From 83891d702c23085f35b15c93de8bb36453c12a17 Mon Sep 17 00:00:00 2001
From: dfjay <mail@dfjay.com>
Date: Wed, 1 Jul 2026 00:46:02 +0500
Subject: [PATCH 1/3] jan: add update script

Assisted-by: Claude Code (Claude Opus 4.8)
---
 pkgs/by-name/ja/jan/package.nix |  5 ++++-
 pkgs/by-name/ja/jan/update.sh   | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100755 pkgs/by-name/ja/jan/update.sh

diff --git a/pkgs/by-name/ja/jan/package.nix b/pkgs/by-name/ja/jan/package.nix
index 80c0c89f5688..932c973d6547 100644
--- a/pkgs/by-name/ja/jan/package.nix
+++ b/pkgs/by-name/ja/jan/package.nix
@@ -29,6 +29,8 @@ let
     src = linux-src;
   };
 
+  passthru.updateScript = ./update.sh;
+
   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";
@@ -56,13 +58,14 @@ let
         cudaPackages.cudatoolkit
       ];
 
-    inherit meta;
+    inherit passthru meta;
   };
 
   darwin = stdenv.mkDerivation {
     inherit
       pname
       version
+      passthru
       meta
       ;
 
diff --git a/pkgs/by-name/ja/jan/update.sh b/pkgs/by-name/ja/jan/update.sh
new file mode 100755
index 000000000000..453ad670202c
--- /dev/null
+++ b/pkgs/by-name/ja/jan/update.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash nixVersions.latest curl coreutils jq common-updater-scripts
+
+set -euo pipefail
+
+latestTag=$(curl ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} -sL https://api.github.com/repos/janhq/jan/releases/latest | jq -r ".tag_name")
+latestVersion="${latestTag#v}"
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; jan.version" | tr -d '"')
+
+echo "latest  version: $latestVersion"
+echo "current version: $currentVersion"
+
+if [[ "$latestVersion" == "$currentVersion" ]]; then
+    echo "package is up-to-date"
+    exit 0
+fi
+
+linuxUrl="https://github.com/janhq/jan/releases/download/v$latestVersion/Jan_${latestVersion}_amd64.AppImage"
+linuxHash=$(nix --extra-experimental-features nix-command hash convert --hash-algo sha256 --to sri "$(nix-prefetch-url "$linuxUrl")")
+update-source-version jan "$latestVersion" "$linuxHash" --system=x86_64-linux --ignore-same-version
+
+darwinUrl="https://github.com/janhq/jan/releases/download/v$latestVersion/jan-mac-universal-${latestVersion}.zip"
+darwinHash=$(nix --extra-experimental-features nix-command hash convert --hash-algo sha256 --to sri "$(nix-prefetch-url --unpack "$darwinUrl")")
+update-source-version jan "$latestVersion" "$darwinHash" --system=aarch64-darwin --ignore-same-version

From a8b1a80a6af6a775db6e00423749b510904040d1 Mon Sep 17 00:00:00 2001
From: dfjay <mail@dfjay.com>
Date: Wed, 1 Jul 2026 00:46:04 +0500
Subject: [PATCH 2/3] jan: refactor

Assisted-by: Claude Code (Claude Opus 4.8)
---
 pkgs/by-name/ja/jan/package.nix | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/pkgs/by-name/ja/jan/package.nix b/pkgs/by-name/ja/jan/package.nix
index 932c973d6547..ac966ff0ab6c 100644
--- a/pkgs/by-name/ja/jan/package.nix
+++ b/pkgs/by-name/ja/jan/package.nix
@@ -33,9 +33,10 @@ let
 
   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";
+    description = "Open source alternative to ChatGPT that runs 100% offline on your computer";
     homepage = "https://github.com/janhq/jan";
     license = lib.licenses.asl20;
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     mainProgram = "Jan";
     maintainers = with lib.maintainers; [ dfjay ];
     platforms =
@@ -62,22 +63,16 @@ let
   };
 
   darwin = stdenv.mkDerivation {
-    inherit
-      pname
-      version
-      passthru
-      meta
-      ;
+    inherit pname version;
 
     src = darwin-src;
 
-    dontUnpack = true;
-
-    sourceRoot = "${pname}.app";
     nativeBuildInputs = [
       makeWrapper
     ];
 
+    dontUnpack = true;
+
     installPhase = ''
       runHook preInstall
 
@@ -90,6 +85,8 @@ let
 
       runHook postInstall
     '';
+
+    inherit passthru meta;
   };
 in
 if stdenv.hostPlatform.isDarwin then darwin else linux

From 823c46ee6fd319b71d953d8d466bf19cfdc34fbf Mon Sep 17 00:00:00 2001
From: dfjay <mail@dfjay.com>
Date: Wed, 1 Jul 2026 00:46:06 +0500
Subject: [PATCH 3/3] jan: 0.8.2 -> 0.8.3

Assisted-by: Claude Code (Claude Opus 4.8)
---
 pkgs/by-name/ja/jan/package.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/ja/jan/package.nix b/pkgs/by-name/ja/jan/package.nix
index ac966ff0ab6c..9babfa1c0049 100644
--- a/pkgs/by-name/ja/jan/package.nix
+++ b/pkgs/by-name/ja/jan/package.nix
@@ -12,16 +12,16 @@
 
 let
   pname = "Jan";
-  version = "0.8.2";
+  version = "0.8.3";
 
   darwin-src = fetchzip {
     url = "https://github.com/janhq/jan/releases/download/v${version}/jan-mac-universal-${version}.zip";
-    hash = "sha256-DUyPMsy9POcxY5OyQu1IBAijTbUZACQB87j0CQDrw8A=";
+    hash = "sha256-h2v71DzXez/+wlEp8IMVBk33LlXPhNPJ1UPNLYPShoE=";
   };
 
   linux-src = fetchurl {
-    url = "https://github.com/janhq/jan/releases/download/v${version}/jan_${version}_amd64.AppImage";
-    hash = "sha256-OWg8P4g2g+LVJU+SnjajG2cqWnzl5X2fjqTGkIC3kAY=";
+    url = "https://github.com/janhq/jan/releases/download/v${version}/Jan_${version}_amd64.AppImage";
+    hash = "sha256-vEmioWQ4ic/FrtNFMKaLOcEy2BTRdouPc4PYWk90ZBI=";
   };
 
   appimageContents = appimageTools.extractType2 {