

•    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
  

• },

 "libshell": {

     "branch": "master",

     "builtin": false,

diff --git a/pkgs/applications/misc/klogg/default.nix b/pkgs/applications/misc/klogg/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..31b2fe2f9675f72c410f9f96d0c4e0bf86ab822b

--- /dev/null

+++ b/pkgs/applications/misc/klogg/default.nix

@@ -0,0 +1,27 @@

+{ stdenv, lib, mkDerivation, cmake, ninja, sources }:

+let

• pname = "klogg";

• date = lib.substring 0 10 sources.klogg.date;

• version = "unstable-" + date;

+in

+mkDerivation {

• inherit pname version;

• src = sources.klogg;

• nativeBuildInputs = [ cmake ninja ];

• enableParallelBuilding = true;

• postPatch = lib.optionalString stdenv.isLinux ''

• patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \

•  --set-rpath "$out/lib:${lib.makeLibraryPath [ stdenv.cc.cc.lib ]}" \
  

•  3rdparty/sentry/dump_syms/linux/dump_syms
  

• '';

• meta = with lib; {

• inherit (sources.klogg) description homepage;

• license = licenses.gpl3Plus;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.unix;

• };

+}

diff --git a/pkgs/default.nix b/pkgs/default.nix

index 0e4cc89c691459d6eb2833f9742c904915f63f02..4fc94989cdec10289d4549fa0e510292924a5eea 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -21,6 +21,9 @@ };

 gpxsee-bin = callPackage ./applications/gpxsee/bin.nix { };

 i18n-editor = callPackage ./applications/i18n-editor { jre = pkgs.jdk11; };

 iterm2-bin = callPackage ./applications/iterm2/bin.nix { };

• klogg = libsForQt5.callPackage ./applications/misc/klogg {

•  inherit sources;
  

• };

 librewolf = callPackage ./applications/networking/librewolf { };

 macpass-bin = callPackage ./applications/macpass/bin.nix { };

 mapsoft = callPackage ./applications/gis/mapsoft { };