Merge pull request #287000 from drupol/init/jan-0-4-6

jan: init at 0.4.6

pkgs/by-name/ja/jan/package.nix

@@ -0,0 +1,36 @@
+{ lib
+, appimageTools
+, fetchurl
+}:
+
+let
+  pname = "jan";
+  version = "0.4.6";
+  src = fetchurl {
+    url = "https://github.com/janhq/jan/releases/download/v${version}/jan-linux-x86_64-${version}.AppImage";
+    hash = "sha256-/FYaFyp028CeEFfrxNnj67/z7FoOwU0wC2V56mACD5Q=";
+  };
+
+  appimageContents = appimageTools.extractType2 { inherit pname version src; };
+in
+appimageTools.wrapType2 {
+  inherit pname version src;
+
+  extraInstallCommands = ''
+    mv $out/bin/jan-${version} $out/bin/jan
+    install -Dm444 ${appimageContents}/jan.desktop -t $out/share/applications
+    substituteInPlace $out/share/applications/jan.desktop \
+      --replace 'Exec=AppRun --no-sandbox %U' 'Exec=jan'
+    cp -r ${appimageContents}/usr/share/icons $out/share
+  '';
+
+  meta = {
+    changelog = "https://github.com/janhq/jan/releases/tag/v${version}";
+    description = "Jan is an open source alternative to ChatGPT that runs 100% offline on your computer";
+    homepage = "https://github.com/janhq/jan";
+    license = lib.licenses.agpl3Plus;
+    mainProgram = "jan";
+    maintainers = with lib.maintainers; [ drupol ];
+    platforms = lib.platforms.linux;
+  };
+}